3S 40A BMS 11.1V 12.6V 18650 lithium battery protection Board with balanced Version for drill 40A current/ Motorcycle battery
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3S 40A 12.6V 40A lithium battery protection board (comes with recovery function-AUTO Recovery)
Scope: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650,26650, polymer lithium battery)
Product Size: 42 * 60 * 3.4mm (balanced version)
Product weight: 9.8g (balanced version)
Charging voltage: 12.6V – 13.6V
Continuous discharge current (upper limit): 40A (if the cooling environment is not good, please reduce the load current use)
Continuous charge current (upper limit): 20A
Balance version: suitable for starting current below 80A, power 170W below the drill.
New Balance vertion:It is suitable for electric drills with a starting current of 80A or less, power of 170W or less, or motorcycles of less than 250CC. It has a balanced charging function and is compatible with ordinary batteries with poor discharge capability.
1): Balance version, start the drill requires 3 10C-20C power batteries, or 6 5C-10C power batteries (recommended power battery models: SONY VTC4, VTC4A, VTC5A)
2):New Balanced version, compatible with discharge capacity Poor ordinary battery; this version is absolutely forbidden because it has a large discharge current limit! ! !
Note 2: strictly according to map wiring 0V, 4.2V, 8.4V, 12.6V, do not deliberately short circuit.
Note 3: When the load of the brush motor is used, try to connect a non-polar capacitor (withstand voltage above 25V, capacity 10uF-100uF) to the motor’s positive and negative terminals to prevent the reverse spike from the motor. Break the MOS tube.
Note 4: 3 groups of batteries in series, please ensure that the voltage of each group of batteries, if not the same, please fill each battery separately and then use in series. The The Discharge test, the voltage drop faster battery that group is poor battery.
For some of the poor basis of electronic customers to explain: balanced charge is only auxiliary functions, try not to put a good battery and poor battery mixed together! 3 sets of battery capacity / resistance closer to the better! (2 good battery +1 Poor battery use effect = 3 poor battery use effect).
1* 3S 40A Protection Board
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