Note：

The estimated time of shipping of Poland warehouse is 20th June, 3-7 days delivery after shipping!

Specification

Cell Brand: Tewaycell
Chemistry: Lithium Iron Phosphate(LiFePO4 or LFP)
Nominal Voltage: 3.2V
Operational Voltage: 2.5V – 3.65V
Nominal Capacity: 280Ah
Typical Energy: 896 Wh
Impedance (1KHz): ≤0.18±0.05mΩ
Weight: 5.43±0.2kg
Dimensions (mm): 207.1±0.5*174.7±0.5*71.7±1mm
Terminal: M6 Laser Welding Stud
Cycle Performance: ≥7500 Cycles(0.5C/0.5C, 25±2°C, SOC≥70%)
Standard Charge/Discharge Current: 0.5C/0.5C
Standard Charge/Discharge Cut-off Voltage: 3.65V/2.5V
Max Continuous Charge/Discharge Current: 1C/1C
Recommended SOC window: 10%～90%
Residual Capacity loss: Per month≤3.0%
Operating Temperature (Charging): 0℃~60℃
Operating Temperature (Discharge): -30℃~60℃
Storage Temperature: -30~60°C

Document Download:

• Specification.pdf
  

Cells Test:

• Test Report by Tueftler & Heimwerker - DIY Projekte & Tipps
• Test Video 1 by MR@G8N
• Test Video 2 by Tueftler & Heimwerker - DIY Projekte & Tipps
• Test Video 3 by Tueftler & Heimwerker - DIY Projekte & Tipps

Product Feature:

• Highly automated production equipment to ensure battery consistency.
• Square aluminum shell structure, high-precision explosion-proof valve design, good safety performance.
• Low internal resistance, high discharge rate, and stable discharge platform.
• Green environment, ISO14000 approval, products meet GB and UN criteria, and ROHS compliant.
• Long cycle life.

NOTE!
1. One Cell will come with 1 busbar, 2 screw caps, 2 shims for free. (e.g. 4 pcs Cells will come with 4 pcs busbars, 8 pcs screw caps and 8 pcs shims. )
2. Each cell shall be used under the strict monitor, control, and protection by the BMS.
3. Before the first use, always charge the cells to full voltage. | FAQ: LiFePO4 battery charging guide.
4. We will match (capacity, voltage, resistance) all cells before delivery.
5. The battery is suitable for DIY lovers with experience.