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  • BenjaminS87 commented on terrible tinkerer's instructable portable 20w solar charger3 years ago
    portable 20w solar charger

    Im working on a solar briefcase for my bug out bag, im doing 20watt bp solar panels, was wondering if i will need a different type of charge controller for a array of 18650 batteries instead of SLA? Also curious as to how many batteries i should get, parallel or series, i was an electrician for a year so i have a little experience, but when it comes to DC power and batteries i am clueless

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