Speras R145 14500 Rechargeable Lithium Battery Micro USB (Button Top)

The R145 14500 battery is a cylindrical li-ion cell classified by its roughly 49.2mm length and 13.5mm diameter, and is the rechargeable version of an AA Battery. They usually have a 3.6V or 3.7V voltage, button-top terminal, and most use a LiCoO2 (lithium carbon-oxide) ICR chemistry. While some come with built-in USB charging ports, most 14500 batteries are rechargeable in Li-ion smart chargers. Specifications: Model R145 Capacity 750 mah Powered 2.78 Wh Voltage 2.75V–4.2V Cell —– Size φ14.5*50mm Net Weight 19.5g/0.69 Oz Rechargeable YES Brand SPERAS     ***Price Per Battery***    *** WARNING *** All users must have appropriate understanding of lithium-ion batteries before purchase. Use caution when working with and using lithium-ion batteries as they are very sensitive to charging characteristics and may explode, burn, or cause a fire if misused or mishandled. Always charge in or on a fire-proof surface. Never leave batteries charging unattended. Buyer