Gooloo battery maintainer in standard mode is not charging. I left it on for two days and despite the battery being less than a year old, there was still no charge. Battery
Amazon.com: GOOLOO 4-Amp Car Battery Charger Automotive, 6V/2A and 12V/4A Battery Charger Maintainer, Trickle Charger, Supersafe Smart 12 Volt Float Charger, Battery Desulfator for Lead-Acid Battery(S4) : Automotive
Amazon.com: GOOLOO 4-Amp Car Battery Charger Automotive, 6V/2A and 12V/4A Battery Charger Maintainer, Trickle Charger, Supersafe Smart 12 Volt Float Charger, Battery Desulfator for Lead-Acid Battery(S4) : Automotive