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4s Li-Ion 40A 14.4V – 16.8V BMS with balance
Original price was: ₵95.00.₵85.00Current price is: ₵85.00.
In StockThis BMS balance board is designed for a lithium battery pack to equalize voltage and protect the cells. This module monitors and protects the charging and discharging processes of the cells, balances them, and serves as a low-voltage and over-charge cut-off.
5 in stock
Description
- MOSFET-based BMS modules may arrive “activated” or trigger during battery assembly. 16V across the load terminals will reset the module.
- Suitable for lithium batteries with a nominal voltage of 3.7V and a full voltage of 4.2V (Including 18650, 26650, polymer lithium batteries, no restrictions on the size)
- Product size: L:60 x W:45 x D:3.4mm
- Nominal voltage: 14.4V
- Fully charged voltage: 16.8V
- Continuous discharge current (upper limit): 40A Please reduce load current if FETS get too hot. If you do plan to drive this higher than 10A, we advise you to fit a heat-sink to the FETS with heat transfer compound. Alternatively, please add additional suitable cooling for better thermal management.
- Continuous charging current (upper limit): 20A, but make sure your cells are rated for this.
- Charging voltage: 16.8V
- The BMS will cut the load should one or more cells fall below ~2.9V.
- Connect 0V, 4.2V, 8.4V, 12.6V, 16.8V strictly according to the wiring diagram. When soldering the wires, please make sure nothing metallic touch any components on the board as this will cause a short circuit and damage the module board.
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