The first test was last Sunday. I ran the window air conditioner at 5000 BTUs for 45 minutes and the fan never kicked on and there was no noticeable heat at all. The batteries only dropped 0.3 volts during the test. My device is 48 volts and I have a lot of batteries
CARKU Pro-10 black/red
91 Review
Efficient Charging With LST 7 Stages 5A Battery Charger - 3.3A 12V For Ultimate Performance
35 Review
Case Compatible With Halo Bolt Portable Car Battery Jump Starter 58830/44400/57720 MWh Charger. Power Bank Holder For Halo Power Station 100/For AC Outlet.(Not Fits For Halo Bolt Air, Box Only)
24 Review
Keep Your Battery Fully Charged With A Smart 12V Charger/Maintainer Featuring Winter Mode
28 Review
Cordiant Winter Drive 2 255/55 R18 109T
33 Review
Rechargeable screwdriver OA-3,6F (433.0.2.00), 3.6 V, 1.3 Ah Li-ion, blister
46 Review
Bit and socket set Stels Tool set, 1/2", 1/4", CrV, plastic case 94 pcs, Stels, 94 pcs, black
46 Review
Xiaomi Mi x Mijia Wiha Precision Screwdriver Set (DZN4000CN), 25 pcs
34 Review