Heavy Duty LiFePO4 Lithium Battery 3.2V 33Ah For Energy Storage System
3.2V 33Ah LiFePO4 Lithium Battery , Heavy Duty , for Energy Storage System
Product advantages
- Long cycle life: More than 2000 times, 80% capacity remain.
- High safety: No fire and explosion in overdischarge & overcharge test.
- Good charging and discharging performance.
- Wide working temperature range: From -30℃ to 60℃
- Environmental-friendly.
Parameters
| Cell Dimensions (L*W*H) | 175*10*255 mm (without tab)175*10*290 mm (with tab) |
| Cell Weight | 800 ± 20 g |
| Rated Capacity(C/3 Discharge, 23°C ) | ≥ 33,000 mAh |
| Charge Voltage | 3.65 V ( CC/CV charge mode)(3.4 V for floating charge) |
| Operating Voltage | 3.2 V @ C/3, 23°C/73°F(2.0 V Cut-off) |
| Standard ChargingCurrent | ≤ 11 A (C/3, 23°C/ 77°F) |
| Max Charging Current | 16.5 A (C/2, 23°C/ 77°F) |
| Standard DischargeCurrent | ≤ 16.5 A (C/2, 23°C/ 77°F) |
| Max Discharging Current | 33 A @continuous (1C, 23°C) 66 A @10sec (2C, 23°C) |
| Internal Resistance | ≤ 3 mΩ |
| Operating Temperature | Charge: 0°C ~ 45°CDischarge: -20°C ~ 55°C |
| Cycle Life(23°C, at +/- C/3 rate) | ≥ 2,000 times @ 80%DOD |
| Standard ChargingMethod ( CC / CV mode ) | C/3 Constant Current to 3.65V Limit, then Constant 3.65V Voltwith Current Taper to C/20. |
Charging and Discharging Curve
Company Advantages
- Our staff has more than 10 years of accumulated battery engineering and manufacturing experience.
- Our R&D colleagues are from the top 2 university and scientific institution of studying lithium chemical in china
- Premier custom battery pack manufacturer. More than 8 years exporting experience to USA and Europe market.
- Strict Quality Control: We set strict QC standards include appearance, package, internal structure, electric performance etc.
- We promise to offer our customers high quality battery. Customer first culture: 80% of our customers are 5 years above long term partners.
- 7 x 24 Hours service for you, fastest reply.
Quality Assurance
We do nail penetration test with fully charged, no fire, no explosion, completely safe. Aditionally, high rate discharge( 40C), self discharge rate, short circuit, thermal shock, hight temperature performance, crush test, over charge & discharge and free drop test are carried out and passed accordingly. our batteries are proved good quality.
Packaging
Reliable and safe packaging for LiFePO4 cell
Reliable and safe packing for battery pack
Application
Basic knowledge
Lithium ion battery is classified by the anode material, can be divided into Li-FePO4, Li-MH, Li-NixCoyMnz, and Li-Co2 etc.
According to various battery shell, can be divided into plastic shell, aluminum shell, steel / iron shell.
All these lithium ion batteries have their own advantages.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.