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G4 Chargers & Testers


The G4 is a 4-bank automatic battery charger and maintainer for both 6V and 12V lead-acid and lithium-ion batteries. It's capable of charging up to four different batteries at the same time, and perfect for charging a motorcycle, ATV, snowmobile, personal watercraft, lawn mower and much more. It also can be used as a battery maintainer to keep a car, boat, RV, and deep-cycle batteries fully charged and ready to use. It monitors battery activity for safe and efficient charging without any overcharge. Complete with a built-in battery desulfator to rejuvenate underperforming batteries. It is rated at 1.1-amp per bank.

• Practical, small sized 6V and 12V 4-bank battery charger and maintainer
• Charges lead-acid and lithium-ion batteries up to 40 amp-hours
• Recovers deeply discharged batteries down to 2-volts
• Spark-proof technology and reverse polarity protection
• Built-in battery desulfator to recover worn-out batteries
• Safely monitors battery actively with zero overcharge
• Suitable for start-stop and CANbus vehicle systems
• Advanced diagnostics indication for damaged batteries
• Charge-up to four different batteries at the same time
• Includes: 2x 08-10020 (GC001) X-Connect Clamp cables, 2x 08-10021 (GC002) X-Connect Eyelet cables and 4x GC004 10-Ft X-connect Extension cords
• Convenient 60-in AC power cord


Parts Finder
Style/Segment Chargers
Type 4 x 1.1 Amp
Model G4

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