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Your question was not stupid, in spite of what the other person said. Many people do not understand the subtle differentiation between the different models, and if you're planning on charging an AGM battery these differences are important. The Battery Tender (non-Plus version) and the Battery Tender Plus are differen… see more Your question was not stupid, in spite of what the other person said. Many people do not understand the subtle differentiation between the different models, and if you're planning on charging an AGM battery these differences are important. The Battery Tender (non-Plus version) and the Battery Tender Plus are different chargers which behave differently. If you have an AGM battery, you want to use the Plus version, not the regular Battery Tender. Both the regular Battery Tender and the Battery Tender Plus have an absorption charge mode, but the maximum charge voltage is different for the non-Plus vs. the Plus version. This is because the AGM battery requires a higher voltage than the Battery tenders designed for conventional wet-cell lead-acid batteries were designed to deliver. The Plus version, which came after the regular version, uses a higher voltage that is required by the AGM type of battery. The lower voltage of the non-plus version will partially charge the AGM battery and go into maintenance mode prematurely. It will not fully charge an AGM battery so it will not do as good a job. The Plus version also has a timer to hold the absorption voltage longer than the non-Plus version. These specific changes in the Plus model were made to accommodate the charging requirements of Absorbed Glass Mat (AGM) style lead acid batteries. Although a Battery Tender (non-Plus) will "charge" an AGM battery most of the way, it doesn't fully charge the battery as well as the Plus version. For an AGM battery you want the Plus variant, for a non-AGM battery you want the non-Plus variant. see less Your question was not stupid, in spite of what the other person said. Many people do not understand the subtle differentiation between the different models, and if you're planning on charging an AGM battery these differences are important. The Battery Tender (non-Plus version) and the Battery Tender Plus are different chargers which behave differently. If you have an AGM battery, you want to use the Plus version, not the regular Battery Tender. Both the regular Battery Tender and the Battery Tender Plus have an absorption charge mode, but the maximum charge voltage is different for the non-Plus vs. the Plus version. This is because the AGM battery requires a higher voltage than the Battery tenders designed for conventional wet-cell lead-acid batteries were designed to deliver. The Plus version, which came after the regular version, uses a higher voltage that is required by the AGM type of battery. The lower voltage of the non-plus version will partially charge the AGM battery and go into maintenance mode prematurely. It will not fully charge an AGM battery so it will not do as good a job. The Plus version also has a timer to hold the absorption voltage longer than the non-Plus version. These specific changes in the Plus model were made to accommodate the charging requirements of Absorbed Glass Mat (AGM) style lead acid batteries. Although a Battery Tender (non-Plus) will "charge" an AGM battery most of the way, it doesn't fully charge the battery as well as the Plus version. For an AGM battery you want the Plus variant, for a non-AGM battery you want the non-Plus variant.
Customer
· April 29, 2015
  • 31
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Answer:
John,
California just passed a law that requires manufactures of battery chargers to be more energy efficient. They are saying battery chargers take too much electricityy to run them. Some manufacturers are beginning to re-tool so they can comply. However this is a double edged sword. Consumers in California will m… see more
John,
California just passed a law that requires manufactures of battery chargers to be more energy efficient. They are saying battery chargers take too much electricityy to run them. Some manufacturers are beginning to re-tool so they can comply. However this is a double edged sword. Consumers in California will most likely pay more for the chargers than what they will save in electricity use in a years time.
Joe see less
John,
California just passed a law that requires manufactures of battery chargers to be more energy efficient. They are saying battery chargers take too much electricityy to run them. Some manufacturers are beginning to re-tool so they can comply. However this is a double edged sword. Consumers in California will most likely pay more for the chargers than what they will save in electricity use in a years time.
Joe

Boat and RV Accessories
Seller · March 22, 2014
  • 7
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    votes
Answer:
if your battery is low it may take up to 3 0r 4 days since it's a low amp charge and designed to keep the battery at full charge once it's at full charge. This charger is super for use when you don't drive the vehicle a lot and it sits for any length. it can be used on the battery in the car or taken out, once it's on … see more if your battery is low it may take up to 3 0r 4 days since it's a low amp charge and designed to keep the battery at full charge once it's at full charge. This charger is super for use when you don't drive the vehicle a lot and it sits for any length. it can be used on the battery in the car or taken out, once it's on it can stay plugged in all winter of summer just unplug it when you go driving. If the car stays outside they make a waterproof model. If your looking for a fast charger this is not what you want, if you do buy this make sure it's the 12 volt model ... hope this will help you see less if your battery is low it may take up to 3 0r 4 days since it's a low amp charge and designed to keep the battery at full charge once it's at full charge. This charger is super for use when you don't drive the vehicle a lot and it sits for any length. it can be used on the battery in the car or taken out, once it's on it can stay plugged in all winter of summer just unplug it when you go driving. If the car stays outside they make a waterproof model. If your looking for a fast charger this is not what you want, if you do buy this make sure it's the 12 volt model ... hope this will help you
paul levine
· December 3, 2013
  • 2
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    votes
Answer:
Yes it is.
Rick Platt
· April 29, 2014
  • 2
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    votes
Answer:
Sure
Amazon Customer
· March 23, 2019
  • 1
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Answer:
unit marked "made in prc" - presume people's republic of china
Dorothy L.
· March 8, 2014
  • 1
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    votes
Answer:
PRC--Peoples Republic of China
Bi11fish
· January 18, 2014
  • 1
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    votes
Answer:
If your truck battery is in good shape AND FULLY CHARGED. Don't try to charge a battery with this. No battery. It's made to maintain a charge. I've had one for 18 years that I use all the time. 2 Harleys, 2 garden tractors, a car and a pickup. I use it year-round. Continuous all winter on 4 different batteries. My pick… see more If your truck battery is in good shape AND FULLY CHARGED. Don't try to charge a battery with this. No battery. It's made to maintain a charge. I've had one for 18 years that I use all the time. 2 Harleys, 2 garden tractors, a car and a pickup. I use it year-round. Continuous all winter on 4 different batteries. My pickup has a battery with 1100 cold cranking amps. I have used it on that battery to keep it up when the truck was down for 9 months. BUT THE BATTERY WAS FULLY CHARGED WHEN I PUT IT ON. This winter I tried to charge my sportster's battery that was very low. Barely turn over. First time I ever tried that. BIG mistake. Fried it.
18 years I had that Battery Tender and my stupidity fried it. I knew better, I was being lazy. Now I gotta buy another one. Probably a 4-bank. Everyone should own one. see less
If your truck battery is in good shape AND FULLY CHARGED. Don't try to charge a battery with this. No battery. It's made to maintain a charge. I've had one for 18 years that I use all the time. 2 Harleys, 2 garden tractors, a car and a pickup. I use it year-round. Continuous all winter on 4 different batteries. My pickup has a battery with 1100 cold cranking amps. I have used it on that battery to keep it up when the truck was down for 9 months. BUT THE BATTERY WAS FULLY CHARGED WHEN I PUT IT ON. This winter I tried to charge my sportster's battery that was very low. Barely turn over. First time I ever tried that. BIG mistake. Fried it.
18 years I had that Battery Tender and my stupidity fried it. I knew better, I was being lazy. Now I gotta buy another one. Probably a 4-bank. Everyone should own one.

Charlie
· November 29, 2014
  • 1
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    votes
Answer:
You get what everything you need to hook it up
Mike Fajen
· January 31, 2018
  • 1
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    votes
Answer:
The internal processor will trickle charge until the battery is up to approximately 14 volts. Then it will change to green indicating a fully charged battery. If there is a battery problem or a load that prevents the charge getting to 14 volts it will continue to trickle charge until the 14 volts has been reached. Anyt… see more The internal processor will trickle charge until the battery is up to approximately 14 volts. Then it will change to green indicating a fully charged battery. If there is a battery problem or a load that prevents the charge getting to 14 volts it will continue to trickle charge until the 14 volts has been reached. Anytime the unit is removed the battery voltage will drop towards 12 volts and this process starts over. If I haven't charged the battery but have been using the car, putting the charger on the battery it will take about an hour or two to get to the green light phase normally. see less The internal processor will trickle charge until the battery is up to approximately 14 volts. Then it will change to green indicating a fully charged battery. If there is a battery problem or a load that prevents the charge getting to 14 volts it will continue to trickle charge until the 14 volts has been reached. Anytime the unit is removed the battery voltage will drop towards 12 volts and this process starts over. If I haven't charged the battery but have been using the car, putting the charger on the battery it will take about an hour or two to get to the green light phase normally.
Jimo
· May 22, 2017