4S 14.8V / 16.8V 20A Li-Ion BMS with Balance 18650 Lithium Battery Protection Board Overcharge, Over-Discharge, Short Circuit Safety 32 mode timer relay module keeping your sink area dry

keeping your sink area dry and clean

Suitable for wooden sofas

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4S 14.8V / 16.8V 20A Li-Ion BMS with Balance 18650 Lithium Battery Protection Board Overcharge, Over-Discharge, Short Circuit Safety 32 mode timer relay module keeping your sink area dryBuilding a DIY battery pack without protection is a fire hazard waiting to happen the 4S 14. 8V 16. 8V 20A Li Ion BMS gives your 18650 lithium battery pack the intelligent safeguarding it deserves, all in one compact board. This Battery Management System (BMS) is engineered for 4 series Li ion and Li polymer packs, delivering four layer protection: overcharge cutoff at 4. 25V per cell, over discharge cutoff at 2. 5V per cell, overcurrent protection at