4 FAQs about Energy storage lead-acid battery warranty period standard

How long does a battery warranty last?

A standard battery warranty should come with at least 10 years of protection, though it can be shorter depending on how often you charge and drain your battery. Battery warranties typically won't reimburse for labor costs associated with installing new equipment or shipping fees for new equipment.

What is the design life of a lead acid battery?

Europe took a different tack. The Eurobat Guide for the Specification of Valve Regulated Lead-Acid Stationary Cells and Batteries defines design life as follows: “The design life is the estimated life determined under laboratory conditions, and is quoted at 20°C using the manufacturer's recommended float voltage conditions.” 6

Is a battery warranty a warranty?

And warranty is in fact only a guarantee against manufacturing defect. A warranty statement can only assure a user that if he follows accepted and documented maintenance practices as outlined by the manufacturer, the battery (or cell) is warranted against manufacturing defect for a specific period of time.

What is an end-of-warranty capacity rating?

In addition to providing a warranty for a set number of years, cycles, or throughput, battery manufacturers also typically offer an end-of-warranty capacity rating. This guarantees that your battery will hold a certain amount of capacity throughout the warranty.

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