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I guess they wouldn't need 300v and 70000w in most places. Batteries are really really really expensive in Kenya at least. In Kisumu, a 12v solar battery was like $400 and wasn't even that high of amp hours. And their panels were like $5/watt. Sort of cost prohibitive when you make < $1 a day. The highest voltage "array" I ever saw was 12v. Some guy was charging like $0.10 to charge people's cell phones. (yes, everyone has a cell phone!)
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