Description: High Quality high capacity light weight&nbsp rechargeable DC 3.7V Li Ion 850mAh battery. Longer battery life than the original battery that comes with the cell phone. Best replacement for the original Nintendo DS battery pack. No memory effect. Can be charged or discharged&nbsp as needed without loss of capacity.Overcharge protection with built in battery life microchip. CE Certified. Compatible with: Nintendo DS. Not compatible with Nintendo DS Lite6 months&nbsp Manufacturer warranty. Type: Battery