Genius GENPRO10X1, 1-Bank, 10A (10A/Bank) Smart Marine Battery Charger, 12V Waterproof Onboard Boat Charger, Battery Maintainer and Desulfator for AGM, Lithium (LiFePO4) and Deep-Cycle Batteries

Amazing! This charger really does amazing job! An older battery, that stood during the winter in a vehicle not driven for months and incapable to get a drop of juice after hours and hours of charging - in repair mode with this NOCO GENPRO10X1 was healed! After 4 hours in a "repair mode" and 6 hours of charging now is a full capacity and holds charge well. It is a proof, that what all above said from other users about this charger is true! Very happy with purchase and I would strongly recommend it to anyone. And Amazon was ultra fast to deliver it 2 days earlier than estimated, for which - thank you Amazon!

Solid unit. I never had a problem with Noco chargers. Well made and reliable.

Fantastic battery charger for a variety of uses. Have an old fashioned charger that I used for years on our vehicles on occasions when we needed. My old charger was the analog transformer style and it was quite noisy when in use. While these old chargers work fine for the occasions when you need them, they only work on the Lead-Acid style of battery found for starting engines in vehicles. Nothing wrong with that, but they cannot handle many of the newer type of battery chemistries that you can encounter. I had built my own portable power bank using a LiPo battery and needed a way to be able to charge it up. I bought this specifically for that task and it worked excellently. It charges fast and it is completely silent while in use. The smart charging circuitry is perfect for being able to adjust the charger to allow it to maximize performance and handling of the specific type of battery you are using it with. Thus it is perfect for handling both the newer LiPo batteries like I used in my power bank project, as well as replacing the older and bulkier analog chargers.

Great unit. On initial power up, you select the battery type, then the LED's show relative state of charge with green indicating full charge. I was concerned that if the unit was unplugged, the battery type would have to be re-selected, but that appears to not be the case. Select once....and forget it! Nobody ever properly maintains a battery consistently....but this will. Bravo NOCO...truly a genius solution.

Friggin wicked I love this thing. Super robust plug and Play does it all. It's the best