Amazon has the Black + Decker Automatic 6V/12V Battery Charger / Maintainer (BM3B) for $14.18 with free shipping on $25+ or Prime. Charges and maintains 12 volt and 6 volt AGM, GEL and WET batteries, stops charging automatically when battery is fully charged or topped off, switching to float mode monitoring.

Has above average Amazon Reviews.

$14 Shop Now

Amazon has the Black + Decker Automatic 6V/12V Battery Charger / Maintainer (BM3B) for $14.18 with free shipping on $25+ or Prime. Charges and maintains 12 volt and 6 volt AGM, GEL and WET batteries, stops charging automatically when battery is fully charged or topped off, switching to float mode monitoring.

Has above average Amazon Reviews.

$14

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Amazon has the Turtle Wax Hybrid Ceramic Spray Coating (16 fl. oz.) for $13 with free shipping on $25+ or with Prime. List price: $17. Deliver water repelling, water sheeting, and chemical resistant protection that can last up to 12 months.

Has excellwent Amazon Reviews.

$13 Shop Now

Amazon has the Gooloo 500A Car Jump Starter / 10,000mAh Portable Battery Pack in Black (Black or Red, GP80) for $50 - 20% off coupon clip (in Special Offers) - $10 off with coupon L7GA8MPO = $30 with free shipping. Features jumps vehicles with gas engines up to 4.5 liters or diesel engines up to 2.5 liters, two Quick Charge 3.0 USB ports, LED flashlight with SOS mode, charge indicators.

Has excellent Amazon Reviews.

$30 Shop Now