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Determining the size of cells based on current and operation time

 

FAQ: Determining the size of cells based on current and operation time

Question:  I need a battery pack to supply 60 Amp continuously for 8 hours. What size of the battery do you recommend?

Answer: The above table shows the size of the battery packs (in Ah) based on the 100% DOD (depth of discharge) and 80% DOD. 

The 80% DOD cycle is typically used according to the specification of the manufacturer to reach the optimal life span (cycle life) of the battery pack.

For a pack running for 8 hours at 60 Amp, at 80% DOD, the capacity of the cells should be at least 600Ah.  

Tip: you can assemble the 600Ah cell using the 3x200Ah or 2x300Ah single cells in parallel. 

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