Henryuan 3-Stage 33.6V 10A Charger: Precision Charging Solution For Legged and Humanoid Robotics

This advanced and reliable charging solution provides robust power for your next-generation robotic platform. Henryuan 8S 33.6V 3.5A, 9A, 10A, 12.5A lithium-ion battery charger is designed to meet the demanding charging needs of legged and humanoid robots. Whether you're operating complex quadrupedal research robots or deploying humanoid service robots, this charger delivers fast, safe, and precise charging for your hardware, maximizing uptime and battery life.

Key Specifications

• Input Voltage: AC 100–240V, suitable for worldwide use
• Output Voltage: 33.6V DC (for 29.6V LiPo batteries)
• Output Current: 3.5A (standard charing); 9A, 10A, 12.5A(Fast charging)
• Charging Power: Up to 420W
• Efficiency: Advanced switching technology for reduced energy loss
• Protection: Over-voltage, over-current, short-circuit, reverse polarity
• LED Indicators: Charging and fully charged status
• Cooling: High energy efficiency, small temperature rise, natural cooling, no cooling fan, no heat dissipation holes, safe, and silent operation.
• Safety Certifications: CE, GS, UKCA, SAA, PSE, UL, ETL, cUL, KC, CCC

Parameter	Details
Input Voltage	AC 100-240V, 50/60Hz (universal compatibility)
Output	29.6V Lipo Charger (33.6V 3.5A, 9A, 10A, 12.5A)
Charging Mode	3-stage (CC/CV/Trickle)
Compatibility	8S Lipo Batteries (29.6V nominal)
Protection Features	OVP, OCP, SCP, Reverse Voltage Protection
LED Indicators	Red (Charging), Green (Fully Charged)

Core Technology: Optimized 3-Stage Charging Profile (33.6V10A: CC-CV-Trickle)

Our engineering team has perfected a proprietary 3-stage smart charging algorithm tailored for high-capacity, multi-cell robotic battery packs (8S Li-ion). Unlike standard chargers that feature a hard cutoff, Henryuan’s advanced power logic ensures proper cell maintenance and absolute maximum saturation. Take the 33.6V 10A charger for example:

• Stage 1: Constant Current (CC) | 10A Rapid Charge: Delivers a maximum, steady 10A bulk charge to recover battery capacity quickly, minimizing robot downtime.
• Stage 2: Constant Voltage (CV) | 33.6V Precision: As the pack approaches its peak voltage, the voltage remains constant while the current tapers down, preventing cell stress and heat buildup.
• Stage 3: Trickle Charge (End-of-Charge Maintenance) | True Zero Saturation: The crucial final phase. Instead of cutting off prematurely, the charger transitions into a precise trickle mode, maintaining peak voltage while allowing the current to naturally decay to zero. This ensures every single cell in the 8S pack reaches 100% saturation and provides the necessary window for your BMS to perform critical cell balancing, significantly extending battery cycle life and runtime.

Key Technical Features

High-Output: Purpose-built for high-capacity robotic packs, enabling rapid turnover in research labs and deployment zones.
Advanced thermal management: Features an advanced built-in aluminum heat sink and a portable, sealed plastic housing design. High charging efficiency ensures low-temperature, quiet operation even during peak constant current charging, preventing overheating and throttling.
Total Global Compliance: Built for international markets. Carry a full stack of global safety certifications: UL, cUL, ETL, TUV/GS, CE, UKCA, FCC, SAA, PSE, CCC and KC. This removes regulatory friction for global distribution.
Industrial Protection Suite: Integrated short circuits, over-voltage, over-current and reverse polarity protections.
Customization Ready (OEM/ODM): We can tailor charging curves and offer custom connector assemblies (Anderson Powerpoles, XLR, GX16, XT60/30 etc.) to integrate seamlessly with your robot’s unique form factor.

Target Applications

• Humanoid & Legged Robotic: Works flawlessly as a heavy-duty 33.6V 9A, 10A charger for humanoid robots and quadrupeds, maintaining an ultra-precise voltage profile that guarantees long-range stability for advanced bipedal inspection tasks
• Autonomous Mobile Robots (AMRs) & Logistics: Functions as an automated, fanless 33.6V 9A, 10A charger for autonomous mobile robots, ensuring cool, continuous 24/7 heavy-load charging operations in modern automated warehouses.
• Next-Gen Embodied AI Robot Systems: Ideal as an intelligent embodied AI robot 33.6 volt smart power supply partner, supporting flexible constant current scaling that guards multi-cell 8S battery packs from thermal degradation.

Why Choose Henryuan?

As an ISO-certified manufacturer, we subject every single battery charger to a 100% full-load burn-in test. We provide the manufacturing scale, reliability, and technical support demanded by global robotics leaders. We are not just a manufacturer, but also your partner in technology research and development.

Use Case Sharing

Technical Specifications of 33.6V 8S Lithium Charger Range

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