43.2V 20Ah Robotics Lithium 21700 Battery Pack
Designed for advanced robotics and high-performance drones, our 12S4P 43.2V 20Ah 21700 lithium battery pack delivers the robust power required for intense loads, rapid maneuvers, and challenging operating conditions. Combining high energy density with superior discharge capability, it offers reliable and enduring performance for the most demanding industrial applications.
Key features：
- High Energy Density: 864Wh capacity with up to 250Wh/kg, delivering longer runtime and reduced charging intervals.
- Powerful Discharge Performance: Supports 100A continuous and 320A peak discharge, easily handling high-power demands such as startup, takeoff, and acceleration.
- Lightweight & Compact Design: Weighs just 3.45kg, more compact than traditional 18650 solutions, enabling lighter systems and extended range.
- Wide Compatibility: Suitable for both consumer and industrial applications, including robotics, drones, UGVs, and energy storage systems, helping reduce development costs across multiple platforms.
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 43.2V | 3.6V/Cell |
| 2 | Nominal Capacity | 20Ah | @0.5C |
| 3 | Minimum Capacity | ≥19.5Ah | |
| 4 | Shipment Voltage | / | |
| 5 | Initial Internal Impedance | ≤200mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 50.4V | 4.2V/Cell |
| 7 | Standard Charge Current | 10A | 0.5C |
| 8 | Max. Charge Current | 20A | 1C |
| 9 | Standard Discharge Current | 20A | 1C |
| 10 | Max. Discharge Current | 100A | |
| 11 | Burst Discharge Current | ≤320A | ≤20ms |
| 12 | Discharge Cut-off Voltage | 30.0V | 2.5V/Cell |
| 13 | Cycle Life | ≥500 cycles | Retention: ≥80% |
| 14 | Charge Temperature | 0°C~+45°C | Standard Charge |
| 15 | Discharge Temperature | -20°C ~+60°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~ +50°C | ≤3 months |
| -20°C~ +25°C | |||
| 17 | Weight | About 3.45 | kg |
43.2V 20Ah 21700 battery pack FAQs
Can the battery operate reliably in extreme environments?
Yes. The pack can discharge normally between -20°C and +60°C. Optional features include low-temperature heating solutions, high-temperature cooling designs, and IP65–IP67 waterproof/dustproof protection, ideal for outdoor robotics, unmanned vehicles, and mobile energy storage.
How do you ensure safety?
We ensure safety through strict cell matching, robust insulation and anti-vibration design, plus optional redundant protection with dual boards and fuses.
Do you provide battery pack certifications?
Yes. Based on customer requirements, we can assist with certifications such as UN38.3, MSDS, CE, UL, and IEC62133 to ensure compliance with international transport and application markets.
Can the battery be customized for size and connector type?
Absolutely. We offer full customization of size, capacity, current connectors, waterproof structure, and BMS functions to fit your device perfectly.
Can you supply samples for testing before a bulk order?
Yes, we offer samples. Testing in your application is recommended to ensure compatibility before mass production.
Tailored Customization
Our design team can create custom battery designs for just about any device or machine.
Timely Delivery
Our efficient production and distribution process gets your product delivered in a timely manner.
Quality Guarantee
We stand by our products and guarantee you’ll be happy with your purchase.
