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PoC single solar panel system
#3
If you're planning to go 48V longer term, anything you spend now on 24V gear will be less useful later.

It's not practical to try & run an inverter off a step down converter, inverters typically drawn quite high currents.

If you build your battery packs so they're more modular, you can connect as a 7s for now & then re-assemble into a 14s later.

Check that UPS does a true sine wave output (ie not a "modified sine"), it says it does but many lower end units don't.

re 2nd hand panel, look for ones from a house roof system, eg ones replaced during an upgrade, building work, etc, make sure no signs of physical damage, especially to back of cells & no "snail trails" (cracked cells) or hot spots evident. Most are 60 cell, but 72 cell might be better to play with (higher Voc voltage).
Korishan likes this post
Running off solar, DIY & electronics fan :-)
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Messages In This Thread
PoC single solar panel system - by cnrd - 05-14-2019, 08:04 AM
RE: PoC single solar panel system - by Sean - 05-14-2019, 08:18 AM
RE: PoC single solar panel system - by Redpacket - 05-14-2019, 09:15 AM
RE: PoC single solar panel system - by Korishan - 05-14-2019, 11:44 AM
RE: PoC single solar panel system - by Redpacket - 05-14-2019, 02:08 PM
RE: PoC single solar panel system - by cnrd - 05-14-2019, 12:25 PM
RE: PoC single solar panel system - by daromer - 05-14-2019, 12:39 PM
RE: PoC single solar panel system - by cnrd - 05-14-2019, 12:55 PM
RE: PoC single solar panel system - by Korishan - 05-14-2019, 01:27 PM
RE: PoC single solar panel system - by Korishan - 05-14-2019, 05:53 PM
RE: PoC single solar panel system - by Korishan - 05-14-2019, 11:25 PM

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