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CopilotCompanio's avatar
CopilotCompanio
Explorer
Dec 15, 2017

Quick Vote: Battery Reservoir Cover Caps -- On or Off?

Placed my 12 volt battery on a trickle charger in the garage today. Friend insisted the caps that cover the water reserviors should be opened to avoid a build up of gases that would lead to an explos...
MrWizard's avatar
MrWizard
Moderator
Dec 15, 2017
leave them in place

many years ago maybe 50?
when batteries were shipped dry/empty
it was common to add the acid, then hit them with a high voltage charge
and the caps were left off for this initial activation

but normal charging, normal floating/tending does NOT need them to be remove

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