I use a lot of batteries, and this handy device is saving me money - here's how

The article discusses a universal battery tester that helps users determine the lifespan of their batteries. The device is described as easy to use and an effective way to save money by identifying which batteries still have charge and which need to be replaced. The author, who uses a lot of batteries, finds this tester to be a handy tool that has helped them save money by avoiding the need to replace batteries prematurely. The article highlights the convenience and cost-saving benefits of using this battery tester, making it a useful tool for those who rely on batteries for various devices and appliances. The article provides a concise, unbiased summary of the key features and benefits of this battery testing device.
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