Guangdong Yijia Technology Co., Ltd.
| Number of LFP Series | 4S |
| Continuous Discharge | 50A-300A |
| Overcharge Release Voltage | 3.50V |
| Over-discharge Protection Voltage | 2.50V |
| Overcurrent Protection (Adjustable) | 100-600A |
| Balancing Current | 0~2A |
| Application | Electric Bicycles/Scooters |
| Max Discharge(Adjustable) | 100A-350A |
| Overcharge Protection Voltage | 3.65V |
| Over-discharge Release Voltage | 3.00V |
| Balancing Method | Active Balancing |
| Model Number | ENJBMS2A4S |
| Place of Origin | Guangdong, China |
| Brand Name | ENJBMS |
View Detail Information
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Product Specification
| Number of LFP Series | 4S | Continuous Discharge | 50A-300A |
| Overcharge Release Voltage | 3.50V | Over-discharge Protection Voltage | 2.50V |
| Overcurrent Protection (Adjustable) | 100-600A | Balancing Current | 0~2A |
| Application | Electric Bicycles/Scooters | Max Discharge(Adjustable) | 100A-350A |
| Overcharge Protection Voltage | 3.65V | Over-discharge Release Voltage | 3.00V |
| Balancing Method | Active Balancing | Model Number | ENJBMS2A4S |
| Place of Origin | Guangdong, China | Brand Name | ENJBMS |
| High Light | 2A Smart Active Balancer ，Smart Active Balancer 4S | ||
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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
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Symbol
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Content
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Criterion
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Over charge Protection
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VCU1
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Over charge detection voltage
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3.75+0.025V (settablel)
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tCU1
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Over charge 1st detection delay time
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1+0.5S (settable)
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VCL1
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Over charge 1st release voltage
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3.60+0.05V (settable)
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Over discharge protection
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VDL
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Over discharge detection voltage
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2.50+0.08V (settable)
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tDL
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Over discharge detection delay time
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1+0.5S (settable)
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VDU
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Over discharge release woltage
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3.00+0.1V (settablel
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Continue current
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ICHG
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Continue charge current
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50A-100A (settable)
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IDIS
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Continue discharge current
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50A-300A (settable
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Over current protection
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OCIOV1
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Charge overcurrent detection current 1
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300A (settable)
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ODIOV1
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Discharge overcurrent detection current 1
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1000A (settable)
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Short current protection
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ISHORT
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Short circuit detection current
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Yes
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tSHORT
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Short circuit delay time
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500US
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Over Short current release
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/
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Over current & short current release
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Load disconnection
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Balance function
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VBAL
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Balance detection voltage
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3.0v (settable)
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Balance release current
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2000mA
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Temperature protection
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NTC
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NTC discharge temperature protection
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40-85 (settable)
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Internal resistance
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RCHG
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Resistance in charge
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<50mohm
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RDIS
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Resistance in discharge
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<50mohm
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Current consumption
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ISTB
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Current consume in normal operation
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<2250uA
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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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