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7V Rechargeable Battery - 3500mAh

7V Rechargeable Battery - 3500mAh


A rechargeable 7.4V lithium-ion battery to power your 7V gear - 3500 mAh of power makes it one of the most powerful heated clothing batteries around.

** This is just new orange style of the 7V Battery Spark 3500 (SKU: SPK) **


  • Four power settings allow temperature control for your comfort
Power Level 25% 50% 75% 100%
Temperature Output (F) 105° 115° 125° 135° +
  • Works with many other brands of 7V Battery-Powered heated clothing, including gear with a built-in button to control temperature

    • Battery Light Indicator will glow red instead of blue when attached to clothing that has button built-in - power level is then controller via the button

  • Lasts at least 3-10 hours on one charge (total time depends on the clothing item & temperature setting)

  • Life of the battery is about 500 charges

  • To check the remaining charge on the battery, press power button while not attached to heating clothing. The number of Battery light indicators lit will correspond to the charge remaining (0-100%)

  • Warranty - 90 days



NOTE: Extreme cold and extended periods of time without use can affect battery life. Charge periodically to at least 25% to extend battery life.



WARNING: Do not leave battery powered gear turned on while unattended. Battery should not be submerged in water.

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