Silver zink laptop batteries on the horizon

Laptop users may soon get longer battery life from their computers with silver-zinc batteries that promise to last significantly longer than traditional lithium-ion batteries.

The batteries will be available in consumer and business laptops from major PC makers starting in August, according to Ross Dueber, the CEO of Zpower.

Silver-zinc batteries pack more energy than lithium-ion batteries, giving laptops 40 percent more run time, according to Dueber. If a laptop runs for two hours with a lithium-ion battery, it should run for closer to three hours with a silver-zinc battery.

The silver-zink batteries water-based chemistry make them nonflammable. Lithium-ion batteries use dimethyl carbonate, a flammable liquid.

This sounds good but there may be a catch. Since they are not giving out an estimated cost, silver-zink batteries may be pricey.

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