It is worthwhile to buy this portable， premium battery with high capacity. This high quality battery is made of superb cells and utilizes build-in protection to prevent it from overheating and overcharging and ensure the maximum levels of battery safety， reliability and efficiency. It is portable and handy to carry.                                    Features            Used for NDS Lite onlyCan not be put into fireCan not be disassembled or transformedCan not be connected with the metalCan not be moved or stored together with the metalDo not place battery into hot， dark or under straight of the sunshinePlease charge the battery for 12 hours when using fot the first tim                                                            Specifications            Voltage    3.7V    <br>Capacity    2000 mAh    <br>Battery    Rechargeable Battery    <br>Weight    23.77 g / 0.84 oz    <br>                                                            Package Includes            1 x Rechargeable battery 2000 mah for NDSL DSL (screwdriver included)<br>