ODM/OEM 18 Years Manufacturer PCM Protection Circuit Module BMS 4s 8A for Li-ion LiFePO4 Lithium Iron Phosphate Battery with Smart BMS
| US$10.00 - 50.00 | 1 Piece (MOQ) |
SHENZHEN AYAA TECHNOLOGY CO., LTD.
Guangdong, China
Last Login Date:
Sep 19, 2025
Main Products:
PCM BMS for Lithium Battery Pack, PCM BMS for Li-Polymer Battery Pack, PCM BMS for LiFePO4 Battery Pack, Lithium Battery Pack, Li-ion Li-Po Battery Pack, LiFePO4 Battery Pack, Charger for Lithium Battery Pack, Charger for Li-ion Li-Polymer Battery Pack, Charger for LiFePO4 Battery Pack
Product Description
Company Info
Basic Info.
Product Description
| Model: PCB-4S7A-01 | ver: A | |
| Test item (Test at normal temperature 25±2ºC) | Criterion | |
| Voltage | Charging voltage | DC: 16.8V CC/CV(4.2v/Cell)4S |
| Supply Current | Normal operating mode Self consumption current | ≤30uA |
| Max continuous charging current | 8A | |
| Max continuous discharging current | 8A | |
| Over-charge Protection (single cell) | Over charge detection voltage | 4.25±0.05V |
| Over charge detection delay time | 0.5S-2S | |
| Over charge release voltage | 4.05±0.1V | |
| Over discharge protection (single cell) | Over discharge detection voltage | 2.5±0.05V |
| Over discharge detection delay time | 10-200mS | |
| Over discharge release voltage | 3.0±0.1V | |
| Current protection (Battery pack) | Discharge Over current detection current | 25±5A |
| Detection delay time | 5ms-50ms | |
| Release condition | Cut load, Auto Recovery | |
| Short protection | Detection condition ☆ | Exterior short circuit |
| Detection delay time | 200-600us | |
| Release condition | Cut load | |
| Resistance | Main loop electrify resistance | ≤ 20mΩ |
| Temperature | Operating Temperature Range | -40~+85ºC |
| Storage Temperature Range | -40~+125ºC | |
| SIZE: L50*W16*T3 mm | ||
| NTC: / Temperature switch: / ºC (the batteries temperature) Weak current switch:/ Activation Method:/ | ||
1. The factory covers an area of 4,00 square meter, have a series of automatic equipment& semi-automatic equipment, and production capacity has reached 100,0pcs/day.
2. ISO9001 certified factory: passed ISO9001:2015 inspection, strictly controlled the working environment.
3. Quality assurance: Use high-quality material and build a comprehensive quality control system from parts to finished products. Importantly 100% production inspection.
4. Professional R&D center: to cooperate with the specification, proofing process, and free samples, OEM and ODM are warmly welcomed.
5. Low MOQ: Strength factory, strong production capacity,
6. Lithium battery certification with CE/CB/IEC62133/KC/PSE/ROHS/ERRCS/UN38.3, etc.
Most of our sales and technical team has rich lithium battery experiences of more than 10 years.
