• Rechargeable battery: JESSY 3.7V Lithium Battery, this is flat-top rechargeable Batteries, Size 18 * 65 * 18mm (2.56*0.7*0.7inch), the Size is NOT AA/AAA battery, please confirm the battery size and battery type before purchase
• Wide Compatibility: 3.7V rechargeable battery compatible with headlamps, flashlights, radio, garden lights, doorbells, small fans, toys, etc
• High Performance: 3300mAh large capacity rechargeable battery which supports stable power for your devices and effectively prevents damage of the devices, such a perfect replacement battery for used devices with high frequency
• Multiple Protections: This 3.7V battery is without any memory effect and provide multiple protections, including short circuit, overcharge, and overcurrent protection. Prefectly make the battery to be more stable and safe to protect your devices
• 100% Guarantee: If you do not like our 3.7V lithium batteries, please contact us and we will replace them or give you a full refund