Lithium Pure Sine Wave Power Device AMAZON
Powkey 200Watt Portable Power Bank with AC Outlet for Camping 42000mAh Power Supply for CPAP ,2 AC Ports, 4 USB Ports, 2 DC Port by powkey 4.3 out of 5 stars 57 customer reviews Price: $145.89...
Forum Discussion
Can anybody explain to me how the mAh rating is of any use? With some digging you can find the useful storage capacity value of 210 Wh. Does the mAh value serve any purpose other than advertising a larger number, even if it doesn't mean anything at all for how much energy the device can deliver?
