DALY Smart BMS 4S 12V 100A LiFePO4 Battery Management System

* Please note that some photos of BMS below are for illustration purposes only.  The actual photo is what you see in the product photo.

Please be advised that we do not provide a warranty for this product.
The primary reason is that we cannot predict or control how the product will be used by individual customers.
The performance and longevity of the product can vary greatly depending on factors such as installation, usage, and maintenance, which are outside of our control.
We encourage all customers to carefully follow the provided guidelines for installation and use to ensure optimal performance.
If you experience any issues or need assistance, please don’t hesitate to contact us for troubleshooting support.
Thank you for your understanding.

6 Safety Protection:

1. Overcharge protection
2. Over-discharge protection
3. Over current protection
4. Temperature protection
5. Short circuit protection
6. Drop protection

BMS Wiring:

 The BMS automatically activiates when it is used for the first time.
If the protection board is hibernated, it can be activated in four ways:
1. Key Switch
2. Press Buttons on bluetooth module or SOC indicator.
3. Using CAN/RS485 communication or connect Bluetooth to Mobile App
4. Charge or Discharge the battery.
(Before BMS is activated, please make sure that the bms, the cable, the battery are connected correctly and the NTC is connected with the BMS)

Wiring Operation:

(1) First connect the B-line of the protection board to the total negative pole of the battery pack;

(2) The cable starts from the thin black line connecting B-, the second line connects the positive pole of the first string of batteries, and the next string is connected in turn. The positive pole of the pool; then insert the cable into the protection board;

(3) After the wiring is completed, measure whether the battery B+, B-voltage and P+, P-voltage values are the same, the same, that is, the protection board works positively. otherwise

please follow the above re-operation;

(4) When removing the protection board, first pull out the cable (if there are two cables, pull

the high-voltage cable first, then pull the low-voltage cable), then remove Power line B-.

Items needed Attention (From Manufacturer)

1. Lithium battery BMS with different voltage platforms cannot be used mutually, eg., Life Po4 BMS cannot be used for Li-ion batteries.
2. In utilization, please make sure to follow up on the designed parameter and utilization conditions.
3. Charge and discharge current cannot be higher than the quoted current value in the specification.
4. Please utilize the BMS in the regulated working temperature range, and make sure of a good heat dissipation environment.
5. No self-taking off and changing parts in BMS.
6. Our product has the function of waterproof but still suggests avoid of long-time water immersion.
7. We conduct the Anode Oxidation process in the BMS dissipation plate, but when the Oxidation layer is destroyed, it still may cause electrical conduct. It is still suggested to avoid Dissipation plate contact with Cell and Nickel band.
8. If the protection board is abnormal, please stop using it, and then solve the problem and use it again;
9. Do not use two protective plates in series or in parallel.