Draws 1795 amps draws 131 amps. Number of leads that separate your battery from the charger is equal for each battery.

Charging For 6 Volt Battery Systems Manualzz
Charging 12 volt batteries in parallel. For example if fast charging one battery usually takes about an hour or two than two batteries connected in parallel takes two to four hours. Note the blue wire designated w1. Connect a battery charger across the positive terminal of the battery at one end of the row and the negative terminal of the battery at the other end of the row. In contrast batteries connected in a parallel configuration are able to increase the amp hour capacity of your batteries at the same voltage. In a sense that i took advantage of a dead 12 volt battery and use it as a 6 volt battery. After that i intent to configure it in series to get a nominal voltage of 138 volt.
Figure 2 unbalanced charging each battery draws less amperage as power passes through an increasing number of interconnecting leads. In series circuits the current is constant throughout the circuit and the voltage changes across each element of the circuit. For charging i will use a 12 volt battery charger to maintain the voltage of 138 volt. This 12 volt battery pack is connected to a single 12 volt charger. Series and parallel methods means that charging 12 volt 12 v batteries in line can use either a series or a parallel circuit. In figure 8 a single 24 volt charger is connected to a 24 volt battery pack.
In figure 9 we see a pair of 12 volt batteries connected in parallel. You dont want to set up the batteries you currently have in parallel. For example six 12 volt batteries linked in parallel will still provide 12 volts but the battery will last six times longer than a single battery. Figure 1 unbalanced charging a common yet inefficient way of charging batteries in parallel. The more batteries connected in parallel the longer the charge will take. The purpose of this wire is to balance the voltage drop evenly across both batteries and each wire during charging.
Hence when charging these batteries it is important to utilize a charger that satisfies the 12 volt capacity that is necessary for both the 6 volt batteries connected in series. Can i do this. The process is simple but as the capacity of the batteries increases depending on the number of batteries wired in parallel it can take twice the time to charge two 12 volt batteries and three times as long for three batteries. This is not critical for lower current chargers. Charging 12 volt batteries wired in parallel requires a 12 volt battery charger. Newer and older batteries as well as different branded batteries hooked together in parallel will cause them to fail quickly.
I would wait until you have new batteries of the same age brand volts and ah rating.