OEM & ODM Baby Products Manufacturing



The Bettewill 3.7V 30AH Semi-solid State Battery Cell is a cutting-edge energy storage solution that redefines reliability and performance in a semi-solid state battery cell. Manufactured in Shenzhen, China, this advanced battery cell adopts NCM cathode materials and semi-solid state technology, delivering a perfect balance of high capacity, long cycle life, and wide environmental adaptability.
With an impressive 2000 charge-discharge cycles, it outperforms traditional lithium-ion batteries, ensuring long-term usability for high-frequency applications. Operating seamlessly in temperatures ranging from -30℃ to 55℃, this semi-solid state battery cell maintains stable performance in extreme cold and heat, making it suitable for both indoor and outdoor use. Featuring a 2C charging ratio and 10C discharge rate, it provides fast charging and powerful output, while its compact dimensions (172*74*7.7mm/187*87*10.8mm) and 408g weight enable easy integration into various devices. From drones and electric vehicles to toys, power tools, and solar energy systems, this semi-solid state battery cell caters to diverse industrial and consumer needs, supported by a 3-month to 1-year warranty for added peace of mind.
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| Specification Item</ | Details</ |
|---|---|
| Brand Name | Bettewill |
| Model Number | 3.7V 30AH |
| Battery Type | Semi-solid state |
| Cathode Materials | NCM |
| Voltage | 3.7V |
| Capacity | 30AH |
| Dimensions (L*W*H) | 172*74*7.7mm; 187*87*10.8mm |
| Weight | 408g |
| Cycle Life | 2000 cycles/times |
| Operating Temperature | -30℃~55℃ |
| Charging Ratio | 2C |
| Discharge Rate | 10C |
| Max Load Quantity (Cells) | 32 |
| Place of Origin | Shenzhen, China |
| Storage Type | Normal Storage |
| Shipping Packaging | Carton and wooden case |
| Warranty | 3 months – 1 year |

This semi-solid state battery cell is designed for diverse high-demand scenarios, including:
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.