Can a battery tender charge a dead battery?

Can a battery tender charge a dead battery?

a tender will maintain- not charge. a dead battery like you have will need about 48 hours on a 10 amp hour charger. a tender will maintain- not charge. a dead battery like you have will need about 48 hours on a 10 amp hour charger.

How long should a battery tender last?

The normal lifespan of a regular battery is around 5 years. While a maintainer (or tender, if you like) won’t extend the life of the battery, it should allow you to get the full lifespan of the battery. Plus, the battery will be completely charged when you go to start the vehicle.

What does a solid red light mean on a battery tender?

RED LIGHT ON STEADY (Both models) Whenever the red light is on steady, a battery is connected properly and the charger is charging the battery. The red light will remain on until the charger completes the charging stage.

Why does my battery tender flash red and green?

RED & GREEN ALTERNATING LIGHTS: When the red and green lights alternate, then either the 72- Hour Safety Timer has been activated or the battery is defective. 6. Check the battery condition. It may indicate that a very large, good battery is not fully charged, or that a smaller size battery is defective.

How long does it take Battery Tender Jr to charge?

approximately 16 hours

Why is the light on my car battery charger blinking?

Fast flashing indicates a poor connection between the battery and charger or a problem with the battery pack. Remove the battery from the charger and then use a dry cloth or cotton swap to clean the metal contact terminals on the battery. If the flashing continues, then the battery may need to be replaced.

Does red light mean charging?

Red light: not fully charged Blue light: fully charged Connect stick using black cable to either USB port on a computer or to USB/electrical connector and into an electrical outlet. Let stick charge till light is blue. A blue light means it’s fully charged. Red light shows it’s charging.