Efest 21700 3700mAh 35A Battery

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Manufacturer:     Efest
Size:     21700
Style:     Flat Top
Protected:     NO, UNPROTECTED. This cell is unprotected and intended for use in protected battery packs only and NOT individually or as a standalone product. In order to operate safely it must have additional protection in the form of a PCB (protection circuit board) or BMS (battery management system), which is not included.
Nominal Capacity:     3700mAh
Discharge Current:     30A Maximum Continuous, Rated 35A Maximum Pulse by EFEST
Nominal Voltage:     3.7V
Maximum Voltage:     4.2V
Approximate Dimensions:     21.5mm x 70.4mm
Approximate Weight:     73.12g
Origin:     China