Frequently asked questions

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Unless otherwise requested, the ​REPT 3.2V 345Ah cells​ are shipped with a ​40% SOC​ to ensure safety and stability during transportation. This is the ideal state for immediate storage upon arrival.

The ​REPT 3.2V 345Ah cell​ has a very low self-discharge rate of ​​≤3% per month​ when stored at 25°C and 40% SOC, ensuring it retains most of its energy when not in use for extended periods.

Yes. When integrating the ​REPT 3.2V 345Ah cell​ into a battery module, a specific preload force (clamping force) must be applied. The required range is ​1500N to 5000N, which is critical for maintaining mechanical integrity, optimal electrical contact, and achieving the advertised cycle life. The cell's dimensions (Thickness: 71.75mm, Width: 174.0mm, Height: 206.8mm) should be used for proper module design.

For long-term storage, the ​REPT 3.2V 345Ah cell​ should be kept at an ambient temperature between -10°C to 40°C (with a permissible range of -30°C to 60°C) and at 40% State of Charge (SOC). The environment should be clean, dry, and well-ventilated.

The ​REPT 3.2V 345Ah cell​ complies with strict safety standards (GB/T 36276-2023). It has undergone rigorous testing including over-charge, over-discharge, short circuit, squeeze, and drop tests, demonstrating a high level of safety by not catching fire or exploding during these tests.

 The ​REPT 3.2V 345Ah cell​ is engineered for long-term durability. Under standard test conditions (25±2°C, 0.25P charge/discharge), it delivers a cycle life of ​≥8,000 cycles​ before its capacity degrades to 70% of its original nominal capacity.

Temperature significantly impacts the maximum allowable charging power for the ​REPT 3.2V 345Ah cell. For example, at 0°C, the max charge power is limited to 0.05P, gradually increasing to the full 0.25P at 20°C and above. Charging is prohibited at 60°C to ensure safety.

You can discharge the ​REPT 3.2V 345Ah cell​ at a standard power of 0.25P (276W) down to a cutoff voltage of 2.5V (for temperatures above 0°C). It can operate in a wide temperature range from -20°C to 60°C, making it suitable for various environments.

The standard charging method for the ​REPT 3.2V 345Ah cell​ is a Constant Power (CP) charge at 0.25P (276W) until the voltage reaches the upper cutoff of ​3.65V. The optimal charging temperature range is between 0°C and 60°C.