All I have to say is this company has a fast response time, the cells are excellent quality and packaging is excellent as well. Definitely order from here.
—— Palombo from Italy
Thank you much for all your help. The cells arrived and everything is perfect I will be testing them and ordering more very soon thanks again.
—— Adam from USA
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Product Details:
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| Nominal Capacity: | 40Ah | Nominal Voltage: | 3.2V |
|---|---|---|---|
| Internal Impedence: | 0.45mΩ≤R≤0.65mΩ | Operating Votage: | / |
| Dimension: | 118.5*28.2*148.0mm | Battery Weight: | 935±15g |

Features:
·Widely used in Energy Storage System, EV, UPS and so on.
·Excellent performance
·High stability
·Long life time
Parameters:
Items | Specification |
Capacity | ≥40.0Ah |
Nominal Voltage | 3.18V(1C) |
Charge/Discharge voltage range | 2.5~3.65V(>0℃) |
Size | 118.5*28.2*148.0mm |
Standard charge | Constant current 40.0A |
Constant voltage 3.65V | |
Cut-off current 2.0A | |
Temperature 25±2℃ | |
Standard discharge | Constant current40.0 A |
Cut-off voltage2.5V | |
Temperature25±2℃ | |
Weight | 935±15g |
Energy density | 144Wh/kg(0.33C/0.33C) |
AC Impedance | 0.45mΩ≤R≤0.65mΩ |
Charge temperature range | -10~60℃ |
Discharge temperature range | -30~60℃ |
Room Temperature Cycle Life | ≥3000 times |
Details:
Temperature Cycle Life
Charging: 1C CC/CV to 3.65V
Discharge: 1C discharge to cut off voltage 2.0V
Temperature: 25℃/45℃/55℃

25℃ Fast Charge Cycle Life
Charging: 3.5C CC to 3.55V
Discharge: 1C discharge to cut off voltage 3.0V
Temperature: 25℃

| WhatsApp : | +8617763274209 |
|---|---|
| Skype : | +8617763274209 |
| WeChat : | 17763274209 |
| Email : | Elsa@lifepo4-battery.com |