Guangdong Yijia Technology Co., Ltd.
| Number of LFP Series | 4S |
| Continuous Discharge | 100A 200A 300A |
| Max Discharge(Adjustable) | 100A-350A |
| Balancing Method | Active Balancing |
| Application | Electric Bicycles/Scooters |
| Balancing Current | 0~2A |
| Overcurrent Protection (Adjustable) | 100-600A |
| Model Number | ENJBMS2A4S200A |
| Brand Name | ENJBMS |
| Place of Origin | Guangdong, China |
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Product Specification
| Number of LFP Series | 4S | Continuous Discharge | 100A 200A 300A |
| Max Discharge(Adjustable) | 100A-350A | Balancing Method | Active Balancing |
| Application | Electric Bicycles/Scooters | Balancing Current | 0~2A |
| Overcurrent Protection (Adjustable) | 100-600A | Model Number | ENJBMS2A4S200A |
| Brand Name | ENJBMS | Place of Origin | Guangdong, China |
| High Light | Bluetooth Active Balancing BMS ，Active Balancing BMS 200A ，Active Balancing BMS 300A | ||
Designed specifically for sodium-ion batteries (Na-ion), not Li-ion
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Basic Configuration
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Function
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Configuration
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Number of strings supported
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4S
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Continuous current
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50A-300A
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Number of NTCs
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2 built in, 4 external
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Balance Function
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Active balancer 1A-3A
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UART (non isolated)
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Standard
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Switch function
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Optional (With/ Without)
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Charging current limit
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Optional (With/ Without)
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Battery packs in parallel
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Yes
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History record
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Optional (With/ Without)
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LCD display
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Optional (With/ Without)
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Bluetooth
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Optional (With/ Without)
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Heating function
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Optional (With/ Without)
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CAN communication
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Optional (With/ Without)
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RS485 communication
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Optional (With/ Without)
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Electrical parameters
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| Item | Symbol | Content | Criterion |
| Over charge Protection | VCU1 | Over charge detection voltage | 4.0+0.025V (settablel) |
| tCU1 | Over charge 1st detection delay time | 1+0.5S (settable) | |
| VCL1 | Over charge 1st release voltage | 3.8+0.05V (settable) | |
| Over discharge protection | VDL | Over discharge detection voltage | 2.0+0.08V (settable) |
| tDL | Over discharge detection delay time | 1+0.5S (settable) | |
| VDU | Over discharge release woltage | 4.20+0.1V (settablel | |
| Continue current | ICHG | Continue charge current | 50A-100A (settable) |
| IDIS | Continue discharge current | 50A-300A (settable | |
| Over current protection | OCIOV1 | Charge overcurrent detection current 1 | 300A (settable) |
| ODIOV1 | Discharge overcurrent detection current 1 | 1000A (settable) | |
| Short current protection | ISHORT | Short circuit detection current | Yes |
| tSHORT | Short circuit delay time | 500US | |
| Over Short current release | / | Over current & short current release | Load disconnection |
| Balance function | VBAL | Balance detection voltage | 3.0v (settable) |
| Balance release current | 2000mA | ||
| Temperature protection | NTC | NTC discharge temperature protection | 40-85 (settable) |
| Internal resistance | RCHG | Resistance in charge | <50mohm |
| RDIS | Resistance in discharge | <50mohm | |
| Current consumption | ISTB | Current consume in normal operation | <2250uA |
Company Details
Business Type:
Manufacturer
Year Established:
1998
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Established in March 1998, E&J focuses on toys, automotive lighting, new energy, lithium batteries and smart BMS systems. As one of the world’s earliest manufacturers of rechargeable batteries, we produce Ni-Cd, Ni-MH, Li-ion, LiPo and LiFePO4 batteries, alongside consumer green energy pr... Established in March 1998, E&J focuses on toys, automotive lighting, new energy, lithium batteries and smart BMS systems. As one of the world’s earliest manufacturers of rechargeable batteries, we produce Ni-Cd, Ni-MH, Li-ion, LiPo and LiFePO4 batteries, alongside consumer green energy pr...
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