Charging voltage: DC 12.6V~13.6V; Continuous discharge current: 40A maximum (if the heat dissipation environment is not good, please reduce the load current); Continuous charging current: up to 20A Applicable choice: applicable to the nominal voltage of 3.7V, fully charged 4.2V lithium battery(including 18650, 26650, polymer lithium battery), can be drilled below 170W Multiple Protections: During charging and discharging, it has overcharge protection, overdischarge protection, and overcurrent Protection, short circuit protection When installing the battery for the first time or when charging is in progress, as long as the single battery exceeds 4.2V, the "430" resistor will heat up and discharge (discharge to about 4.19V to stop heating). If the "430" resistor is severely hot, check if the wrong line is connected Package Included: You will receive 4pcs 3S 40A 12.6V lithium battery protection board.if you have any question about the product,please contact us.

Description:

• Product Name: 3S 40A 12.6V lithium battery protection board 
• Charging voltage: DC 12.6V~13.6V
• Continuous discharge current: 40A maximum (if the heat dissipation environment is not good, please reduce the load current); Continuous charging current: up to 20A
• Balance VersionProduct size: 41*61*4mm
• Applicable choice: applicable to the nominal voltage of 3.7V, fully charged 4.2V lithium battery(including 18650, 26650, polymer lithium battery), can be drilled below 170W
• Applications: It can be used in electric drills, sprayers, LED lights, low power reverse Charge and discharge batteries of transformers and other products.

Note: 

• 1: Successfully start the drill requires 3 10C-20C power batteries, or 6 5C-10C power batteries (recommended power battery models: sony vtc4, vtc4A, vtc5A, vtc6) OV and 12.6V cable, use Copper wire of 3 square millimeters or more
• 2: Strictly connect 0V, 4.2V, 8.4V, 12.6V according to the diagram. Do not touch any components on the board when installing the wire. Do not intentionally short circuit.
• 3: When installing the battery for the first time or when charging is in progress, as long as the single battery exceeds 4.2V, the "430" resistor will heat up and discharge (discharge to about 4.19V to stop heating). If the "430" resistor is severely hot, check if the wrong line is connected.

Package Included: 

• 4pcs 3S 40A 12.6V lithium battery protection board