Additional Power Packs extend total warming duration throughout cold days. Sold in Pairs Only (4 Batteries Total).
These batteries work with the following products ONLY:
This battery is warranted from factory defect for 6 months from the date of the initial purchase.
Rechargeable Battery System Care to Extend the Life of Lithium-Ion Batteries:
WARNING: Do not use battery if you notice a change of shape (lumps), over-heat when charging or if rust or corrosion on the battery connectors is found.
- Fully charge Lithium-Ion batteries before beginning to use the battery. Failure to charge battery prior to use will reduce battery life.
- Keep Lithium-Ion batteries fully charged when not in use.
- CHARGE BATTERY REGULARLY. Charge between each use and a minimum of once every few months. It is important to maintain at least 25% of your battery power when not in use. Failure to do this will result in performance problems and reduced battery life. Never leave Lithium-Ion batteries discharged for long. The batteries do self-discharge and the charge could drop low enough to damage the battery.
- Avoid regularly running Lithium-Ion batteries completely dead.
- The battery life is 300+ cycles before the battery will diminish in capacity output.
- Lithium batteries provide a diminished capacity output at extreme cold temperatures - keep batteries inside the garment to minimize the impact and improve the performance.
- Store Lithium-Ion batteries in a cool, dry place if you will not be using the battery for several weeks.
- Keep Lithium-Ion batteries out of extreme temperatures. High temperatures may cause premature battery failure while lower temperatures can prevent batteries from fully charging.
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