The Best 9V Rechargeable Battery

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Low-self discharge 9v NiMH batteries have become available in the last few years. The “low-self discharge” label means these batteries will hold their charge for a year, unlike previous NiMH batteries. This makes these 9V battery much more compelling, because 9V batteries are often used in applications like fire alarms, where the battery must sit for […]

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900 Lumen LED Bulb Released By G7 Power

brightest-led-light-bulb

A company called G7 has released a 900 lumen LED light bulb, which is selling for around $19. This warm white ( 3,000K) bulb runs on just 9W, and it is equivalent to a 65 watt incandescent bulb. It has a 75+ Color Rendering Index (CRI)  — quality household lights tend to have the CRI between 80 and […]

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