You want to top off lead acid with constant voltage to prevent gucking. It is time bound not power bound. https://batteryuniversity.com/article/bu-403-charging

You want to top off lead acid with constant voltage to prevent gucking. It is time bound not power bound. https://batteryuniversity.com/article/bu-403-charging-lead-acid https://batteryuniversity.com/article/bu-403-charging-lead-a...