OSTENT 2500mAh 3.7V Rechargeable Lithium-ion Battery + Tool Kit Pack Compatible for Nintendo 3DS LL/XL 100% brand new and high quality, Power Voltage: 3.7V, 2500mAh Keep as an extra or replacement power source for your Nintendo 3DSLL. Reliable and guaranteed to get fun, this replacement battery is made with high quality components and will give you high performance Long life power supply, can be charged or discharged hundred times Ideal for replacing your damaged or unused battery for Nintendo 3DS LL/XL