MB31 Lifepo4 Battery Cell 8000 Cycle 3.2V 330Ah Rechargeable Battery Energy Storage Lifepo4 Battery

Product Description

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Product Image Product Detail Product Internal Structure
Model 3.2V 330Ah
Real Capacity 330Ah
Nominal Voltage 3.2V
Charge/Discharge current 1C
Max Charge/Discharge current(60s) 2C
Max Charge/Discharge Voltage 3.65V
Internal resistance ≤0.21mΩ
Charging Temperature 0~60°C
Discharging Temperature -30~60°C
Cycle Life ≥10000 times
Weight 5420±300g
Dimension(L*W*H) 208*174*72mm
Application Electric Power Systems, Home Appliances, Electric vehicles, Golf carts, electric scooter, electric bicycle, used cars and so on.
Battery Dimension
Component Accessories Accessory List
Note:
  • This item is 3.2V 330Ah item, the QR code is intact, Grade A+, Brand new.
  • The price come with Bus bars and Bolts, one battery will come with one set bus bar and bolt (e.g., If buy 4pcs battery, we will send 4pcs cells with 4 pcs busbars and 8pcs bolts). If need more please contact us online. Thank you!
  • The busbars size: 90*20*2mm (cooper plated with nickel) Screw size: M6
  • We will test all the battery Voltage, Internal resistance and capacity before delivery.
Manufacturing
Factory Testing Certificate Testing
Product Front View Product Side View
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Production Process 1 Production Process 2 Production Process 3
Assembly Process 1 Assembly Process 2 Assembly Process 3
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Quality Inspection 1 Quality Inspection 2 Quality Inspection 3
Packaging Standards:
  • * Use high hardness custom sponge to strengthen the battery
  • * 5 layers of dangerous goods export corrugated carton
  • * Positive and negative paste insulation tape
  • * We will label test data on each cell before delivery
  • * If customer have requirement, we can provide Wooden Packing for shipping.
Packaging Box Detail 1 Packaging Box Detail 2 Packaging Box Detail 3
FAQ
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 comes with FREE Bus bars and Bolts, one battery will come with one set bus bar and bolt (e.g., If buy 4pcs battery, we will send 4pcs cells with 4 pcs busbars and 8pcs bolts). If need more please contact us online. Thank you!
3). Can you test each battery PRIOR to shipping?
We will test all the battery Voltage and Internal resistance. Voltage: The deviation less than 0.01V. Resistance: The deviation less than 0.1mΩ.
4). What kind of the package of the cells?
Pack with strong package each cell into thickness PE foam or bag then into 5 layers strong carton.
5). 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.
6). How can I place the order?
Usually we accept alibaba trade assurance order online. For the RTS (ready for ship) product, if there is clear shipping cost or free shipping to your country, you can place order and pay directly after reading for all the details, or you can provide your shipping information to our sales they will create online order for you.
Reminder:
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.
Tips:
* These products are prototype batteries without protection board, you need to purchase a match one! Pls consult us.
* please consider before taking orders, place order means you have agreed. thank you for your cooperation!

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