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Tag Archives: lithium

Really Great Lithium Ion Solar Battery: Copper Bus Bars

Roy Creek Ranch Posted on December 13, 2023 by JimMarch 5, 2024
photo of 95 copper bus bars -- nearly finished

After building a wooden enclosure for the Lithium Ion Solar Battery, it was time to think about copper bus bars to connect all those cells together. This requires a little math, since the bus bars have to be big enough to handle current demand, but not too big — copper is expensive!

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Posted in solar, Projects | Tagged battery, DIY, how to, howto, ion, lithium, solar

Build a Handy 12-Volt Solar Generator with LiFePo4 Batteries

Roy Creek Ranch Posted on July 23, 2023 by JimDecember 7, 2023
photo of the completed solar generator

Previously, I wrote about Upgrading a Solar Power System and mentioned a cache of new Lithium Iron Phosphate (LiFePo4) cells. The “ThunderSky Winston” cells had come from a Segway repair operation and were new. A little looking around the ‘net revealed they were still available from GWL Group. With a capacity of 60 Amp Hours (AH) and nominal voltage of 3.3 volts, they looked useful for building a 12-volt Solar Generator.

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Posted in solar, Projects | Tagged battery, bms, build, bus bar, charge, controller, DIY, generator, howto, inverter, iron, lifepo, lithium, management, phosphate, radiob, solar, storage, system, wb0mmc
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