4S 40A Li-ion Cell Protections Board Enhance Version Lithium Batterys BMS Integrated Circuits Protective Board for Drill Motor NO5131

Features:

Can protect batterys and prolong the service life of batterys.

Used to Charging/discharge four groups of lithium batterys in series.

Each group can connect multiple lithium batterys in parallel.

Applicable to the nominal voltage of 3.7V, fully charged 4.2V lithium batterys, can be drilled below 170W.

Specifications:

Version: Enhance

Charging-Voltage: D C16.8-17V

Continuous Charging-Current: up to 20A

Continuous Discharge Current: 40A Maximum (Nice heat dissipation condition)  

Size: 55 * 44 * 4mm / 2.16 * 1.73 * 0.16in

Package Size: 120 * 80 * 12mm / 4.72 * 3.15 * 4.72in

Package Weight: 10g / 0.35ounces

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