How many other forklifts do you have that are the same battery voltage? The reason for asking is this, if you have three trucks that are 24vdc and two are OPR's and one is a pallet truck, for example, then the charger for the pallet truck charges at a different rate and amperage than the chargers for the OPR's. Here is another example, a pallet truck consumes 750 amps over a 6 hour period and an OPR consumes 1080 amps over a 6 hours period. If the OPR battery is plugged into the pallet truck charger, the OPR battery is basically being "short" charged. Look at the truck data plate and the charger data plate and ensure that they are both close the same value as far as the amp/hour rate is concerned. I hope this helps!
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