Tag Archives: Portable

Portable Projectors for Off-Grid Use

With the advent of extremely bright white LEDs as a light source, it became practical to make small projectors efficient enough to run on battery power.  Selecting a projector is like selecting a laptop computer in that the available models are constantly changing and “improving.” This article highlights what to look for and what to watch out for when shopping for a portable projection system.

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Test Driving a Half-Pint-XT Solar Power System

Online Test Drive Logo

The Online Test Drive is a useful tool for figuring out whether one of the GTIS Power Systems’ packaged systems will work for you. Plus, it will help you understand a little about using solar energy – the importance of panel and battery sizes, the importance of sky conditions, and the importance of load size and runtime.

Here’s a typical case. A linguist/translator  writes, “I would like to set up a village worker with a solar system and notebook computer, buying it locally. It will be a Lenovo ThinkPad 11e Gen 2. The person I want to set up spends part of his time in Alotau town [Papua New Guinea], where 240 volt AC power is usually available, and part of his time in a village situation without power.

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