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Technical Features

TEMPEST batteries offer following valuable features to customers:

  • Sealed Construction
    The unique construction and sealing techniques of the TEMPEST battery guarantee leak-proof operation regardless of the battery's position and no adverse effect to capacity or service life.
  • Electrolyte Suspension System
    All TEMPEST batteries utilize an electrolyte suspension system consisting of a highly porous glass fiber material, which,in conjunction with plates, totally absorb and contain the electrolyte. No silica gels or any other contaminants are used.
  • Gas Generation
    TEMPEST batteries incorporate a built-in design that controls gas generation and induces recombination of more than 99% of gases generated during float usage.
  • Maintenance Free Operation
    There is no need to check specific gravity of the electrolyte or add water to TEMPEST batteries during float service life. In fact, there is no provision for this type of maintenance.
  • Low Pressure Valve Regulated System
    All TEMPEST batteries are equipped with safety release valves that are designed to operate between 2 and 5 psi and can automatically reseal. Hence, excessive accumulation of gas within the battery is prevented.
  • Heavy Duty Grids
    Heavy duty lead calcium tin alloy grids provide an extra margin of performance and service life in either float or cyclic applications, even after repeated over-discharges.
  • Cyclic Service Life
    More than 1,000 discharge/recharge cycles can be realized from TEMPEST batteries, given average depth of discharge.
  • Float Service Life
    TEMPEST TR Series batteries have an expected life span of 3 to 5 years in float service applications.
  • Self Discharge-Shelf Life
    The self discharge rate of the TR series at room temperature is approximately 3% of rated capacity per month.
  • Operating Temperature
    TEMPEST TR Batteries can be operated over a broad range of ambient temperatures.
  • Deep Discharge Recovery
    TEMPEST batteries can recover their capacities even after repeated deep discharges.

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