{"product_id":"unitree-battery-fast-charger-for-a2-series","title":"Unitree Battery FAST Charger for A2 series","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003cmeta name=\"description\" content=\"Unitree Fast Charger for A2, A2-W \u0026amp; As2-W: 50.4V 7.4A 373W output, 100-240V universal input, 1.5h standard \/ 2.5h long-life battery charge time.\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"max-width: 960px; margin: 0 auto; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; line-height: 1.7; color: #1a1a1a;\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 56px; padding: 48px 24px; background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); border-radius: 20px; color: #fff;\"\u003e\n\u003cdiv style=\"display: inline-block; background: rgba(255,255,255,0.1); backdrop-filter: blur(10px); padding: 6px 16px; border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: 0.8px; text-transform: uppercase; margin-bottom: 20px; color: #38bdf8;\"\u003eUnitree Robotics — Official Accessory\u003c\/div\u003e\n\u003ch1 style=\"font-size: 36px; font-weight: 800; letter-spacing: -0.8px; margin-bottom: 16px; color: #fff;\"\u003eUnitree Fast Charger\u003c\/h1\u003e\n\u003cp style=\"font-size: 18px; color: #94a3b8; max-width: 720px; margin: 0 auto; line-height: 1.6;\"\u003eOfficial Fast Battery Charger for \u003cstrong\u003eUnitree A2\u003c\/strong\u003e, \u003cstrong\u003eA2-W\u003c\/strong\u003e \u0026amp; \u003cstrong\u003eAs2-W\u003c\/strong\u003e Quadruped Robots. 50.4 V \/ 7.4 A \/ 373 W output, 100–240 V universal AC input, 1.5-hour standard battery charge, 2.5-hour long-life battery charge. High-power, compact, and built with Unitree's multi-layer safety protection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- KEY SPECS --\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px; margin-bottom: 56px;\"\u003e\n\u003cdiv style=\"background: linear-gradient(145deg, #f8fafc, #f1f5f9); border-radius: 16px; padding: 28px 16px; text-align: center; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-size: 32px; font-weight: 800; color: #0ea5e9;\"\u003e50.4V\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #64748b; margin-top: 6px; text-transform: uppercase; letter-spacing: 0.8px; font-weight: 600;\"\u003eOutput Voltage\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: linear-gradient(145deg, #f8fafc, #f1f5f9); border-radius: 16px; padding: 28px 16px; text-align: center; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-size: 32px; font-weight: 800; color: #0ea5e9;\"\u003e7.4A\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #64748b; margin-top: 6px; text-transform: uppercase; letter-spacing: 0.8px; font-weight: 600;\"\u003eOutput Current\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: linear-gradient(145deg, #f8fafc, #f1f5f9); border-radius: 16px; padding: 28px 16px; text-align: center; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-size: 32px; font-weight: 800; color: #0ea5e9;\"\u003e373W\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #64748b; margin-top: 6px; text-transform: uppercase; letter-spacing: 0.8px; font-weight: 600;\"\u003eOutput Power\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: linear-gradient(145deg, #f8fafc, #f1f5f9); border-radius: 16px; padding: 28px 16px; text-align: center; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-size: 32px; font-weight: 800; color: #0ea5e9;\"\u003e1.5h\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #64748b; margin-top: 6px; text-transform: uppercase; letter-spacing: 0.8px; font-weight: 600;\"\u003eStandard Charge\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: linear-gradient(145deg, #f8fafc, #f1f5f9); border-radius: 16px; padding: 28px 16px; text-align: center; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-size: 32px; font-weight: 800; color: #0ea5e9;\"\u003e100-240V\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #64748b; margin-top: 6px; text-transform: uppercase; letter-spacing: 0.8px; font-weight: 600;\"\u003eUniversal Input\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FEATURE: WHAT'S INCLUDED --\u003e\n\u003ch2 style=\"font-size: 24px; font-weight: bold; margin-top: 56px; margin-bottom: 16px; color: #0f172a; display: flex; align-items: center; gap: 10px;\"\u003e\n\u003cspan style=\"display: inline-block; width: 6px; height: 28px; background: #0ea5e9; border-radius: 3px;\"\u003e\u003c\/span\u003e Product Overview\u003c\/h2\u003e\n\u003cp style=\"color: #475569; margin-bottom: 28px; font-size: 16px;\"\u003eThe \u003cstrong\u003eUnitree Fast Charger\u003c\/strong\u003e is the official high-power power adapter designed specifically for \u003cstrong\u003eUnitree A2\u003c\/strong\u003e, \u003cstrong\u003eA2-W\u003c\/strong\u003e, and \u003cstrong\u003eAs2-W\u003c\/strong\u003e quadruped robot batteries. Delivering a stable \u003cstrong\u003e50.4 V DC output at 7.4 A\u003c\/strong\u003e (373 W total power), it provides \u003cstrong\u003e85% faster charging\u003c\/strong\u003e compared to the Standard Charger — getting your robot back into action in a fraction of the time. The charger accepts a wide \u003cstrong\u003e100–240 V AC input at 50\/60 Hz\u003c\/strong\u003e, making it suitable for use worldwide with the appropriate regional power cable. Its compact form factor — \u003cstrong\u003e190 × 11 × 45.2 mm\u003c\/strong\u003e — makes it easy to transport and store alongside your robot. The Fast Charger fully recharges a \u003cstrong\u003estandard battery in approximately 1.5 hours\u003c\/strong\u003e and a \u003cstrong\u003elong-life battery in approximately 2.5 hours\u003c\/strong\u003e — ideal for rapid turnaround between missions, competitive events, and high-intensity deployment schedules. Built with Unitree's multi-layer safety protection system, it safeguards against overcharge, short circuit, over-temperature, and over-current conditions.\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-bottom: 48px;\"\u003e\n\u003cdiv style=\"background: #f8fafc; border-radius: 12px; padding: 24px; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #0f172a; margin-bottom: 8px; font-size: 15px;\"\u003e✓ Official Unitree Accessory\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #64748b;\"\u003eGenuine Unitree charger designed and tested specifically for A2, A2-W, and As2-W robot batteries. Ensures optimal charging performance and battery longevity.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border-radius: 12px; padding: 24px; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #0f172a; margin-bottom: 8px; font-size: 15px;\"\u003e✓ Universal AC Input\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #64748b;\"\u003eWide input range \u003cstrong\u003e100–240 V~ 50\/60 Hz\u003c\/strong\u003e with 6.0 A max input current. Compatible with power outlets worldwide — just use the appropriate regional AC cable.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border-radius: 12px; padding: 24px; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #0f172a; margin-bottom: 8px; font-size: 15px;\"\u003e✓ High-Power DC Output\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #64748b;\"\u003eRegulated \u003cstrong\u003e50.4 V DC at 7.4 A\u003c\/strong\u003e output delivers \u003cstrong\u003e373 W\u003c\/strong\u003e of continuous charging power. \u003cstrong\u003e85% more power\u003c\/strong\u003e than the Standard Charger for dramatically faster charge times.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border-radius: 12px; padding: 24px; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #0f172a; margin-bottom: 8px; font-size: 15px;\"\u003e✓ Multi-Layer Safety Protection\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #64748b;\"\u003eBuilt-in safeguards against overcharge, short circuit, excessive temperature, over-current, and over-voltage. Automatic shutoff when the battery reaches full charge.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border-radius: 12px; padding: 24px; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #0f172a; margin-bottom: 8px; font-size: 15px;\"\u003e✓ Interchangeable Compatibility\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #64748b;\"\u003eThe A2, A2-W and As2-W batteries are \u003cstrong\u003einterchangeable\u003c\/strong\u003e — this single charger works with all three robot platforms. Simplify your charging infrastructure across multiple Unitree quadrupeds.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border-radius: 12px; padding: 24px; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #0f172a; margin-bottom: 8px; font-size: 15px;\"\u003e✓ Compact \u0026amp; Portable\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #64748b;\"\u003eDimensions of just \u003cstrong\u003e190 × 11 × 45.2 mm\u003c\/strong\u003e. Lightweight and easy to pack in equipment cases, robot transport bags, or field kits for on-location charging.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FEATURE 01: CHARGING TIMES --\u003e\n\u003ch2 style=\"font-size: 24px; font-weight: bold; margin-top: 56px; margin-bottom: 16px; color: #0f172a; display: flex; align-items: center; gap: 10px;\"\u003e\n\u003cspan style=\"display: inline-block; width: 6px; height: 28px; background: #0ea5e9; border-radius: 3px;\"\u003e\u003c\/span\u003e Charging Times — Fast vs. Standard Charger\u003c\/h2\u003e\n\u003cp style=\"color: #475569; margin-bottom: 28px; font-size: 16px;\"\u003eThe Unitree Fast Charger delivers \u003cstrong\u003e85% more power\u003c\/strong\u003e than the Standard Charger, cutting charge times dramatically. Compare the two configurations:\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 48px;\"\u003e\n\u003cdiv style=\"background: linear-gradient(145deg, #f8fafc, #f1f5f9); border-radius: 12px; padding: 24px; text-align: center; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-size: 36px; font-weight: 800; color: #0ea5e9;\"\u003e~1.5h\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #64748b; margin-top: 8px; font-weight: 600;\"\u003eStandard Battery\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; color: #94a3b8; margin-top: 4px;\"\u003eFast Charger (vs 2.5h standard)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: linear-gradient(145deg, #f8fafc, #f1f5f9); border-radius: 12px; padding: 24px; text-align: center; border: 1px solid #e2e8f0;\"\u003e\n\u003cdiv style=\"font-size: 36px; font-weight: 800; color: #0ea5e9;\"\u003e~2.5h\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #64748b; margin-top: 8px; font-weight: 600;\"\u003eLong-Life Battery\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; color: #94a3b8; margin-top: 4px;\"\u003eFast Charger (vs 4h standard)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"color: #475569; margin-bottom: 28px; font-size: 16px;\"\u003eThe Fast Charger is the ideal choice for \u003cstrong\u003ehigh-intensity deployment schedules\u003c\/strong\u003e, \u003cstrong\u003ecompetitive robotics events\u003c\/strong\u003e, and \u003cstrong\u003etime-critical field operations\u003c\/strong\u003e where minimizing downtime between missions is essential. For overnight charging or laboratory environments where speed is less critical, the \u003cstrong\u003eStandard Charger\u003c\/strong\u003e (50.4 V, 4 A) provides a gentler charge profile that may extend overall battery cycle life.\u003c\/p\u003e\n\u003c!-- FEATURE 02: SAFETY --\u003e\n\u003ch2 style=\"font-size: 24px; font-weight: bold; margin-top: 56px; margin-bottom: 16px; color: #0f172a; display: flex; align-items: center; gap: 10px;\"\u003e\n\u003cspan style=\"display: inline-block; width: 6px; height: 28px; background: #0ea5e9; border-radius: 3px;\"\u003e\u003c\/span\u003e Safety First — Multi-Layer Protection\u003c\/h2\u003e\n\u003cp style=\"color: #475569; margin-bottom: 28px; font-size: 16px;\"\u003eDespite its higher power output, the Unitree Fast Charger incorporates the same comprehensive safety mechanisms as the Standard Charger to protect both the battery and the charging environment:\u003c\/p\u003e\n\u003cul style=\"color: #475569; line-height: 2; padding-left: 22px; margin-bottom: 48px; font-size: 15px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvercharge Protection\u003c\/strong\u003e — Automatically terminates charging when the battery reaches full capacity, preventing cell damage and thermal runaway.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort Circuit Protection\u003c\/strong\u003e — Instant cut-off if a short is detected in the output circuit, protecting both charger and battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Protection\u003c\/strong\u003e — Monitors internal and battery temperature during charging; reduces current or pauses charging if safe thresholds are exceeded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver-Current Protection\u003c\/strong\u003e — Limits output current to the rated 7.4 A, preventing excessive current draw that could damage battery cells.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver-Voltage Protection\u003c\/strong\u003e — Regulates output voltage within the 50.4 V ± tolerance window, ensuring consistent and safe charging voltage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Shutoff\u003c\/strong\u003e — The charger enters a low-power standby state once charging is complete, minimizing energy consumption and heat generation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- FEATURE 03: COMPATIBILITY --\u003e\n\u003ch2 style=\"font-size: 24px; font-weight: bold; margin-top: 56px; margin-bottom: 16px; color: #0f172a; display: flex; align-items: center; gap: 10px;\"\u003e\n\u003cspan style=\"display: inline-block; width: 6px; height: 28px; background: #0ea5e9; border-radius: 3px;\"\u003e\u003c\/span\u003e Compatibility — A2, A2-W \u0026amp; As2-W Interchangeable\u003c\/h2\u003e\n\u003cp style=\"color: #475569; margin-bottom: 28px; font-size: 16px;\"\u003eThe A2, A2-W and As2-W robot platforms share the same battery architecture, making this charger \u003cstrong\u003efully interchangeable\u003c\/strong\u003e across all three models. Whether you operate an A2 for indoor research, an A2-W for outdoor wheeled-leg missions, or an As2-W for next-generation autonomous exploration, a single Fast Charger handles all battery packs. This simplifies logistics for labs, research institutions, and deployment teams running mixed fleets of Unitree quadrupeds.\u003c\/p\u003e\n\u003c!-- FEATURE 04: USAGE GUIDELINES --\u003e\n\u003ch2 style=\"font-size: 24px; font-weight: bold; margin-top: 56px; margin-bottom: 16px; color: #0f172a; display: flex; align-items: center; gap: 10px;\"\u003e\n\u003cspan style=\"display: inline-block; width: 6px; height: 28px; background: #0ea5e9; border-radius: 3px;\"\u003e\u003c\/span\u003e Usage Guidelines \u0026amp; Best Practices\u003c\/h2\u003e\n\u003cp style=\"color: #475569; margin-bottom: 28px; font-size: 16px;\"\u003eTo maximize battery life and ensure safe operation with the higher-power Fast Charger, follow these best practices:\u003c\/p\u003e\n\u003cul style=\"color: #475569; line-height: 2; padding-left: 22px; margin-bottom: 48px; font-size: 15px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCool Before Charging\u003c\/strong\u003e — Do not charge the battery immediately after heavy use. Wait for the battery to cool to near room temperature before connecting the charger. Charging a hot battery significantly reduces cell lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal Temperature Range\u003c\/strong\u003e — Charge in an environment between \u003cstrong\u003e5°C and 40°C\u003c\/strong\u003e for optimal battery health and charging efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWell-Ventilated Area\u003c\/strong\u003e — The Fast Charger generates more heat than the Standard Charger. Place the charger and battery on a hard, non-flammable surface with \u003cstrong\u003egenerous airflow\u003c\/strong\u003e around the unit. Never charge inside enclosed bags or cases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupervised Charging\u003c\/strong\u003e — It is recommended to charge within sight, especially during the first few charge cycles with a new battery or when using the Fast Charger for the first time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisconnect When Full\u003c\/strong\u003e — Although the charger has automatic shutoff, it is good practice to disconnect the battery from the charger once charging is complete.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Only Official Chargers\u003c\/strong\u003e — Third-party chargers may not provide the correct voltage regulation or safety protections. Unitree does not warrant batteries damaged by non-official chargers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- SPECS TABLE --\u003e\n\u003ch2 style=\"font-size: 24px; font-weight: bold; margin-top: 56px; margin-bottom: 20px; color: #0f172a; display: flex; align-items: center; gap: 10px;\"\u003e\n\u003cspan style=\"display: inline-block; width: 6px; height: 28px; background: #0ea5e9; border-radius: 3px;\"\u003e\u003c\/span\u003e Technical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: separate; border-spacing: 0; font-size: 14px; color: #334155; margin-bottom: 56px; border-radius: 12px; overflow: hidden; border: 1px solid #e2e8f0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #0f172a; color: #fff;\"\u003e\n\u003ctd style=\"padding: 14px 18px; font-weight: 600; width: 42%;\"\u003eParameter\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px; font-weight: 600;\"\u003eUnitree Fast Charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0; font-weight: 600;\"\u003eProduct Dimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0;\"\u003e190 mm × 11 mm × 45.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0; font-weight: 600;\"\u003eInput Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0;\"\u003eAC 100 V – 240 V~\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0; font-weight: 600;\"\u003eInput Frequency\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0;\"\u003e50 \/ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0; font-weight: 600;\"\u003eMax Input Current\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0;\"\u003e6.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0; font-weight: 600;\"\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0;\"\u003eDC 50.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0; font-weight: 600;\"\u003eOutput Current\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0;\"\u003e7.4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0; font-weight: 600;\"\u003eOutput Power\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0;\"\u003e373 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0; font-weight: 600;\"\u003eStandard Battery Charge Time\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0;\"\u003eApproximately 1.5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0; font-weight: 600;\"\u003eLong-Life Battery Charge Time\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0;\"\u003eApproximately 2.5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0; font-weight: 600;\"\u003eCompatible Models\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0;\"\u003eUnitree A2, Unitree A2-W, Unitree As2-W (batteries are interchangeable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0; font-weight: 600;\"\u003eSafety Protections\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px; border-bottom: 1px solid #e2e8f0;\"\u003eOvercharge, short circuit, over-temperature, over-current, over-voltage, automatic shutoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 14px 18px; font-weight: 600;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 18px;\"\u003e12 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- WHAT'S IN THE BOX --\u003e\n\u003ch2 style=\"font-size: 24px; font-weight: bold; margin-top: 56px; margin-bottom: 20px; color: #0f172a; display: flex; align-items: center; gap: 10px;\"\u003e\n\u003cspan style=\"display: inline-block; width: 6px; height: 28px; background: #0ea5e9; border-radius: 3px;\"\u003e\u003c\/span\u003e Charger Comparison\u003c\/h2\u003e\n\u003cp style=\"color: #475569; margin-bottom: 28px; font-size: 16px;\"\u003eChoose the charger that matches your operational needs:\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; color: #334155; margin-bottom: 56px; border-radius: 12px; overflow: hidden; border: 1px solid #e2e8f0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #0f172a; color: #fff;\"\u003e\n\u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 600; width: 22%;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 600; width: 39%;\"\u003eStandard Charger\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 600; width: 39%;\"\u003eFast Charger\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240); font-weight: 600;\"\u003eOutput\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240);\"\u003e50.4 V, 4.0 A, 201 W\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240);\"\u003e\u003cstrong\u003e50.4 V, 7.4 A, 373 W\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240); font-weight: 600;\"\u003eStandard Battery\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240);\"\u003e~2.5 hours\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240);\"\u003e\u003cstrong\u003e~1.5 hours\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240); font-weight: 600;\"\u003eLong-Life Battery\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240);\"\u003e~4 hours\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240);\"\u003e\u003cstrong\u003e~2.5 hours\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240); font-weight: 600;\"\u003eCompatible Models\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240);\"\u003eA2 series\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240);\"\u003e\u003cspan id=\"_mce_caret\"\u003eA2 series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240); font-weight: 600;\"\u003eBest For\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240);\"\u003eOvernight charging, labs, gentle charge profile\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid rgb(226, 232, 240);\"\u003e\u003cstrong\u003eRapid turnaround, competitions, field ops\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: 600;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px;\"\u003e190 × 11 × 45.2 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px;\"\u003e190 × 11 × 45.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- FOOTER NOTE --\u003e\n\u003cp style=\"font-size: 12px; color: #94a3b8; text-align: center; margin-top: 32px; line-height: 1.5;\"\u003e* Specifications are based on manufacturer data and may vary slightly by production batch.\u003cbr\u003e* The A2, A2-W and As2-W batteries are interchangeable — this charger works with all three platforms.\u003cbr\u003e* Charge times are approximate and depend on ambient temperature, battery condition, and starting charge level.\u003cbr\u003e* Always use official Unitree chargers. Third-party chargers may void warranty and damage the battery.\u003cbr\u003e* Unitree is a registered trademark of Unitree Robotics.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Unitree","offers":[{"title":"Default Title","offer_id":50068770029845,"sku":"As2-CHARGER-FAST","price":230.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/0157\/5189\/files\/As2-CHARGER-FAST.png?v=1785783651","url":"https:\/\/futurology.tech\/products\/unitree-battery-fast-charger-for-a2-series","provider":"Futurology Tech","version":"1.0","type":"link"}