Survival Blog: Two Letters Re: A Simple Off-the-Shelf Solar Power System and Off-Grid Power Tools – SurvivalBlog.com
Posted on January 28, 2010
Filed Under Survival Sites | 2 Comments
Just wanted to chip in some advice on Ryobi batteries: Of the name brand cordless tools, Ryobi seems to have the worst NiCd battery quality. When used carefully, they will work well for a couple of years. If pressed hard, they will die a much earlier death. I have found that some packs will have a bad cell, dramatically shortening the entire pack’s life after only a few months. I’ve experienced this with 9.6v, 14v, and 18v Ryobi setups. Even the healthier packs, when pushed hard, particularly with a high drain device like a circular saw, die a quick death. To maximize the useful life, do not push them to the point where the battery pack gets hot and is completely drained. Such hard use guarantees the pack will lose capacity and cease to hold a charge for extended periods of time.
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