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Using pb-acid, a maximum discharge to 50% DOD is the preferred max discharge for long life and very little balancing. If you can hold your maximum discharge to about 25% DOD, or 75% State of Charge, then you will not need any battery management system. For the last 32 years, the maximum discharge rate is to 25% DOD for about 99% of the time. The other 1% was testing once to 50% DOD.
This means a vehicle may carry four times the AH battery needed. With this configuration, replacements average 12 years.
Unfortunately, the more lead acid batteries you carry, the more weight goes up, and the more power it takes to move the car. At some point, adding more batteries becomes counter productive if battery live is not sacrificed.
This means a vehicle may carry four times the AH battery needed. With this configuration, replacements average 12 years.
Unfortunately, the more lead acid batteries you carry, the more weight goes up, and the more power it takes to move the car. At some point, adding more batteries becomes counter productive if battery live is not sacrificed.