Motorcycle Battery Voltage Too High

The old one usually read 12 5 v give or take on a dmm.

Motorcycle battery voltage too high.

Gassing is bad for the battery and also potentially for you as the gasses are explosive. If the battery begins to hold and then steadily drops in voltage there is a problem. In order to get maximum battery life proper charging voltage must be maintained. Can t do better than that.

The 16v you describe is definitely too high for charging a 12v battery 14 4 volts is a suggested maximum. If the voltage instantly drops to 0 volts that is also a problem. One item of note. That voltage seems a mite high.

My new battery s voltage from the factory unused read 12 9 v but after using for about half a week of use its holding a. The only other battery i ve used for my bike was a regular lead acid battery. Either way high or low charging voltage can lead to battery problems. This is a common failure because of the way motorcycle alternators work.

Measure the battery voltage while the engine is running. I just recently got a new agm battery for my bike this one. Battery voltage too high. We call this the open cell.

With a voltage between 12 and 15 8 volts dc. You don t say whether this is on the bike or on mains charge. It should be between 12v and maybe 14 8v max. Yes a bad regulator will cause your motorcycle battery to be overcharged.