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| Categories | Lifepo4 Battery BMS |
|---|---|
| Model Number: | JW-B21S80A-897 |
| Place of Origin: | Guangdong, China |
| Brand Name: | ENERKEY |
| Packaging Details: | Carton |
| Supply Ability: | 50000 Piece/Pieces per Month |
| MOQ: | 5 pieces |
| Price: | $16.80/pieces 5-999 pieces |
| Certification: | ISO9001/ROHS/CE |
| Base Material: | FR-4 |
| Copper Thickness: | 1oz |
| Board Thickness: | 1.6mm |
| Min. Hole Size: | 0.2mm |
| Min. Line Width: | 0.1mm |
| Min. Line Spacing: | 0.1mm |
| Surface Finishing: | HASL Lead Free |
| Working Current: | 80A |
| Voltage: | 67.2V(LFP) & 77.7V(NCM) |
| Suitable for battery string: | 21S |
| Battery type: | Lifepo4/lithium Battery |
| Size: | L136*W67*T20 mm |
| Solder mask color: | Green.Black.Red.Yellow.White.Blue.Purple.Matte Green. Matte Black |
| Application: | Digital Equipment, Electrice, Ebike, etc |
| Protection function: | Overcharge ,Overdischarge ,Overcurrent ,Short-circuit |
| Other functions: | Thermistor temperature protection |
| Support communication function: | RS485 , CAN , Bluetooth |
| Port: | shenzhen |
| Company Info. |
| Shenzhen Juyi Science And Trade Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Electric Parameter | ||||||||||||
NO. | Project | Min. | Typ. | Max. | Unit | |||||||
1 | Parameter | Charging voltage | 75.6 | V | ||||||||
Working current | 80 | A | ||||||||||
Usage(Li-ion battery packs) | 77.7 | V | ||||||||||
Usage(LiFePO4 battery packs) | 67.2 | V | ||||||||||
Balance voltage for single cell | 3.175 | 3.2 | 3.225 | Vc | ||||||||
Balance current for single cell | 40 | 50 | 60 | mA | ||||||||
2 | Overcharge protection | Overcharge detection voltage for single cell | 3.725 | 3.75 | 3.775 | V | ||||||
Overcharge detection delay time | 0.5 | / | 1.5 | S | ||||||||
Overcharge release voltage for single cell | 3.45 | 3.5 | 3.55 | V | ||||||||
3 | Overdischarge protection | Overdischarge detection voltage for single cell | 2.45 | 2.50 | 2.55 | V | ||||||
Overdischarge detection delay time | 0.5 | / | 1.5 | S | ||||||||
Overdischarge release voltage for single cell | 3.45 | 3.5 | 3.55 | V | ||||||||
4 | Overcurrent protection | Over discharge current protection | 150 | 200 | 250 | A | ||||||
Detection delay time 1 | 500 | / | 1500 | mS | ||||||||
Detection delay time 2 | 500 | / | 1500 | mS | ||||||||
Overcharge current protects current | 150 | 200 | 250 | A | ||||||||
Detection delay time | 500 | / | 1500 | mS | ||||||||
5 | Short-circuit protection | Short-circuit protection current | / | / | / | A | ||||||
Short-circuit detection delay time | 50 | / | 800 | μS | ||||||||
Protection condition | Exterior short circuit | |||||||||||
Release condition | Cut load,Auto recovery | |||||||||||
6 | Temperature | MOSMOS temperature protection | / | / | / | ℃ | ||||||
Charge high temperature protection | 55 | 60 | 65 | ℃ | ||||||||
Charge low temperature protection | / | 0 | / | ℃ | ||||||||
Discharge high temperature protection | 55 | 60 | 65 | ℃ | ||||||||
Discharge low temperature protection | -25 | -20 | -15 | ℃ | ||||||||
Release condition | The temperature drops to 55ºC, charge release | |||||||||||
Operating temperature range | -20 | / | 60 | ℃ | ||||||||
Storage temperature range | -20 | / | 60 | ℃ | ||||||||
7 | Current | Current consumption (sleeping) | 50 | uA | ||||||||
Current consumption(working) | 10 | mA | ||||||||||
Maximal continuous charging current | 80 | A | ||||||||||
Maximal continuous discharging current | 80 | A | ||||||||||
Maximal discharging current (time) | None | |||||||||||
7 | Resistance | The on-state resistance of the main circuit | / | / | 5 | mΩ | ||||||
8 | Break circuit protection | Disconnect the voltage sampling circuit to turn off the charge and
discharge | Support | / | ||||||||
9 | NTC Protection | Thermistor temperature protection | Support | / | ||||||||
10 | Electronic switch | Support | / | |||||||||
11 | Reverse polarity protection | Nonsupport | / | |||||||||
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