John E Davies Posted November 30, 2020 Share Posted November 30, 2020 (edited) The standard Zamp solar controller won’t bring the lithium batteries to 100%. This has been reported by at least one owner who switched from AGM to lithium. It seems as if the factory package should include an upgraded MPPT type unit. It would have to be a brand other than Zamp because they do not make any. Can somebody with the new lithium and solar packages look at your documentation and see what is installed? Please post your info. Thanks, John Davies Spokane WA Edited November 30, 2020 by John E Davies "Mouse": 2017 Legacy Elite II NARV (Not An RV) Two Beds, Hull Number 218, See my HOW TO threads: https://olivertraveltrailers.com/topic/john-e-davies-how-to-threads-and-tech-articles-links/ Tow Vehicle: 2013 Land Cruiser 200, 33" LT tires, airbags, Safari snorkel. Link to comment Share on other sites More sharing options...
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