- Overview
- Product advantages
- Product Parameters
- BMS protection function
- Charging settings
- Program application
- Company Profile
- FAQ
Basic Info.
Product Description
specially designed
work with Qcepower 3.2V 280Ah prismatic battery.
Specially designed plastic cell
holder features fire proof and insulation
safety performance & longer cycle life
| Basic Parameters | JC-48280 |
| Nominal Voltage (V) | 51.2V |
| Nominal Capacity (Ah) | 280Ah @0.5C discharge current 25±2ºC |
| Nominal Power (Wh) | 14.3KWh |
| Dimension (mm) | 750*440*251mm |
| Weight (Kg) | 112±5KG |
| Discharge Cut-off Voltage (V) | 41.6V |
| Charge Voltage (V) | 57.6V |
| Continuously Charge/Discharge Current (A) | 140A @25±2ºC (Recommended) |
| Max Standard charge/discharge Current (A) | 200A @25±2ºC |
| Standard charge/discharge Current (A) | 140A @25±2ºC (Recommended) |
| Max Standard charge/discharge Current (A) | 200A @25±2ºC |
| Working Temperature | 0~50ºC(Charge) |
| -10~50ºC(Discharge) | |
| -20~55ºC(Storage) | |
| SOC Range | 5%-100% |
| Recommended SOC Range | 15-95% |
| Communication Interface | CAN (Default)or RS485 |
| Humidity | 10% - 85% |
| IP level | IP 20 |
over-discharge, over-current, over-temperature,
over-temperature and short circuit
ensure reliable safety and performance
Over discharge protection
Over current protection
Cell balancing
Temperature protection
CAN and RS485 communication…
| Battery type | Lithium |
| Charge curve | Fixed |
| Absorption voltage | 57.6V |
| Float voltage | 55V |
| Absorption time | 1Hr |
- Make sure to double check the float voltage after completing Assistants, and if necessary set it back to 55.0V.
- For off-grid use: ignore the 'BMS assistant required' warning.
set up:
| Parameter | Setting |
| DC input low shut-down | 43V |
| DC input low restart | 47V |
| DC input low pre-alarm* | 47V |
1.Stack the battery pack on the base. (Up to 4 bags can be stacked.)
2.Connect the cables between the packages.
3.Connect the cables to the inverter.
Q1: Can you give me a sample order for a portable power station?
A: Yes, we welcome samples to test and check the quality. Mixed samples are acceptable.
Q2. What about the lead time?
A: 3-5 days for Sample preparing ,8-10 working days for mass production.
Q3: Do you have a minimum order quantity for portable power stations?
A: Low MOQ, 1pc for sample checking is available.
Q4. How do you ship the goods and how long does it take to arrive?
A: Ship by DHL, UPS, FedEx or TNT. It takes 3-5 days to arrive. Airline and sea shipping also optional.
Q5. How to process an order for a portable power station?
A: First let us know your request or application.
Secondly, we offer according to your requirements or our suggestions.
Third: the customer confirms the sample and pays the deposit to formally order
Q6. Can my logo be printed on a portable power station?
A: Yes. Please inform us formally before our production.
Q7: Do you offer a warranty on portable power stations?
A: Yes, we offer 2 years warranty to our products.
Q8: How to deal with the faulty?
A: Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.2%.
Secondly, during the guarantee period, we will send new products with new order for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.