Home Slickdeals Batteryminder Plus Battery Charger/Trickle Charger/Desulfator — 12 Volt, 1 Amp, 12117TC ... Slickdeals Batteryminder Plus Battery Charger/Trickle Charger/Desulfator — 12 Volt, 1 Amp, 12117TC $20 Northern Tool. By ARCOM - 2 April 2022 65 0 SHARE Facebook Twitter Go to the deal page: Batteryminder Plus Battery Charger/Trickle Charger/Desulfator — 12 Volt, 1 Amp, 12117TC $20 Northern Tool.