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JKBMS BD4A20S4P 7S-20S Active Balance BMS Balance Current 0.4A Continuous Current 40A Lifepo4 li-ion LTO Battery
● Number of Battery Strings:7S to 20S.
● Continuous Current:40A.
● Power supply mode:The battery pack is self-powered.
●Single cell voltage detection range:0-5V,error<10mV over full operating range,Typical error value<5mV.
● Support single cell voltage dropout detection.
● Balance current:400mA,Active Balance(Full State On).
● Wiring method:same port.
● Short Circuit Protection:Support.
● Bluetooth Function:Bluetooth Built-in,Support for Android /IOS Phone.
● Temperature detection:-40～125℃.
● Total voltage detection Detection range:0-100V,<0.5%FSR(FSR=full scale).
●Current Sense Shunt:-150A~300A,Error<0.5%FSR.
●SoC estimation accuracy:Error<8%(operating conditions).
● Battery remaining capacity:error range is less than 8%
● Total Cycle AH Cumulative value is half of the charge/discharge value.
●Operating power consumption:<5mA(without communication)/15mA(485/CAN).
● Standby power consumption:<2mA.
●Operating Temperature:-40~85°C.
● Storing Temperature:-40～95℃.
| Number of Battery Strings(Li-ion) | 7S-20S |
|---|---|
| Number of Battery Strings(Lifepo4) | 8S-20S |
| Number of Battery Strings(LTO) | 12S-20S |
| Balance Method | Active Balance(Full State On) |
| Balance Current | 0.4A |
| Conductive Resistance in Main Circuit | 2.8mΩ |
| Continuous Charge Current | 40A |
| Continuous Discharge Current | 40A |
| Maximum Discharge Current(MAX 2min) | 60A |
| Over Charge Protection Current(ADJ) | 10-40A |
| Other Interfaces(Default) | RS485 |
| Other Interfaces (Customized) | CANBUS |
| Size/mm | 110*73*18mm |
| Wiring Output | Common Port |
| Single Cell Voltage Range | 1-5V |
| Voltage Acquistion Accuracy | ±5mV |
| Over Charge Protection Voltage | 1.2-4.35V Adjustable |
| Over Charge Relese Voltage | 1.2-4.35V Adjustable |
| Over Current Detect Delay | 2~120S Adjustable |
| Over Discharge Protection Voltag | 1.2-4.35V Adjustable |
| Over Discharge Relese Voltage | 1.2-4.35V Adjustable |
| Quantity of Emperature Detection | 3Pcs |
| Temp Protection | YES |
| Short Circuit Protection | YES |
| Coulomb Counter | YES |
| Bluetooth Function | Support for Android & IOS phone |
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