Schumacher Electric Schumacher Pro Automotive 12-Volt Battery Charger and 80-Amp Engine Starter with Maintainer and Boost Mode SPR1629 - The Home Depot
VECTOR 1.5 Amp Battery Charger, Battery Maintainer, Trickle Charger, 6V and 12V, Fully Automatic BM315V - The Home Depot
Battery Tender® Junior 12V, 750mA Battery Charger
Duralast 2 Amp 6/12 Volt Battery Charger and Maintainer DL-2D