Power is intermittent in Ghana so we need to obtain our own independent power supply for the office there.
The above would solve the power supply problems, but normal equipment is supplied with mains plugs and meant to use AC power. The conversion of the battery power to 240 or 120v AC and then by each device back to DC again is really wasteful. The solution may be to use the cards shown in this video. All that we need is provided by the methods below.