【High capacity battery】 The 18650 lithium-ion rechargeable battery 18650 3.7V has a very large capacity and can be used for a long time, which is very stable and does not damage electrical equipment, has a guarantee of storage.【Multiple Protection】 Rechargeable Li-Ion 18650 5300mAh 3.7V batteries have built-in protection of the safety circuit board, anti overload, excessive discharge, short circuit, overcurrent, explosion, and anti-high temperature.【Economic durability】 Unique low decomposition technology can be up to 1200 cycles. Compared to ordinary batteries, the charging time is longer. Good self-discharge suppression technology usually stores more than 85% of electricity after 3 years.【Largely compatible】 Electronic devices and appliances are perfectly compatible. For example, miniature cars, calculators, remote controls, with LED sensors, cameras and lamps, outdoor equipment, aerial photography, medical equipment, etc.【Quality after service】 We are committed to providing high-quality products. If you have any questions, do not hesitate to contact us. We offer 3 months of refund or 12 months of free exchange, 24 hours of online customer service.