1991-11-01

Sealed Nickel-Zinc Battery for Electric Mower Uses 911296

A sealed nickel-zinc battery has been developed to replace the sealed lead-acid battery which was the only battery available for powering an electric undergrowth mower (or a shrub trimmer, or a shrub cutter). The sealed nickel-zinc battery weighs approximately 60% of the weight of the sealed lead-acid battery for a given energy stored, with battery discharge performance at a high current drain, particularly at a low temperature, coupled with a somewhat longer cycling life in a repeated use with a high current drain and charging with a charger exclusively designed for this battery. Unlike the other nickel-zinc battery, this sealed nickel-zinc battery does not use mercury as an additive to the zinc electrode, and so is environmentally benign.

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