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Batteroo is an intelligent voltage management and delivery mechanism device made of thin stainless steel that slips over your battery in seconds.

Most devices only tap into a fraction of your disposable battery’s energy – about 20%. Batteroo uses micro-circuitry that lets you instantly tap into the 80% of energy that is usually thrown away.

Batteroo is crafted from stainless steel at 0.1 mm thin to fit back neatly back into your devices’ battery compartments. Batteroos are reusable on new and most “used” batteries and will be available in AA, AAA, C, & D.
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