GRAUPNER POLARON AC/DC SPORTS Operating Instructions Manual page 5

- If possible, place the battery in a safety bag during the charging or discharging process.
- Pay attention to the charger during use. Do not leave the charger unattended.
- If the charger becomes hot, disconnect the battery and remove the input power immediately.
Allow the charger and the battery to completely cool down before reconnecting.
- Do not attempt to charge dead or damaged batteries.
- Use identical batteries in the charger.
- Do not attempt to charge a battery pack containing different types of batteries.
- Do not use a too short or damaged cables.
- Ensure that each channel has a completely charged pack.
- Do not use near a flammable object. Use only in well-ventilated areas. Explosive gases may
be generated during the operation of this product.
- Do not reverse the positive and negative terminals. An incorrect connection will damage the
batteries and may cause damage to the charger.
- Use only rechargeable batteries that meet the product specifications of this charger.
- Do not allow water, moisture or foreign objects into the charger.
- Do not use in humid locations. Do not operate with wet hands.
- Do not attempt to dismantle the charger.
- Do not use on fleecy materials, such as carpets, blankets, beds and cushions.
Use on hard flat surfaces.
- Do not use in the extreme cold or heat, as the charger may not operate using the expected
values, causing failures in the operation.
- Use in a well-ventilated location. Do not block the cooling fan (rear) and the air inlet (front).
- We strongly recommend balancing Lithium packs. An unbalanced pack can cause damage
and, in extreme cases, can cause a fire.
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