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Manusage4-Amp Fully-Automatic Smart Charger, 6V and 12V Portable Automotive Car Battery Charger, Battery Maintainer, Trickle Charger,Battery Desulfator with Temperature Compensation, AGM,Deep Cycle

Q: What is the difference between the 4, 6, and 8 amp models? Which should I get for a normal car?

Dear Customer, 4A charger is suit for battery 40-60AH. 6A charger is suit for battery 60-80AH. 8A charger is suit for battery 80-100AH. 10A charger is uit for battery 100-120AH. Please refer to the spec of your battery for better choice. Thanks Manusage Support

Q: can this charge a battery that's completely dead?

No, it could not charge the completely dead battery. The battery voltage should >1V, then it could use our battery charger to reactive it. Thanks Manusage Support

Q: Can this charge lifepo4 batteries in parallel?

Yes, it is compatible for LiPo4 Batteries. Thanks Manusage Support

Q: What's the difference between the 40 amp and 80 amp setting?

Dear Customer, We suppose you are asking 4A / 8A output current rate, instead of 40A and 80A:) The difference between these two levels of current rate is about the efficiency of charging. Obviously, it takes less time to fully charge your battery with 8A current than 4A. For the sake of safety, please refer to the user guidance of the batery for proper selection. Thanks

Product ID: 573803001

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What is the difference between the 4, 6, and 8 amp models? Which should I get for a normal car?

can this charge a battery that's completely dead?

Can this charge lifepo4 batteries in parallel?

What's the difference between the 40 amp and 80 amp setting?

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TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Rajesh P.

Customer service was outstanding when I had questions about the product.

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