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Trojan Battery Co., a manufacturer of deep-cycle batteries, says its industrial line of batteries for renewable energy applications has achieved a milestone in the company's ongoing IEC 61427 testing by surpassing a 15-year cycle life.

Trojan has been conducting IEC 61427 testing on its deep-cycle, flooded industrial batteries since October 2010, and results to date show that the batteries are outperforming their rated 10-year design life, according to the company.

Because Trojan's deep-cycle batteries are designed to operate at partial states of charge, the testing parameters being performed involve heavily discharging the batteries, which is a typical scenario in solar applications. By stressing the batteries and operating them in this abusive testing environment, Trojan's goal is to evaluate the overall effectiveness of the battery line's ability to perform in renewable energy applications, where operating at partial states of charge is common.

"These ratings illustrate Trojan's authenticity in reporting our battery life and capacity ratings," explains Bryan Godber, Trojan's senior vice president of renewable energy.  "We are pleased to discover that IEC testing results for the industrial line surpasses Trojan's published battery design life estimates."



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