Reverse battery polarity (negative connected to positive; positive connected to negative) will damage the 300 Inverter, and it will require servicing. Damage caused by reverse polarity is not covered by your warranty.
Caution! Risk of damage to rechargeable appliances.The output of the 300 Inverter is
•Small
•Certain battery chargers for battery packs used in hand power tools. These chargers have a warning label stating that dangerous voltages are present at the charger battery terminals.
Do not use the 300 Inverter with the type of appliances just described.Caution! Risk of damage due to high temperatures.Do not use the 300 Inverter in temperatures over 40° C (105° F). Overheating may result.
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