Key Specifications/Special Features:
4V, 1600mAh lead-acid battery
All the details can be custom-made. OEM and ODM is available and welcomed, including the design.
We have been manufacturing and exporting over 15 years to list on in SME (Shenzhen Small and medium enterprises Board) as the first company in rechargeable electronic products.
Please freely to contact us for further more demands. You will get unexpected satisfaction