Anonymous ID: 874828 Aug. 1, 2020, 4:13 a.m. No.10148066   🗄️.is 🔗kun   >>8070

>>10148052

LiFePO4 is not a bad option and is decently priced these days.

If space is not an issue you should research NiFe the Edison battery. Has a low density but amazingly robust .. over charge under charge operating temps .. even running completely dry is recoverable .. ~ 25yrs service life.