RECHARGEABLE 7V BATTERY 30SEVEN®
Duration of heat depends on the heat setting you use.
It is obvious that well-insulated shoes keep feet better warm, so you can set the temperature of the heated insoles at a lower level which significantly prolong the heat duration.
Battery characteristics :
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2x Li-ion battery 7.4V / 2000 mAh
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With proper use, rechargeable up to 1000x
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Dimensions per battery: 53x78x11mm.
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Weight per battery: 82 gram
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Heat duration: 2 to 5 hours depending on the heat setting.
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Recharging time: +/- 4-5 hours
Warranty: 6 months