Optima Digital 400 12V Performance Maintainer and Battery Ch... - 2024 report by Whydis

Optima Digital 400 12V Performance Maintainer and Battery Charger - 150-40000

Reviews by Features

Job

(23 reviews)
Work

(17 reviews)
Battery tender

(29 reviews)
Design

(16 reviews)
Maintainer

(29 reviews)
Money

(18 reviews)
Advertise

(22 reviews)
Thing

(23 reviews)
Charge

(62 reviews)
Unit

(38 reviews)
Plastic

(17 reviews)
Start

(9 reviews)
Weather

(8 reviews)
Year

(9 reviews)
Cell

(7 reviews)
Volt

(4 reviews)

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Reviews around job (4.73 of 5)

  • Optima has done a great job to make charging your battery easy and simple.
  • The Optima charger does a great job to recharge the battery without hassle.
  • Does a great job of charging and maintaining my optima battery
  • No issues, did its job!
  • This thing does a great job at charging and maintaining AGM batteries.
  • Read remaining 23 reviews for job

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Reviews around work (4.64 of 5)

  • I used this to charge up both batteries and now they're working great again.
  • This Optima specialized battery charger works great for keeping your blue top Optima batteries conditioned and charged
  • This one works great, was able to even charge my almost dead motorcycle battery that other chargers would refuse to charge
  • Alittle on the spendy side works really espesially for its size!
  • I can't say enough about how fast and great this works.
  • Read remaining 17 reviews for work

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Reviews around battery tender (4.41 of 5)

  • Bad A$$.Love
  • Bought the most expensive battery tender on the market (consumer-grade) and it failed on 2nd use
  • I attached my second Battery Tender on it to keep it topped off
  • I placed the Battery Tender unit on the revived battery
  • Depressing as it is a sealed battery that shouldn’t vent and prior to now has never had any issues
  • Read remaining 29 reviews for battery tender

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Reviews around design (4.26 of 5)

  • Poorly designed display
  • I agree with other posters that it is quite handsome and really well designed in that there is a compartment you can roll up the cables to stow them out of the way, a nice handle that 'clicks' into place, and a selector to choose the battery type
  • However for a charger that works so well the design for the cords is very poor
  • Well made, smart design, easy to use, rugged, perfect size for traveling with me to my boat.
  • It is well built, very easy to use, and if you are someone who cares about how it looks you will love the design.
  • Read remaining 16 reviews for design

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Reviews around maintainer (4.20 of 5)

  • The charger worked as it should for the first couple of charges, but then all of a sudden it would get stuck in 'charging' mode indefinitely no matter how long the charger was left connected to various batteries, never advancing to maintenance mode on the LCD display.
  • The charger worked as it should for the first couple of charges, but then all of a sudden it would get stuck in 'charging' mode indefinitely no matter how long the charger was left connected to various batteries, never advancing to maintenance mode on the LCD display.
  • After a couple failed battery charger purchases, the Optima performance maintainer works as it should
  • great battery charger and maintainer I’d buy again it works with all batteries
  • Depressing as it is a sealed battery that shouldn’t vent and prior to now has never had any issues
  • Read remaining 29 reviews for maintainer

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Reviews around money (4.12 of 5)

  • Wasted money on two other a AGM Chargers before I got this one
  • works great and easy to use ..well worth the money ..very well made
  • Definitely worth the little bit extra money for this charger
  • The other brand of which I will not mention, claims that it works, but do not waste your money.
  • Wasted money
  • Read remaining 18 reviews for money

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Reviews around advertise (3.88 of 5)

  • Bad A$$.Love
  • Yes, the batteries had been primed by my efforts over the past month but the charger worked exactly as advertised
  • Arrived on time, works as advertised, charged a Blue top that conventional charger would not.
  • But the charger works as advertised and recovered my old sears die hard when my other charger would not.
  • Depressing as it is a sealed battery that shouldn’t vent and prior to now has never had any issues
  • Read remaining 22 reviews for advertise

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Reviews around thing (3.81 of 5)

  • Not a real negative thing, but I don't want it lit up all night in the garage
  • Ended up in the trash, what a waste of 200$. I have had zero problems with optima products over the years as almost all of my vehicles have red tops in them but this things was a waste of my money
  • I really wanted to love this thing but only after using it three times the storage hanger wings on the chargers back side that enables it to hook onto the storage caddie both broke off
  • I have owned this charger for about 6 months and have nothing but good things to report about it.
  • it must have fixed something it thought needed fixing; which I presume to be a good thing.
  • Read remaining 23 reviews for thing

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Reviews around charge (3.63 of 5)

  • Well my battery holds a charge again no problem so it definitely worked!
  • This Optima specialized battery charger works great for keeping your blue top Optima batteries conditioned and charged
  • I am happy with the slow charge because fast charging can cause some permanent capacity loss for lead acid batteries.
  • Which is a problem because that system wont fully charge an Optima battery correctly and eventually the battery will fail due to improper charging
  • Once completed, it will start a slow charging cycle to restore the battery to 100% (or as close as it can get to that)
  • Read remaining 62 reviews for charge

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Reviews around unit (3.46 of 5)

  • Nice unit and works very well with my red top optima battery.
  • Took my Optima red top to a big chain parts store, and they told me their tester (probably some professional, extremely expensive unit) said it was dead, reading 3V. I left it there for further analysis
  • This is an expensive charger and while it was working, it was a great unit.
  • Also, a great unit to have to simply keep your battery on when not in use to maintain charge.
  • After using it for about two months, the display began to lose scattered segments then the unit would fail to work at all
  • Read remaining 38 reviews for unit

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Reviews around plastic (2.02 of 5)

  • If you wish to put the charger on a wall a very durable plastic rack where the clamp connectors can be hung.
  • The charger worked as it should for the first couple of charges, but then all of a sudden it would get stuck in 'charging' mode indefinitely no matter how long the charger was left connected to various batteries, never advancing to maintenance mode on the LCD display.
  • I like that it is compact, tells you what is going on with the battery while it is charging/maintaining, it is rigid plastic and can take a drop onto concrete from time to time.
  • Like I said, it has done what it has to do but the plastic is a bit cheap.
  • But that went about as well as you might expect, with the glue not being strong enough and the plastic being too brittle.
  • Read remaining 17 reviews for plastic

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Reviews around start (1.95 of 5)

  • I got this to charge up an Optima yellow top that is 3.5 years old and kept draining to low volts because of a car alarm/remote start system
  • On the first use, after reading through the user manual, the unit started smoking.
  • After a couple failed battery charger purchases, the Optima performance maintainer works as it should
  • But I actually read the manual for the first time and since that, I’ve recovered 2 of my battery’s that have been well dead for years
  • After one false start, telling me to check the battery, it fully charged the batteries to a full 13.36V.
  • Read remaining 9 reviews for start

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Reviews around weather (1.69 of 5)

  • After a couple failed battery charger purchases, the Optima performance maintainer works as it should
  • The charger worked as it should for the first couple of charges, but then all of a sudden it would get stuck in 'charging' mode indefinitely no matter how long the charger was left connected to various batteries, never advancing to maintenance mode on the LCD display.
  • Depressing as it is a sealed battery that shouldn’t vent and prior to now has never had any issues
  • My only complaint is the display can be a bit hard to read in cold weather
  • But due to my very little driving and cold weather recently, I have noticed my vehicle was hard to start on cold mornings.
  • Read remaining 8 reviews for weather

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Reviews around year (1.61 of 5)

  • This baby charged and topped of the battery in the chevy, and turned around around and charged, topped off and conditioned the stone some odd year old battery in the garage
  • Batteryminder also offers a 5 year "hassle free" warranty compared to Optima's 3 year hassle warranty.
  • The LCD (central circular) went bad after several months (but < 1 year).
  • Now unable to use the wall hanger.. I carries a three year
  • Depressing as it is a sealed battery that shouldn’t vent and prior to now has never had any issues
  • Read remaining 9 reviews for year

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Reviews around cell (1.38 of 5)

  • I tried to recondition my son's 14 year old Optima Red Top battery and have been unable to get it reconditioned because the battery obviously has a bad cell.
  • In researching batteries on the web, I learned most conventional chargers will not recognize a battery that has dropped below 10.5 volts, and one charger I had gave an error code of a dead cell
  • I own a car dealership and it can save you $1000 as it can revive the deadest cells
  • My diehard starter/charger would'nt charge it, kept coming up bad cells, the voltage showed 5.3 volts today when I hooked it up and instantly the charger went into conditioning mode and the voltage started going up, it was @ 7.5 volts within 20min
  • I own a car dealership and it can save you $1000 as it can revive the deadest cells
  • Read remaining 7 reviews for cell

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Reviews around volt (1.00 of 5)

  • Always conditions and then charges my Optima yellow and red top and std batteries for Jeep, Autocross car and 2 trailers withing about 6 hours for a dead <8 volt battery
  • My 2020 Grand Cherokee has an OEM AGM battery with an EXPLICIT warning that you can not exceed more than 14.4 volts for the absorption period
  • The attached pictures have data from two cheap 430 CCA 12-Volt flooded lead-acid batteriesQuestions
  • They share their charging profiles online with full transparency, and they do NOT exceed 14.4 volts, albeit at a slower rate of 1.25 amps

You are reading snippets from reviews of Optima Digital 400 12V Performance Maintainer and Battery Charger - 150-40000