| Customization: | Available |
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| Type: | Lithium-Ion Battery Pack |
| Connection Mode: | Series and Parallel |
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| MODEL | EL4850-50 | |
| Electrical Characteristics |
Rated voltage | 51.2V |
| Rated Capacity | 50AH | |
| Energy | 2560Wh | |
| Internal Resistance | ≤60m | |
| Cycle Life | ≥3500 cycles @ 80% DOD, 25ºC, 0.2C ≥3000 cycles @ 80% DOD, 25ºC, 1C |
|
| Design Life | ≥10 years | |
| Months Self Discharge | ≤2%, @35ºC | |
| Efficiency of Charge | ≥98% | |
| Efficiency of Discharge | ≥99% @ 0.2C ≥96% @ 1C |
|
| Charge | Charge Cut-off Voltage | 59.2V±0.1V |
| Charge Mode | 0.5C to 57.6V, then 57.6V charge current to 0.01C (CC/CV) |
|
| Charge Current | 25A | |
| Max. Charge Current | 30A | |
| Continuous Current | 25A | |
| Limit charge current | 10A/20A Optional | |
| Discharge | Max. Continuous Discharge Current |
50A |
| Discharge Cut-off Voltage | 41.6V±0.2V | |
| Other | Plastic Case | Iron (Insulation painting) |
| Output Interface | Terminal block | |
| Protective function | Over charge, Over discharge, Over current, Over temperature, Short circuit |
|
| Communication Interface | RS485/RS232 | |
| Dry contact | YES | |
| Max parallel connection | 16PCS | |
| SOC Light | 4*LED | |
| Environmental | Charge Temperature | -5ºC~60ºC (Under 0ºCwith reduced charge current) |
| Discharge Temperature | -20ºC~60ºC (Under 0ºCwork with reduced capacity) |
|
| Storage Temperature | -40ºC~55ºC@ 60%±25% relative humidity | |
| Operating Humidity | 20-90% (No condensation ) | |
| Water Dust Resistance | Ip20 | |
| Weight | Net weight(kg) | 31 |
| Dimension | L*W*H(mm) | 450*494*134mm(3U) |
| Model | 48V 50AH | |
| Nominal Voltage | 51.2V or 48V | |
| Voltage range | 40-54 | |
| Nominal Capacity | 100Ah | 150Ah/200Ah available |
| Dimension | 500*440*270mm | Customized |
| Weight | 60kg | |
| Continuous Discharge Current | 50A | Customized |
| Peak Discharge Current | 100A | Customized |
| Max Charge Current | 25A | |
| Max Charge Voltage | 14.6V | |
| Cut-off Discharge Voltage | 9.2V | |
| Cycle life | Above 3500 cycles | |
| Certificate | CE,RoHs,UN38.3,IEC62133 | |
| Housing | Metal case | Customized |
| Lead time | 20-30 days for production,7-15 days for samples, depending on stock and quantity. | |
| Operation Temperature | -10~60ºC | |
| DOD(Depth of Discharge) | 80%(10-90%) | |
| Protection | BMS | |
| Humidity | 5%~95% | |
| IP level | IP20 | |
| Communication port | RS232, RS485, | |
| cabinet | it can do for the battery and more safety | |
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