eMagTech 4pcs 4S High Current Lithium Battery Protection Board 18650 Li-ion Charger Protection Board 14.4V 14.8V 16.8V 20A-30A Overcharge Battery Protection Module
 
Product Features
  

         
Working Current: 15A (natural cooling 10A, additional heat sink 15A ); Maximum Instantaneous Current: 30A; Overcharge Relieve Voltage: 4.150.05V; Over Discharge Relieve Voltage: 3.000.1V.
         
Compatibility: Designed for lithium battery packs of 14.4V, 14.8V, and 16.8V, ensuring protection during charging and discharging to prolong the battery pack's lifespan.
         
Automatic Activation: This protection board features an automatic activation function that resets protection after the conditions return to normal, providing hassle-free use.
         
Comprehensive Protection: Offers multiple protective functions, including overcharge protection, overdischarge protection, overcurrent protection, and short circuit protection.
         
Package Details: The board measures 5x2.2 cm and includes 4 protection boards per pack to meet your requirements.