DALY Smart Board LifePO4 4S 30-250A 4 String 12V Lithium Iron Phosphate Battery Protection Board with Bluetooth COD

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Product Parameters:

Discharge current (A)	30	40	50	60	80	100	120	150	200	250	300	400	500
Discharge overcurrent protection value(A)	45	60	75	90	120	150	180	225	300	375	450	600	750
Charge current (A)	15	20	25	30	40	50	60	75	100	125	150	200	250
Charge overcurrent protection value(A)	45	60	75	90	120	150	180	225	300	375	450	600	750
Main Circuit Conduct Inner resistance
	Balance voltage
Detect voltage : LifePo4: 3.75±0.05V
Protection delay: 1S
Release voltage: LifePo4: 3.55±0.05V
	Over Discharge current protection
Detect voltage: LifePo4: 2.2±0.05V
Protection delay: 1S
Release voltage: LifePo4: 2.5±0.05V
	Self Consumption
Protection conditon: Short circuit of external load
Detect delay: 200~500uS (Subject to actual test)
Release condition: Off load
Working Temp Temp range: -20~60℃

Package includes:

1 x BT

1 x Cable

1 x Battery Protection Board (Regular version)

1. Remember!!! When welding sampling wire cable, do not insert the cable into the BMS. 2. The cable connects the total negative electrode B-from the fine black line. The second wire (red wire) is connected to the positive pole of the first string of batteries.Connect the positive electrode of each string of batteries in turn until the last wire cable of the total positive B+. 3. After the cable is connected, do not insert the plug directly into the BMS.First measure the voltage between each two adjacent metal terminals on the back of the plug. If it is a ternary lithium battery, the voltage should be between 3.0~4.15V, and the iron-lithium battery should be 2.5~ Between 3.6V, lithium titanate battery should be between 1.8-2.8V, make sure the voltage is correct before proceeding to the next step. 4. Receive the BMS B-line (blue thick line) to the total battery negative electro-de (B-line length should not exceed 40cm). 5. Insert the wire cable into the BMS. 1. Measure whether the voltage of battery B+, B- is equal to the voltage of B+ and P- (that is, whether the voltage of the battery pack itself is e- qual to the voltage after passing through the protection board, if they are equal, the BMS is working normally, which can be used normally. If not, please follow Re-check the queue of the wiring above. 2. The positive electrodes of the charging and discharging end are all directly connected to the total positive pole B+ of the battery; the wiring method of the same port BMS is that the charging and discharging negative poles are connected to the P- point of the BMS; the wiring m- ethod of the branch BMS is the negative pole of charging Connected to C-, the negative electrode of discharge is connected to P-. 3. Finally, if you have any questions, please contact the customer service to help you solve it.