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PowerWall Proof of Concept
#1
Going with a 4s packs.



All cells tested with an Opus 3100. Only using cells that are 1.7Ah or above. Stripping off existing shrink wrap and replacing. After grouping the cells, complete batteries will have a working output voltage range of 16.8 to 11.2. Going with 5amp fuse wire and solid 6ga copper for the bus bar. No balancing.

Proof of concept has been created as a single pack just to ensure programming compatibility with the inverter/charger. No high voltage cut-out, will invert above 16v and all the way down. All systems are go.

With a fully programmable inverter/charger that doesn't have an overvoltage disconnect until 17v, I don't understand why don't more people use 4s vs. 3s to optimize their battery capacity.
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Messages In This Thread
PowerWall Proof of Concept - by TheDagg - 03-28-2019, 11:19 PM
RE: PowerWall Proof of Concept - by Korishan - 03-28-2019, 11:48 PM
RE: PowerWall Proof of Concept - by Dagg - 03-29-2019, 06:16 AM
RE: PowerWall Proof of Concept - by Sean - 03-29-2019, 09:17 AM
RE: PowerWall Proof of Concept - by daromer - 03-29-2019, 09:56 AM
RE: PowerWall Proof of Concept - by TheDagg - 04-01-2019, 05:55 PM
RE: PowerWall Proof of Concept - by Korishan - 03-29-2019, 01:06 PM
RE: PowerWall Proof of Concept - by TheDagg - 03-29-2019, 08:23 PM
RE: PowerWall Proof of Concept - by Crimp Daddy - 03-30-2019, 12:33 AM
RE: PowerWall Proof of Concept - by Dagg - 03-30-2019, 01:47 AM
RE: PowerWall Proof of Concept - by Crimp Daddy - 03-31-2019, 08:40 PM
RE: PowerWall Proof of Concept - by Korishan - 04-01-2019, 07:48 PM
RE: PowerWall Proof of Concept - by Dagg - 04-02-2019, 02:23 AM

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