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Sparks57
Reviewed in the United States on March 11, 2025
Installed 4 of these in parallel on my 40' sailboat almost three years ago as the house bank. They are charged by solar, engine alternator, or battery charger depending on the circumstances. Have crossed the Gulf, spent months in the Bahamas, and months in Nova Scotia. These batteries are amazing compared to Lead acid, AGM, or Gel. Have tried them all and hands down theses are the best. Light, quick charging, and go for days, even under sail or at anchor, in cloudy weather. We spend quite a bit of time offshore and these have been flawless.
Brad J Jones
Reviewed in the United States on January 16, 2025
I bought 2 of these batteries to hook up in parallel and connect to an inverter as a portable power bank.SOOOO much cheaper and better capacity than almost all “solar generators” available.I’ve charged them up twice and load tested them and they hold a steady voltage as expected.They aren’t huge, but they are much lighter than they look that’s for sure.
GARMEN
Reviewed in Canada on January 14, 2025
This is a real good quality battery. The battery had 50% charge on the delivery (around 13v), and the manual remind if first time use it needed full charge to 100%. I do charge it from 50% to 100% (14.5v) take 3 and half hours ( 12v 20amp charger), it is reasonable.The price is fair.
Charles Guerin
Reviewed in Canada on September 8, 2024
This is a fantastic battery, used it with my trolling motor and also as a power source for HF radio. Solid power, clean, easy to charge... flawless. And that's after nightmares with my Dakota battery at 3 times the price.
Dan Jones
Reviewed in the United States on November 4, 2024
I picked this battery up for a two week camping trip. I used it to keep my 12v ice cooler/freezer running overnight. It worked great! Kept everything running and charged up great with my solar panel. I couldn't test the actual capacity because I don't have the equipment for that but, based on the percentages I had from my charge control this 50AH battery has closer to 52AH capacity. So so I got a little extra bang for for my buck!It's great for a small DIY solar generator. I used it to keep my electronics going after the sun went down. It kept my mini freezer running all day and night. Great battery for the money.
fm
Reviewed in Canada on March 21, 2023
After spending time looking for a replacement for my RV I decided Redodo was the best option. The battery came well packaged which was good as delivery driver decided to place it on its side. Box was damaged from this but the battery was so well packaged it was perfect. The instructions are really good with a simple quick start card and a larger manual for more detail. They send two sets of terminal screws which is nice to have in case you loose one. The one thing I did not expect was the sizethis battery is about the size of a 31 series AGM. What is have now is a 27 size so battery box will need to go. I do see Redodo now has the same amp battery but in a mini size that would have fit. Even with the larger size this battery is so much lighter. Easily half the weight of my AGM battery which is good for us older guys. Checking the battery and it was about 50% charged at delivery. Once I charged it to 100% I decided to try it out. For my needs I am looking at being able to run a fan, water pump and lights in our RV with occasional 110 volt items using inverter. I connected a 1000 watt inverter and ran a house fan for 3 1/2 hours and only lost 10% which is perfect for my needs. Will be trying out this summer and can't wait. Finally able to camp without worrying about power.Update: Finally had a chance to camp off grid and this battery is even better than I expected. Our camping was for 7 days straight with only battery for power. Starting with full charge we ran our water pump (28 gallons used) 3 way fridge (propane on but power control board) all lights, charge 2 phones and tablet daily as well as furnace a few times for heat. After 7 days I still had 40% left over. Last year we did the same with 2 AGM and I ran out by day 6. Nice to know I don't need to worry about that any more. Best purchase ever.
Elizabeth
Reviewed in Canada on November 30, 2023
We first purchased one of these batteries in 2022 to use for our small boat with a 40lb thrust trolling motor. It works very well and lasts a long time but it takes a long time to charge when it's dead. We did buy a 20 amp charger and it does speed up the charging time. We ended up buying a 2nd battery because where we like to fish, there's no electricity and the generator that we can use to charge is only on for 3 or 4 hours and that's not enough time to fully charge the battery from dead so having the 2nd battery is a backup so we don't have to row when the battery has been killed. The 2nd battery price was significantly cheaper than the 1st battery price so it was an easy decision to get the 2nd one.
Aidon M.
Reviewed in Canada on July 26, 2022
This battery arrived faster than the predicted date and packaged in abs plastic sheath. I hate basic styrofoam, so this was nice. opening the box was fun, there is a wonderful information book and two sets of battery terminals as well as insulator caps. the book has all kinds of information consolidated and its easy to understand.Unlike some smaller lifepo4 batteries, this battery has the posts oriented similar to lead acid/agm etc, positive on left, negative on right. Both are clearly marked.i got a 100ah battery. I dont know what the peak output is, but it is not quite as simple as 100a * 12.8v.**i updated my review to say i was unable to power a 743watt sump pump or a 1001watt kettle, pretty much anything under 500 watts with this battery. I suspected the bms was low as that is a thing with some batteries. I am relieved and pleased to share it turns out my grounding wire had damage i was unaware of. I repaired this and the battery is able to power everything i throw at it. I believe this is a limitation of my inverter. I have two pure sine inverters, one needs a ground the other is advertised not needing an earth ground, upon testing that one it runs everything but my furnace. My furnace checks for a ground and will not work without one, even though it draws under 500 watts. i decided to ground both inverters because it's a simple matter to run a grounding cable from the battery.whether you need a ground or not, i can happily report that starting from a full charge i can run my full size fridge for 16 minutes at 495watts, then run a kettle at 986watts to boil water, then the furnace at 475watts for 8 minutes. the kettle will cause the voltage to dip down to 11.5v at startup although a couple minutes in it climbs to 11.7, about 20s after the kettle clicks off the battery returned to 13.2v. running the fridge and furnace the battery held at 13.0v.I'm pretty happy with that performance. I had to let the battery sit for over an hour before it would accept a charge to top it back up, im not sure if that's normal.the manual recommends a 20a to 50a charger. i use a 10a lifepo4 charger and it works fine. my noco genius had mixed results and although all the conditions are met for noco compatibility, wasn't reliable.there are so many numbers it can be confusing and there's differences between rv and off grid usage so im still learning. my usage is closer to off grid use. multi-day power outages are common in my small canadian town where electricity apparently is hard, so batteries help my sanity.if things go well and the battery proves reliable, consistent, i will buy another.
Diablo Blanco
Reviewed in the United States on December 16, 2022
I own a pool cleaning company that utilizes portable vacuums to speed up the cleaning process for my technicians. For years we had used Group 37 Deep Cycle flooded Lead Acid batteries but found the our technicians would run them completely dead every day and shorten the life of the batteries dramatically causing us to replace the batteries every 3-4 months. THESE GUYS ARE HARD ON STUFF. Usually these batteries would be warrantied but it was a hassle. We also tried AGM batteries thinking they might be better but we had the same results. It just cost more money.Several years ago I started playing with Lifepo4 batteries on my travel trailer and eventually I built an off grid system to power our shop using Lifepo4 batteries, solar, and a few inverters. I decided to try one of my old Travel Trailer batteries in the portable vacuums our technicians use and IT CHANGED EVERYTHING. Not only does it lighten the load the tech brings into the back yard but they LAST ALL DAY.The original battery, which is still in service today, was a weize branded battery which wasn't available when I decided to start switching the cleaners over to Lifepo4 (I think they are now again) as the lead acids failed and I found Redodo. Weird name, fancy colors, and a great price. I gave them a shot and I am glad I did. We now have all of our cleaners running Redodo, and knock on wood they have performed flawlessly. My technicians love them because they can work more efficiently, and every guy that has had his "cart" changed out to the redodo immediately comments on how much lighter and easier it is to move into and out of our clients back yard.Are these batteries more expensive than conventional batteries? Yes. But they have so far more than paid for themselves in productivity increases (not having to swap batteries half way through the day). Due to the discharge voltage curve my techs have also commented that the batteries never slow down like lead acid. As long as they last more than a few years I will keep purchasing them!
stinky
Reviewed in the United States on January 21, 2022
An amazing battery checked out under load for me. I would write more but my review keeps getting kickedI personally depend very heavily on reviews that are posted on Amazon, as do many other consumers. I not only read what reviewers say, but look to see what their pictures reveal about a products true quality and description. I aim to not only feature the products I review in many different aspects, analyzing many qualities, I also provide my own opinions on ALL the good AND bad experiences I have with the product I review. I take time to learn and use a product as it was intended before I review it, and I have used this specific product thoroughly.My rating system:5 - Met all my expectations. Was described and pictured perfectly. Exactly what I wanted and needed. Extremely useful product and a great value. Would recommend to family and friends.4 - Very good product. Exactly as described. May have a minor flaw, mentioned in the review, that does not detract from the products perceived value. Would recommend to family and friends.3 - Average product. Not exactly as described, or misleading advertising or product pictures. Possibly substandard build quality, or something else explained in the review. Would mention as an option to family and friends, but not recommend.2 - Wouldn't recommend this product. Poor build quality, not close to being as described. Flimsy and fragile. Difficult to use due to product flaws.1 - Do not purchase whatsoever. Usually only given if product lasts only a few hours/days/etc. I do not leave 1 star reviews without contacting the seller. I will be returning the product.I did NOT receive ANY discount for this product. I simply enjoy reviewing every one of my purchases.
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