3s 4s 25A BMS for 14.8V Li-ion/Lithium/Li-Polymer 12V LiFePO4 Battery Pack with Smbus and Bluetooth (PCM-L04S25-D56)
Product Description
Product name:Protection Circuit Module
Model No:PCM-L04S25-D56
For 3S-4S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 3~4 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs;
2. Maximum continuous working current 25A, same interface for charging/discharging;
3. Overcharge, overdischarge, short circuit, overcurrent, temperature protection, etc.;
4. Ti BQ20Z95+BQ24618 is adopted;
5. Through the PCM-LCD001-415 display screen, the required information can be read;
6. With bluetooth function, mobile APP connection;
7. Connected to the special upper computer software, can display the total voltage, each battery voltage, capacity, current, temperature, cycle times and other parameters;
Items | Specifications | ||
Lithium-ion/Lithium Polymer | LiFePO | ||
Communication Interface | SMBus | ||
Capacit | Designing battery capacity(PCM) | 50Ah | |
Max capacity(Battery pack) | 150Ah | ||
Min capacity(Battery pack) | 100mAh | ||
External capacity Indication | LCD,LED | ||
Gas gauge algorithm | CEDV | ||
Voltage | Charging voltage | CC/CV:16.8V(4.2V/Cell) | CC/CV:14.4V(3.6V/Cell) |
Cell-balance window | 50mV±10% | ||
Cell-balance release voltage | 20mV±10% | ||
Cell-balance detection delay time | 0.5~2s | ||
Current | Balance current for single cell | 66±5mA | 56±5mA |
Normal operating-mode current (Gas Gauge IC) | 500 uA | ||
SLEEP operating-mode current (Gas Gauge IC) | 200 uA | ||
FULL SLEEP operating-mode current (Gas Gauge IC) | 1 uA | ||
Maximal continuous charging current | 25A(Max) | ||
Maximal continuous discharging current | 25A(Max) | ||
Over charge Protection | Over charge detection voltage | 4.25±0.025V | 3.80±0.05V |
Over charge detection delay time | 1~2S | 1~2S | |
Over charge release voltage | 4.05±0.05V | 3.55±0.05V | |
Over discharge protection | Over discharge detection voltage | 2.5±0.07V | 2.00±0.05V |
Over discharge detection delay time | 1~2S | 1~2S | |
Over discharge release voltage | 3.0±0.1V | 2.7±0.05V | |
Over current protection | Over current detection voltage | 0.2±0.015V | |
Over current detection current | 70±5A(adjustable) | ||
Detection delay time | 5~60ms | ||
Release condition | Cut load | ||
Short protection | Detection condition | Exterior short circuit | |
Detection delay time | 200-800us | ||
Release condition | Cut load | ||
Resistance | Protection circuitry (MOSFET)B+ to P+ | ≤50mΩ | |
Temperature protection | Charge temperature protection | 60ºC±5ºC | |
Charge release temperature | 50ºC±5ºC | ||
Discharge temperature protection | 65ºC±5ºC | ||
Discharge release temperature | 55ºC±5ºC | ||
Operating Temperature Range | -40~+85ºC | ||
Storage Temperature Range | -40~+125ºC | ||
Dimension | L130*W37*T8mm |