3s 40A Bms Protection Board With Balance
Specifications
Name: 3-string 12.6V 40A lithium battery protection board
Charging voltage: DC 12.6V – 13.6V
Continuous discharge current: 40A (if the heat dissipation environment is not good, please reduce the load current)
Continuous charging current: 20A
Product size: 41*55*4mm
Suitable for lithium batteries with a nominal voltage of 3.7V and fully charged 4.2V
(including 18650, 26650, polymer lithium batteries), and can be used with electric drills below 170W
Original price was: ₦3,800.00.₦3,600.00Current price is: ₦3,600.00.
Description
Successfully starting the electric 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 two lines, using 3 square millimeters The above copper wire (nickel sheets cannot be used)
Connect OV, 4.2V, 8.4V, 12.6V strictly according to the diagram. Do not touch any components on the board when welding wires, and do not short-circuit intentionally.
Prepare lithium battery protection module, battery, power supply, and high-power load resistor
From the wiring diagram, the batteries are in three series. The connected batteries need to meet the 40A discharge current. This can be achieved by connecting batteries in parallel or purchasing batteries with large discharge currents. For example, if the battery is 2000mAH and the discharge rate is 10C, then only 3 series and 2 parallels are needed to achieve a discharge current of 40A.
The picture below is a battery charging diagram. The charging voltage is DC12.6V~13.6V. The charging current depends on the connected battery and does not exceed 20A.
Package contains
1 x 3s 40A bms board with balance