3.7V (1S) Packs

3.7V single-cell (1S) lithium-ion battery packs built with 18650 and 21700 cylindrical cells. Available in a range of capacities with optional PCM/BMS protection, these rechargeable packs are ideal for consumer electronics, LED lighting, IoT devices, and small portable equipment. OEM and wholesale orders welcome — CE, RoHS, UN38.3 certified.

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