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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
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 | | | | ||||||
| | 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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