Description

The 2S-4A 18650 Polymer Lithium-Ion Charger Module is a compact battery charging and boost module designed for 2S lithium-ion battery packs. It accepts power through a convenient USB Type-C input and is designed to charge a 2S battery configuration to approximately 8.4V.

The module supports commonly used 3.7V Li-ion cells, including 18650 and 14500 batteries, when configured as a suitable 2S pack. It provides up to 4A charging current according to the product listing and includes built-in protection features intended to improve battery and module safety.

Its compact design makes it suitable for DIY electronics, portable power projects, battery packs, and other rechargeable lithium-ion applications.