Can you connect different Ah batteries in parallel?
Can you connect different Ah batteries in parallel? No, you can't connect batteries of different Ah in series with a good result. However you can connect batteries of different Ah in parallel using diodes. As stated already you should only connect batteries of same type/age/brand in series. In parallel you should use diodes to connect the batteries to the UPS. What is wrong with wiring batteries in parallel? All batteries in a parallel bank must have the same voltage rating. Batteries can be damaged by excessive cycling and overcharging. Water-based electrolyte batteries are capable of generating explosive hydrogen gas, which...