LF280K LiFePO4 Battery Cells - Brand New Grade A with QR Code

Regular price $560.00
Shipping calculated at checkout.

Product Specifications:
Battery Type: LiFePO4
Voltage: 3.2V
Capacity: 280ah
Internal resistance: ≤0.25mΩ
Charge/Discharge current: 1C(A)
Max Charge/Discharge current(60s):2C (A) Charge/Discharge Cut-off Voltage: 3.65V/2.5V Dimension: W173.7±0.5*T72.0±1.0*H207.5±0.5mm
Tab distance: 123.0±0.3mmm
Charging Temperature: 0~60℃
Discharging Temperature: -30~60℃
Cycle Life: >=6000 cycles
Storage Temperature: -20~45℃ (Within 1 month) 0~35 ℃ (Within 1 year)
Storage Humidity <95%

1. Highly automated production equipment to ensure the consistency of the battery.
2. Square aluminum shell structure, high-precision explosion-proof valve design, good safety performance.
3. Low internal resistance, high discharge rate and stable discharge platform.
4. Green and environmental protection, ISO14000 certification, the products comply with GB and UN standards, and comply with ROHS.
5. Long cycle life.

1. A Cell will provide 1 busbar, 2 nuts, 2 spacers for free. (For example, 4 batteries will come with 4 bus bars, 8 crew caps and 8 spacers.) 2. Each battery should be used under strict monitoring and protection by BMS. 3. Be sure to charge the battery to full voltage before using it for the first time. | Frequently Asked Questions: A guide to charging lithium iron phosphate batteries. 4. We will match (capacity, voltage, resistance) all batteries before shipment. 5. The battery is suitable for experienced DIY enthusiasts.


1).Are the batteries Grade A, Brand New?

Yes, Grade A+ quality. The QR code is intact, Brand new.

2). Are the batteries come with busbars+bolts?

The price come with Busbar and Bolts, One battery will come with one set busbar and bolt(e.g.,if buy 4pcs battery, we will send 4pcs cells with 4pcs busbars and 8pcs bolts) If need more, please contact us online.

3). Can you test each battery PRIOR to shipping?

We will test all the battery Voltage and Internal resistance before shipping.

4). What kind of the package of the cells?

Pack with strong package, each cell into thinkness PE foam or bag then into 5 layers strong carton.

5).How can I place the order?

Please choose your right country and place an order online directly.

6). How can i do if i need more help for the order?

You can chat our sales online or send inquiry email, we will respond you ASAP.



DIY battery pack must get the cells balanced (same voltage ) before assembly. Later if there happens don't know how to assembled or wrong assembly is not accepted refund. Professionals will detected voltage/resistance/appearance and other issues before every shipment, we can only ensure that the single battery is good, when arrival you can test the cells within 15 days, after that means batteries have no problem, does not provide return nor refund. If you found problems you can contact us for return or refund. Battery can only be unused (the electrode intact, no welding, no wear, the appearance good) to provide return. Any return behavior buyers need to be responsible for shipping fee.


1).Warranty period:5 years(from the date of successful delivery),if the single battery capacity less than 80% initial capacity,take the test pictures or video to us,we will replace it or give satisfied solution.


2).If any miss or damaged for the shipping.Please contact us firstly, then send us the picture or video to check. In case of loss of cargo or the battery is damaged and can not be used or there is a greater risk of use, we will communicate with buyer if resend it or replace it or refund the product cost.If buyer send back the cells to seller,buyer should pay for the shipping cost.

3).These situations not provide return nor refund

  1. After the assembly or assembly process happen any problem, such as the protection board connected to the wrong wire burned lead to battery damage, charger failure, the assembly error or unbalanced assembly, etc.
  2. For damage caused , such as battery bulge/welded, battery pack without protection BMS caused by charging.



*These products are prototype batteries without protection board,you need to purchase a match one! You can check our shop and search BMS.

*please consider before taking orders, place order means you have agreed. thank you for your cooperation!


Why choose blackcell?

Accept OEM/ODM Service
Warranty period of five years
Product Usage

For engine start batteries, e-bikes/motorcycles/scooters, golf carts/trolleys, power tools...solar and wind power systems, motorhomes, caravans