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NOCO GENIUS1 1A 6V/12V Smart Battery Charger and Maintainer
★4.4(63K+ reviews)
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✓ Pros
- +Safe to leave connected for months as a maintainer
- +Works with 6V and 12V lead-acid and lithium batteries
- +Small enough to hang on a garage wall
✗ Cons
- −1-amp output is slow for charging a fully dead car battery
- −Clamp leads are on the short side
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