This photo shows two fully charged batteries connected to a power supply. Old large group 65 battery from an F150 truck. Newer small tractor battery. No adverse effects being seen by either battery as a result of a size or age difference.
This photo shows the larger fully charged battery being charged while the fully charged smaller battery is not.
This photo shows the smaller fully charged battery being charged while the fully charged larger battery is not.
This photo shows the smaller fully charged battery being charged while the less than fully charged larger battery is being charged.
This photo shows the larger fully charged battery being charged while the fully charged smaller battery is not.
This photo shows the smaller fully charged battery being charged while the fully charged larger battery is not.
This photo shows the smaller fully charged battery being charged while the less than fully charged larger battery is being charged.