soundog Posted August 7, 2021 Share Posted August 7, 2021 I had my Variax and battery mothballed for awhile during the pandemic, so read up on the best way to store lithium-ion batteries. A new one is expensive! In summary, most articles advised: "Lithium-ion batteries should be stored at around 40% state of charge (between 30% and 50%). If improper storage occurs, lithium-ion batteries might become unstable." If you don't have a voltmeter to check your charge, you can use the little button and LEDs (if your Variax uses these) on the Variax battery housing to check the charge status. I leave my Variax plugged in until only 2 LEDs are lit, then store the battery. Quote Link to comment Share on other sites More sharing options...
ucnick Posted August 10, 2021 Share Posted August 10, 2021 Yep that is good practice. Li-ion likes being at ~50% for long-term storage. And don't charge 'em until you need 'em. Minimizing charge/discharge cycles is also good for the battery life as well. Quote Link to comment Share on other sites More sharing options...
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