A new AA battery with a new formula for more power.
February 7, 2010 2 Comments Daily Giz Wiz, Monday, February 8th, 2010, Netcast 1021
They’re called PowerGenix Nickel-Zinc High Discharge Batteries. And the abbreviation for their composition is NiZn, which I can’t even pronounce. So I’ll call them PowerGenix. This company has developed a high-energy density, high-cycle life and low-cost nickel-zinc (NiZn) battery, ideal for applications that require high discharge rate capabilities. That includes digital cameras, especially when using flash. Their performance advantages include a 30% weight reduction, coupled with higher power. Here’s a bit of tech info on the batteries from the company: Using a patented electrolyte and a patented electrode composition, PowerGenix has eliminated past issues of dendrite formation and shape change of the zinc electrode during cycling. Dendrite formation and shape change of the zinc electrode have been the primary hindrances to a commercially viable rechargeable NiZn high discharge battery. PowerGenix developed this breakthrough technology in a manner that did not compromise the inherently superior performance characteristics of a NiZn battery. Two of the more prominent features of the PowerGenix NiZn high discharge battery are its small size and low internal resistance, which enables the delivery of significantly more power during periods of peak demand than a nickel-cadmium (NiCd) or nickel-metal hydride (NiMH) battery of comparable size. I put a voltmeter on a fully charged PowerGenix AA battery and a fully charged NiCad battery. (PowerGenix likes the abbreviation NiCd, I prefer NiCad. Google shows both.) The meter showed higher power (1.6 volts) from the NiZn formula vs. 1.2 from the NiCad rechargeable. They’re also eco-friendly because they’re 100% recyclable and non-toxic. 4 AA PowerGenix batteries with a quick NiZn charger have a suggested retail price of $29.99, but you can find them on Amazon for about $23.
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