OEM & ODM Baby Products Manufacturing





Our 350wh/kg drone battery is a state – of – the – art power source engineered for unmanned aerial vehicles (UAVs) and drones. With a nominal voltage of 3.7 volts per cell, it provides a stable and consistent power output. The battery can handle a maximum current of 440A, making it suitable for high – power applications. Although the exact maximum cut – off voltage isn’t specified, its high – performance design ensures safe operation. This semi – solid state battery has an impressive energy density of 320Wh/kg and a cycle life of 1000 cycles, offering long – lasting reliability. It’s well – suited for single rotor drones, multi rotor drones, and a wide range of UAV applications.
| Specification | Value |
|---|---|
| Application | UAV/Drone, single rotor drone, multi rotor drone |
| Max Load Quantity (cells) | 20 |
| Cycle Life | 1000 cycles |
| Model Number | Semi Solid State Li – ion Battery |
| Operating Temperature (℃) | -90 |
| Cathode Materials | LiNiMnCoO2 |
| Brand Name | Bettewill |
| Battery Type | Semi – solid state |
| Dimension (L*W*H) | 213*90*66mm (customizable) |
| Weight | 2.65KG |
| Place of Origin | Shenzhen, China |
| Voltage | 3.7v each cell |
| Current (MAX) | 440A |
| Energy Density | 320Wh/kg |
| OEM/ODM | Yes (Accepted) |
| Charging Ratio | 2C |
| Discharge Rate | 10C |
| Storage Type | Charge/discharge each 3 months |
| Selling Units | Single item |
| Single package size | 20X20X20 cm |
| Single gross weight | 3.000 kg |



The 350wh/kg drone battery is applicable in the following areas:
Battewill is a professional manufacturer of customized lithium battery packs, offering reliable power solutions for drones, mobility vehicles, robots, and specialty applications. With factories in Dongguan, offices in Shenzhen and Hong Kong, and after-sales centers in the US, Germany, and Dubai, we serve customers worldwide with high-quality and efficient battery solutions.
We supply LiFePO4 batteries, ternary lithium-ion batteries, and specialty cells for high/low temperature or military-grade applications.
Our lithium batteries are widely used in drones, mobility scooters, wheelchairs, golf carts, robots, medical devices, garden tools, smart home appliances, energy storage systems, and specialty applications.
Yes, we specialize in customized lithium battery packs and BMS solutions based on your voltage, capacity, size, and application requirements.
Let our battery experts provide you with a customized solution and quote.