NOCO GENIUS2D, 2-Amp Direct-Mount Onboard Charger, 12V Battery Charger, Battery Maintainer – Link
Amazon has this currently marked down to $33.36 w/ free shipping.
- Meet the GENIUS2D – The all-new direct-mount onboard battery charger for an under-the-hood battery charging system and year-round battery maintenance.
- Direct-Mount – Securely mounts nearby the battery with its rugged snap-fit mounting bracket and effortlessly installs into most materials with truss-head self-tapping screws.
- Enjoy precision charging – An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
- Charge dead batteries – Charge batteries as low as 1-volt, including flooded, gel, and AGM, as well as automotive, marine, and deep-cycle batteries.
- Beyond maintenance – It’s not a trickle charger, it’s an advanced battery maintainer. It monitors your battery 24/7, providing intuitive and safe maintenance charging with zero overcharge. A fully-automatic, worry-free battery charger for year-round use.
- Restore your battery – Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
- Compatible with all types of vehicles – Add a permanent onboard battery charger to any vehicle to make battery maintenance simple and easy. Plus, combine with any of the GCP Series AC Port Plugs for remote charging access.