Description: BMS Battery Protection Board 4S 30A 14.8V 18650 AA AAA Lipo Li-ion Lithium Battery BMS Charger Protection Module Board Circuit

The control and balancing system provides individual control of the voltage and resistance of each battery element, distributes currents between the battery components during the charging process, controls the discharge current, determines the loss of capacity from imbalance, and guarantees safe connection and disconnection of the load.

If the maximum allowable supply voltage is exceeded, the charge controller activates the “protection” mode.In order to restore the operation of the module, it is necessary to re-energize the input of the BMS board or wait for a while until the charge controller automatically disconnects the protection.

Specifications:

Name: Protection board

Model:4S-30A

Over charge detection voltage: 4.28+ 0.05 V

Over charging voltage: 4.095-4.195V

Over discharge voltage: 2.55±0.08

Over charge detection delay time 0.1s

Temperature range -30-80

Short circuit detection delay time: 100ms

Over current detection delay time: 500 ms

Balanced current: 60mA

Working current: 30A

Over current: 60A

Short circuit protection function: there is, disconnect the load can be self recovery.

Size:45x56mm

Main function:

Over charge protection, over discharge protection function, short circuit protection

function, over current protection function, balance.

Interface definition:

Charging port of the plate and the discharge port is the same, both positive and B- connecting

battery”-“, P- charging port and port on the negative electrode;

B-, N-, P- pads are all over the hole, the hole diameter of the pad is 3.5mm;

The battery charging detection interface with DC output in the form of needle. Do the same mouth

when the N- is not wiring.

Precautions:

• Do not deliberately short circuit.
• After the line is connected, Need to charge first, then have output.
• When the battery is connected in series with 3 groups, Please ensure that the voltage of each battery is the same. If not same, please fill in each set of batteries and then use.
• Do not mix the good battery and the battery.
• The capacity of the battery internal resistance is closer will be better.
• Attention: Do not mix the good battery and poor battery to use. The internal resistance of 3 battery capacity are closer will be better. Please buyers know the professional knowledge of this module before buying

Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package Include:

• 1x BMS Battery Protection Board 4S 30A 14.8V 18650 AA AAA Lipo Li-ion Lithium Battery BMS Charger Protection Module Board Circuit

• Name: Protection board
• Model:4S-30A
• Over charge detection voltage: 4.28+ 0.05 V
• Over charging voltage: 4.095-4.195V
• Over discharge voltage: 2.55±0.08
• Over charge detection delay time 0.1s
• Temperature range -30-80
• Short circuit detection delay time: 100ms
• Over current detection delay time: 500 ms
• Balanced current: 60mA
• Working current: 30A
• Over current: 60A
• Short circuit protection function: there is, disconnect the load can be self recovery.
• Size:45x56mm