Get ready to power up your device with the SDNMY Lithium-ion Rechargeable Battery. Designed to provide long-lasting and reliable performance, this battery is compatible with various devices. With a voltage of 3.7V and lithium as the chemical composition, you can expect efficient power delivery without any interruptions. The battery comes from the trusted brand, SDNMY, and is perfect for those in need of a reliable rechargeable battery. This battery is a must-have for any device that requires a lithium-ion rechargeable battery for efficient power delivery. Don't let a dead battery slow you down, get your hands on the SDNMY Lithium-ion Rechargeable Battery today. X 3 - SDNMY Lithium-ion Rechargeable Battery. Summary: SDNMY 18650 Battery 3.7V 4800mAh | 3.7V SUITABLE FOR TOYS, DOOR BELL,.