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| Categories | Lifepo4 Battery BMS |
|---|---|
| Place of Origin: | Guangdong, China |
| Brand Name: | ENERKEY |
| Model Number: | JW-2S15A-380 |
| Packaging Details: | Carton |
| Supply Ability: | 50000 Piece/Pieces per Month |
| MOQ: | 2 pieces |
| Price: | $6.90/pieces 2-99 pieces |
| Certification: | ISO9001/ROHS/CE |
| Application: | E-bike,toy's battery pack, Power Bank,Power tool |
| Type: | PCM |
| Features: | 2S Battery 15A Current |
| Mounting Type: | built-in |
| Size / Dimension: | L55*W20*T2.8mm |
| Description: | 18650 cell with bms |
| Base Material: | FR-4 |
| Board Thickness: | 1.5mm |
| Surface Finishing: | HASL Lead Free |
| Solder mask color: | Green.White.Black.Red.Yellow.Blue.Purple.Matte Green. Matte Black |
| Voltage: | 6.4 |
| Current: | 15A |
| Suitable for battery string: | 2S |
| Battery type: | LiFePO4 Battery |
| Protection function: | Overcharge ,Overdischarge ,Overcurrent ,Short-circuit |
| Company Info. |
| Shenzhen Juyi Science And Trade Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Electric Parameter | ||||||||||||
PCM Specifications For 7.4V(2S)Li-ion Battery Packs | ||||||||||||
Model:JW-B2S8A-014 | ||||||||||||
NO. | Project | Min. | Typ. | Max. | Unit | |||||||
1 | voltage | Charging voltage | 7.2 | V | ||||||||
Balance voltage for single cell | 3.55 | 3.6 | /3.65 | V | ||||||||
2 | Current | Balance current for single cell | 31 | 36 | 41 | mA | ||||||
Current consumption | 20 | uA | ||||||||||
Maximal continuous charging current | 20 | A | ||||||||||
Maximal continuous discharging current | 20 | A | ||||||||||
3 | Over charge protection | Overcharge detection voltage for single cell | 3.875 | 3.9 | 3.925 | A | ||||||
Overcharge detection delay time | 0.5 | 1.5 | S | |||||||||
Overcharge release voltage for single cell | 3.40 | 3.45 | 3.50 | V | ||||||||
4 | Over discharge protection | Overdischarge detection voltage for single cell | 1.95 | 2.00 | 2.05 | V | ||||||
Overdischarge detection delay time | 50 | 150 | mS | |||||||||
Overdischarge release voltage for single cell | 2.4 | 2.5 | 2.6 | V | ||||||||
5 | Overcurrent protection | Over current detection voltage | 175 | 200 | 215 | mV | ||||||
Over current detection current | 65 | 75 | 85 | A | ||||||||
Detection delay time | 5 | 15 | mS | |||||||||
Release condition | Cut load | |||||||||||
6 | Short protection | Detection condition | Exterior short circuit | |||||||||
Detection delay time | 200 | 500 | μS | |||||||||
Release condition | Cut load | |||||||||||
7 | Resistance | Protection circuitry (MOSFET) | 50 | mΩ | ||||||||
8 | Temperature | Operating Temperature Range | -40 | 85 | ℃ | |||||||
Storage Temperature Range | -40 | 125 | ℃ | |||||||||
A protection board and a battery management system (BMS) are both used to protect lithium-ion batteries, but they serve different functions.
A protection board is a small electronic circuit that is typically placed between the battery and the device it powers. It is designed to prevent overcharging, over-discharging, and short circuits.
Protection boards are relatively simple and inexpensive, and they are often used in applications where only basic battery protection is needed.
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