3.7 Volt Rechargeable Battery, 2 Pack 3500Mah Battery High Power Lasting Long for Headlamp, LED Flashlight, Solar Light, Electronic Devices etc

More Compatible: Electronic pro devices and household appliances are fully compatible, for example, miniature cars, calculators, remote controls, with LED sensors, cameras and lamps, outdoor equipment, aerial photography, medical equipment etc.

Large Capacity Battery: It is using LSD self-discharge suppression technology, typically stores over 85% of electricity after 3 years, when not in use can be long term storage for 10 years.

More Strong Power and Long Life: Unique low decomposition technology up to 1200 times, and longer service life than ordinary batteries, support stable 3.7volt output voltage, makes the devices work more stable and lasting longer, great replacement batteries for high power used devices.

More Protection: 3.7V batteries, built-in safety circuit board protects battery from over-charge, over-discharge, short-circuit, over-heat and cool, explosion proof and leak proof of your beloved electrical appliances.

We Promise: 100% Capacity Battery. If you have any questions, please contact us. We offer 3 months refund or 12 months free exchange and 24 hours online customer service.