Titan Solar Kits: https://poweredportablesolar.com/product-category/all-products/ It put the Titan through a tough ringer of tests over a week long. Test 1 was to see if it would hold a higher voltage than the rated voltage for LiFePo4 external batteries. Test 2 was to see if it will drain the Titan batteries and LiFePo4 batteries completely. Test 3 was to see if the Titan can run without a Titan battery but only external batteries.
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