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Has anyone come across anything to test, charge and discharge, those 80V lithium lawn mover/weedwacker batteries that Lowes and other companies sell ? I haven't been able to find anything of significance.

I have some excess batteries that I no longer need for sale. Newish. Only charged and discharged. Not actually used in any system. Anyone locally need any of these. SPIM08HP 3.7v 8ah 200a LITHIUM ION Sona 18650 36v 4.0ah 20a Battery Ebike PM me for quantity, price etc.

So I've got 16 100Ah Life04 Calb batteries. I will be using them for battery storage in a 12V nominal system. Charge, mainly with Solar, discharge using an inverter. I've read that the parallel connections don't have to be too large, (whatever too large means), as the main current flows...

So...Will wanted ideas and stuff for future projects. What about a lithium starter battery using SPIM 08 HP 3.7V 8Ah 200A pouch cells. But as you know, there are particular issues that have to be dealt with, in addition to the normal stuff. 1) As lithium is so low resistance, you have to...

Ref the MPP solar LV5048 split solar. No load draw is a critical part of an equipment's performance as when online permanetly, as opposed to standby or seeking ?, it uses power 24-hours a day even if you don't use a single watt. Of course, you probably are using something, fridge, lights...