2S 3.7V Battery Charging Module
$2.00
Available
SKU: PRD351
The 2S 3.7V Battery Charging Module is a protection and charging board designed for two lithium-ion batteries connected in series (7.4V total). It safely manages charging, prevents overcharging, and stops over-discharging. It is commonly used in DIY battery packs, portable speakers, and small electronic devices.
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