Let's start by being realistic. If, on average, about 15-22 watts of energy falls on every square foot of Earth (which works out to 0.104-0.153 watts per square inch), the amount of energy a panel that can fit onto a power bank can collect is proportionally smaller. A panel like this isn't going to collect buckets of energy, it's more like thimblefuls.
also printed the keyed check information and totals onto paper tapes.
。关于这个话题，同城约会提供了深入分析
move this to the scavanged list:
Credit: EcoVacs