***2024 UPDATE***
I've owned this since 2018, works like new!
Low and slow is the best way to charge and bring a battery back to life and/or top off a well performing battery. I use this on three cars of mine and help a neighbor here and there. This unit has held up very well over the last six years and does what it should do.
Problem: If your battery is really low in voltage it will not charge,
Solution = Jump the car off a pack or another vehicle let it run for 10 mins and you will then be able to use this to charge that battery. NOTE: Full charging takes days. Use thus on older batteries, to bring them back to life. I recommend using a different 10 AMP charger if you want to charge a battery faster, 10 AMPS works for AMG batteries too.
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2018 (this is what I noticed)
Workers great 1.5 AMPS is the perfect amount to slowly change a battery over ×multiple days×. Remember alternators do not charge dead or low voltage battery's, you need to charge your cars battery.
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From the manufacturer
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Charges/maintains batteries and keeps batteries at optimal charging capacity |
Automatically charges and maintains battery charge level of your 6 volt or 12 volt AGM, GEL and WET batteries |
Includes both battery clamps and terminal rings for direct battery connection |
AC Low voltage compensation ensures maximum performance when used with an extension cord |
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Gives a quick and easy view of battery charger/maintainer operation |
Provides reverse polarity protection to assure that jumper cables are connected correctly |
Easily and safely swap connections between battery clamps and ring terminals |
Dimensions 2.8 x 5.5 x 1.6 inches |
Compare with similar items
This Item  BLACK+DECKER BM3B Fully Automatic 6V/12V Battery Charger/Maintainer with Cable Clamps and O-Ring Terminals, Multi, 1.5 Amp |  |  |  |  |  | |
| Price | -13% $26.12 Typical: $29.98 | $49.99 | $26.95 | $27.99 | -17% $29.75 List: $35.99 | $98.84 |
| Delivery | Get it as soon as Wednesday, May 15 | Get it as soon as Tuesday, May 14 | Get it as soon as Wednesday, May 15 | Get it as soon as Wednesday, May 15 | Get it as soon as Tuesday, May 14 | — |
| Customer Ratings | ||||||
| Easy to use | ||||||
| Value for money | ||||||
| Charging power | ||||||
| Safety Features | ||||||
| Sold By | Amazon.com | GOOLOO | NEXPOWER | oanarll | NEXPEAK CHARGER | Amazon.com |
| input voltage | 12 volts | 12 volts | 110 volts of alternating current | 12 volts | 110 volts of alternating current | — |
| weight | 1.2 pounds | 1.32 pounds | 0.26 kilograms | 0.65 kilograms | 557.92 grams | 1.7 pounds |
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Black + Decker BDV090 | Unboxing, overview and usage
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Black & Decker Battery Charger works great - Why I use it!
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KEEP THAT BATTERY CHARGED!!! B & D trickle charger.
Bob Murtha
Reviews with images
Good trickle charger with multiple attachments
I finally charged the dead and drained battery of my car. It doesn’t charge the dead battery initially, and I read the instructions that it requires a minimum of 2 volts to charge it.So I thought I was out of luck because the battery was completely drained to jump start it. I left my car in storage and hadn’t run it for a while and the battery slowly drained completely.Out of desperation, and after reading the instructions for awhile, then I realized that because it has a polarity sensor to detect the correct positive vs negative poles, so I figured that the minimum of 2 volts in the battery is designed for the polarity sensor to charge it with the polarity in order to prevent shorting the battery if it charges with the opposite polarity at the dead state without any minimum voltage to ensure it’s the correct polarity.So then I decided to trick the charger to start charging the dead battery by giving the dead battery some minimum voltage by connecting the jumper cable to another car’s functioning battery, but not attempt to jump start it yet (because the other car’s battery doesn’t have enough amperage to jump start the completely drained battery).So after I connected the jumper cable to the dead battery to another car’s good battery with the correct polarity first. Then I connect the charger cable to the dead battery. Now the charger detected the minimum 2 volts (borrowed from the other good battery) with the correct polarity, and now the green LED light starts blinking. So it’s a good sign that the charger is beginning the charging process. Then I disconnect the jumper cable and let the charger continue charging without the jumper cable connected.So that did the trick to start charging a completely drained/dead battery by borrowing the minimum 2 volts from the other battery to trick and override the polarity sensor to turn on charging the drained battery from the dead state.It finally fully charged my dead battery after it trickle charged for about 24 hrs because it’s only charging at the rate 1 amp so I expect it to take that long to fully charge a dead battery.After that I can start my car on it’s own and it works fine after that. Now I keep the car battery continues to charge by the charger as maintenance rather than letting the battery to drain dead before charging it for a car that has not run for awhile. And I need the run the car once in a while to circulate the fluid and engine rather than letting it sit there for a month.So the charger can charge a dead battery if you know how to trick it to make it work.
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Top reviews from other countries
Sorabh
Versitile and useful but be wary of the noise
Reviewed in Canada on January 17, 2015Style: ChargerVerified Purchase
Miss G.
Does not state it’s a US PLUG!!!!!!!
Reviewed in the United Kingdom on December 4, 2023Style: ChargerVerified Purchase
