lifepo4 battery cell
Specification
| Project | Specification | Condition |
| Nominal Capacity | 14Ah | 25±2℃,0.5C/0.5C |
| Minimum Capacity | 13.8Ah |
| Operating Voltage | 2.5-3.6V | |
| Nominal Voltage | 3.2V | |
| AC Intern4al Resistance | 1.0mQ<IR<3.0mQ | AC 1kHz,30% 8SOC
Standard Deviation<0.2mQ standard <0.2mQ |
| Cell Weight | 275±10g | contain package |
| Energy Density | 164Wh/kg | |
Operating
Temperature | Charging Temperature | -10~60℃ | No matter what charging and discharging mode
the cell is in, once the cell surface temperature
exceeds this range, the charging and discharging
should be stopped. |
| Discharge Temperature | -30~60℃ |
| Storage Temperature | -20~45℃ | 3 months |
| -10~25℃ | 6 months |
| Cycle Life | Standard Cycle | >3000 cycles | 25±2℃,0.5C/0.5C,80% SOH |
| Fast Charge Cycle | >5000 cycles | 25±2 ℃,fast charge/IC discharge,70% SOH
25±2℃,70% SOH |
| Appearance | Without break, scratch, distortion, contamination, leakage and so
on |
| Project | Specification | Condition |
| Standard Charging Mode | 0.5C CC/CV,cut off3.6V/0.05C
0.5C 3.6V/0.05C |
| Standard Charging Cunent | 0.5C | |
| Max. Continuous Charging CuiTent | -10~0℃ | 0~10℃ | 10-20℃ | 20-45℃ | 45-50℃ | 50~60℃ |
| 0.2C | 033C | 0.5C | IC | 0.5C | 0.2C |
Standard End-of-charge Voltage
标准充电截止电压 | 3.6V | |
| Max. End-o仁charge Voltage | 3.8V | No matter what charging mode the cell is in,
once the cell voltage exceeds this range, the |
| Fast Charge Charging Time | 30min | 30%~80%SOC,25℃ |
| Optimum Charging Temperature Range | 15-40℃ | cell surface temperature |
| Max. Charging Temperature Range | -10-60℃ | No matter what charging mode the cell is in,
once the cell surface temperature execeds this
range, the charging should be stopped |
| 5.3. Discharge Parameters |
| Project | Specification | Condition |
| Standard Discharge Mode | 0.5C CC,cut off2.5V |
| Standard Discharge CuiTent | 0.5C | 1 |
| Max. Continuous Discharge Current | 3C | 15-45℃ |
| Max. Discharge Pulse Current | 100A(10s | 15-45℃ |
| End-of-discharge Voltage | 2.5V | 15-45℃ |
| Max. Discharge Temperature Range | -30-60℃ | No matter what discharge mode the cell is in,
once the cell surface temperature exceeds this
range, the discharge should be stopped |
Electrical Performance
| Project | Specification | Condition |
Discharge Capacity Retention Rate
at Different Temperatures | 55℃/25℃ | >100% | 552℃,0.5C, cut off2.5V |
| 0℃/25℃ | >85% | 0±2℃,0.5C,cut off2.0V |
| -10℃/25℃ | >75% | -10±2℃,0.5C,cut off1.8V |
Discharge Capacity Retention Rate
at Different Rates | 1C/0.5C | >98% | 25±2℃,IC |
| 2C/0.5C | >98% | 25±2℃,2C |
| High Temperature Storage | Charge Retention Rate | >95% | 552℃,7 days,0.5C/0.5C |
| Capacity Recovery Rate | >96% |
| Nomial Temperature Storage | Charge Retention Rate | >96% | 25±2℃,28 days,0.5C/0.5C |
| Capacity Recovery Rate | >97% |
Safety Performance
| Project | Test Method | Inspection Standard |
| Forced-discharge Test | 8.4.1(GB 380318.1.2) | No fire, no explosion |
| Overcharge Test | 8.4.2(GB 380318.13) | No fire, no explosion |
| Short-circuit Test | 8.4.3(GB 380318.1.4) | No fire, no explosion |
| Heating Test | 8.4.4(GB 380318.1.5) | No fire, no explosion |
| Temperature Test | 8.4.5(GB 380318.1.6) | No fire, no explosion |
| Crush Test | 8.4.6(GB 380318.1.7) | No fire, no explosion |
| Drop Test | 8.4.7(GB/T 314856.2.5) | No leakage, no fire, no explosion |
| Impact Test | 8.4.8(UL164214) | No fire, no explosion |
| Yibration Tes | 8.4.9(UL164216) | No leakage, no fire, no explosion |
| Low-pressure Test | 8.4.10(ULI64219 | No leakage, no fire, no explosion |
FAQ
Q1. Can I have a sample order?
A: Of Course, we welcome to place sample order even we can help you
customized your sample according to your requirements.
Q2. What about the lead time?
A:Sampleusually needs10-15 days, mass production time needs 4-5
weeks, it depends on order quantity and battery requirement.
Q3.How can guarantee quality?
Always a pre-production sample before mass production; Always final
Inspection before shipment.
Q4. What is the order procedure?
Step 1: Receive Customer requirements
Step 2: Offer solutions accordingly
Step 3: Sample order placement and Quality confirmation from
customer side
Step 4: Batch order with after sales service
Q5. Do you offer OEM and ODM solutions?
A:Yes, we do offer OEM and ODM solution based requirements. Under
OEM terms we can place customer’s brand logo on the product. MOQ is
very small for OEM service, Please consult us before placing the
order.
Q6. Are you a manufacturer or a trade company?
A: We are a manufacturer, specialize in making ESS with Lithum
Battery, BMS, LifePo4 Battery PACK and LFP Lithum cells.
Q7. How much is the freight cost of samples?
A: It’s depends on weight, packing size and destination. Please
contact us if you need, we can get the quote for you.
Q8. What is the shipping method?
A: It could be shipped by sea, by air or by express
(EMS,UPS,DHL,TNT,FEDEX and etc.)Please confirm with us before
placing orders.
Q9. What is the payment terms?
A: T/T,L/C,Western Union is available. Please contact us.
Q10. What is the payment condition?
A: 30% deposit to confirm the order,70% balance before the
shipment.
Q11. what can you buy from us?
BESS Battery/Residential BESS/All In One ESS/Wall Mounted Battery
Storage/Commercial Battery Storage Systems/12V Lifepo4
Battery/Lifepo4 Portable Power Station/Lifepo4 Battery
Module/Lifepo4 Battery Cell/Dc Ev Charger/Ac Ev Charger/Single
Phase Hybrid Solar Inverter.
