15
Charging a 12 Volt Battery
This generator can be used to charge a 12 volt automotive or storage battery by 
taking the following steps:
ONLY
level is low.  Never add tap water.
1. Use a wire brush to clean battery terminals if corroded.
2. Securely connect the red cable clamp to the positive (+) battery terminal.
3. Securely connect the black cable clamp to the negative (-) battery terminal.
4. Turn the Economy switch to the “OFF” position to start battery charging.
5. 
and 1.28 when measured by a hydrometer.  
OPERATION
Note: It is strongly recommended to check the gravity level of the electrode at least once per hour with a hydrometer to 
prevent overcharging and to test the battery’s condition.  Be careful to follow the hydrometer manufacture’s instruction.
• Do not disconnect battery clamps while charging. Batteries produce explosive gasses. Disconnecting the battery 
clamps while charging could spark and ignite.
• Do not charge battery in an enclosed area.  
• Never smoke while charging the battery or operating or fueling this generator.
• Battery electrolyte contains sulfuric acid.  Avoid contact with skin, eyes, and clothing.  Always wear eye protection 
when charging battery.
• 
get immediate medical attention.  For internal ingestion, drink large quantities of water or milk, followed by milk of 
magnesia, beaten egg, or vegetable oil.  Contact a medical physician immediately.
WARNING!
Battery electrolyte is poisonous and dangerous.