Guangdong Yijia Technology Co., Ltd.
| Application | Battery Pack |
| Charge/Discharge Voltage | 0-15 V |
| Type | Current |
| Accuracy Class | ±1% |
| Voltage Range | 8-80V |
| Maximum Measuring Voltage | 80V |
| Support Battery | all |
| Brand Name | E&J |
| Model Number | EJ-BM21 |
| Place of Origin | Guangdong, China |
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Product Specification
| Application | Battery Pack | Charge/Discharge Voltage | 0-15 V |
| Type | Current | Accuracy Class | ±1% |
| Voltage Range | 8-80V | Maximum Measuring Voltage | 80V |
| Support Battery | all | Brand Name | E&J |
| Model Number | EJ-BM21 | Place of Origin | Guangdong, China |
| High Light | App Monitoring Smart Battery Monitor ，Smart Battery Monitor 75A ，500A Shunt Battery Monitor | ||
1. Real-Time Bluetooth Monitoring (App Support)
Stay informed with the Smart Battery Monitor App. Track your State of Charge (SoC), voltage, current, and power consumption remotely via Bluetooth. Perfect for RV and Caravan power management.
2. High Precision 500A Current Shunt
Equipped with a professional 500A Shunt, this Coulometer provides ±1% accuracy. It measures the exact Amp-hours (Ah) flowing in and out of your LiFePO4, Lithium, or Lead-Acid battery banks.
3. All-in-One Data Dashboard
Displays comprehensive data including Voltage, Remaining Capacity, and Time-to-Go. No more "range anxiety"-know exactly how much power you have left for your Off-grid Solar System or Boat.
4. Universal Compatibility & Easy
Setup Versatile 12V 24V 48V Battery Monitor compatible with a wide voltage range (10V-80V).
5. Intelligent Alarms & Safety
Monitoring Features programmable Low Voltage and Capacity Alarms. Protect your expensive Lithium Battery from over-discharge.
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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