Will A Battery Tender Charge A Dead Motorcycle Battery. Leaving it connected for a long period of time will not hurt the battery but the battery and charger should be checked for normal operation if charging for an extended amount of time. I hooked it up and it keeps flashing the red light which means the battery is not charging.

After the battery voltage reaches 145 volts the Battery Tender Plus will go into storage mode after 8 hours or when current is less than 01 amp whichever comes first. All you need is a somewhat good battery. It means you would have to measure voltage level across the terminals.
I would show you how to remove your battery trickle charge the battery leave your trickle charger connected to it permanently and also how to.
Therefore a fully discharged 15 Amp-Hour battery will take approximately 9½. Ad Fast Free Shipping on Orders Over 40. The battery is a original yamaha battery. I agree something is wrong either with the battery tender or your battery.
