Model Note: This Battery Only Compatiable with Nintendo DSi, NDSi Game Console, Not suitable for any other device. Battery Specifications: Premium 0-cycle Battery: Capacity:2000mAh, Voltage:3.7V, Battery type: Li-ion Battery. Tips: Package includes replacement tool, and It needs to be charged before the first use. Safety Guarantee: The battery is rigorously tested and has a built-in microchip to prevent overcharging, overdischarging and overheating, short circuit protection and safety protection. This will help to extend the life of the battery. After-sales service: 6 month replacement. TAYUZH TWL-003 Battery for Nintendo DSi/NDSi, 2000mAh Rechargeable Lithium-ion Battery Pack Tool Kit for Nintendo DSi, NDSi Game Console, (Not for Nintendo DSi XL, DS Lite, DSi LL)