Asian contracts extend Saft’s ‘batteries for metering’ market share

Asian contracts extend Saft’s ‘batteries for metering’ market share

Business news |
By eeNews Europe

The contracts mark a commercial breakthrough for the Eternacell brand developed specifically for utility metering applications in emerging economies, where the cells offer a novel combination of value for money, performance and long life.

For these latest contracts, Saft is supplying Eternacell ER 14250 cells, a 1/2AA format that offers a nominal voltage of 3.6 V and a nominal capacity of 1.2 Ah.

Saft has optimized the Eternacell design to provide a 10+ year life to power real-time microprocessor clock and memory backup functions for new generation of electricity meters in emerging economies. The cells can maintain typical currents for electricity meters with a wide operating temperature covering any outdoor condition. The batteries claim exceptional shelf and standby life thanks to a low self discharge of less than one percent per year (at +20°C).

Manufactured at Saft’s Zhuhai China facility to the most exacting quality procedures, the Eternacell cells feature Saft’s well proven lithium-thionyl chloride
(Li-SOCl2) chemistry refined over decades of experience in metering applications.

“These major contracts confirm the Eternacell design as the perfect choice for OEMs targeting the specific needs of emerging economies, thanks to competitive pricing allied to our emphasis on long life and reliable field performance that draws on Saft’s extensive metering expertise” said Thomas Alcide, General Manager of Saft’s Specialty Battery Group. “This success in the electricity metering market now provides the platform for us to target Eternacell solutions at other applications.”

Saft claims to be the world leader in batteries for metering applications with about 45% market share. The company has used field and laboratory data collected over more than 30 years to develop a life-time model that enables the expected life of primary cells in this demanding application to be predicted accurately by considering the specific utilization profile. Data used by this model includes base current, pulse currents, cut-off voltage and temperature range. Calculated results are combined with results from bench tests, which sometime require years to conduct, to produce the most accurate life prediction.

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