GV-10 Lead-Acid MPPT Charge Controller
This was a used MPPT charge controller. I purchased it off an auction site on-line. I don't really need one for lead-acid, but it was SUPER cheap and couldn't pass it up. The seller was upgrading from a lead-acid battery system to a Lithium battery system on their sail boat and no longer need these. They had six for sale. I've also purchased several new ones for LFP, LiFePO4, battery packs direct from the same company. Those were the 5 amp and 10 amp models.
https://sunforgellc.com/product/gv-10/
https://sunforgellc.com/product/gv-5/
There have been a few threads about emergency/backup power using solar panels. Part of the solution is a good battery pack charge controller. Most of the super cheap types are the PWM. However if you want to get the most out of a solar panel, particularly for portable use, you want the MPPT type like the above models.
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