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Re: Trying to work out how to charge 12v battery from 2x160w panels
For an MPPT controller--Their "sweet spot" is roughly Battery Votlage * 2 = Vmp-array voltage... I.e., charging a battery bank at ~15 volts = ~30 Volt Vmp (very approximate numbers--I.e., 1…1 · -
Re: Testing capacity of AGM batteries
Not speaking for Marc, but I would guess his test is to pull current at a 20 AH rate (or whatever rate is appropriate for the customer) and time until the battery is empty. For example: * 125 AH batt…2 · -
Re: 3 12v deep cycle batteries spark bad when last one connected
Welcome to the forum Cookj and sorry about the issues you are having. First of all, to have current flow, you need a "complete circuit". Just connecting thee batteries in series, with no lo…1 · -
Re: Pretty good free TV for off gridders!
The star link issue was more complicated and simpler than getting zapped. The engineering plan is to launch star link satellites into a relatively low earth orbit. That allowed them to save fuel (sma…1 · -
Re: New on this forum
Welcome to the forum Kenneth, I am not very strict about which forum to post in... There is the Off Grid & Battery forum, and there is a Wind Turbine forum. More or less, if your post/thread focu…1 ·
