Redodo 2 Pack 12V 50Ah Trolling Motor LiFePO4 Battery, for Marine, RVs

2 parts to this review. The short version first (the TL;DR), then the detailed review later. (Oh, My GOD....please stop talking!!) I bought this 50Ah battery specifically because of the 3.2 volt cells inside, wired in series for 12.8 volts. They're tough, built like a tank & last for many years. Off-grid cabins use these cells, only larger. It doesn't have the silver-ish colored battery packs (like a cellphone does) or the 18650 cells clumped together, like portable power stations & similar products & other 12 volt batteries do. Yes, I know those are just Lithium & not Lithium Iron Phosphate. Big difference there. You really DO get what you pay for here! Good Grade A automotive cells with a BMS all in one package. It arrived here with 13.18 volts but couldn't test the amperage as my multimeter only goes to 10 amps. So I hooked it up to the charge controller, plugged in the panel & it took 380 watt hours to reach absorb mode (14.2 volts) For 2 hours it absorbed, then switched to float & the voltage dropped S L O W L Y....to 13.5. Full charge! Only took around 7 hours to reach absorb.. So yes, please charge (a LiFePO4 charger ONLY!) this fully before using it. The voltage on arrival was good, but the capacity just wasn't there...YET! It's easy to be fooled, as we're used to lead acid batteries & how they work. This is NOT that kind of rodeo with a LiFePO4 battery! Part two: What I bought it for... This battery replaces a 35Ah AGM lead acid battery for a portable solar kit I pieced together, used for dry camping (or car camping) or just to have power when shore power isn't available. I DO live in hurricane country so it's nice to have at least 100 watts of free power as a backup. That kit consists of a 100 watt flexible mono panel (weighs about 4 pounds) feeding into a Victron Energy SmartSolar MPPT charge controller. This Redodo is just a bit larger than the 35Ah AGM I took out, but I found some foam padding that can be placed inside the group 29 battery box to make everything snug & easily transportable without rattling around, & the charge controller sits nicely on top of the foam. It's not pretty, but it works...& that's the name of the game here. It! Just! Works! All the accessories I use for camping either are 12 volt direct, 12 volt rechargable, or USB. No need for 120 volts...I'm not running a restaurant! Charging the cellphone, the portable TV (hey...gotta keep entertained at night...right??), run a small fan & have lights at night That's all I need. I no longer have to monitor the battery for the dreaded 50% Depth of Discharge curse! I can take a LiFePO4 WELL beyond that level & still get more cycles out of it than I can the AGM. But since that AGM is around 10 years old, I've seen a decrease in power retention or how much power it delivers, so it was time to upgrade (& futureproof!) the battery to a LiFePO4. I can't comment on the longevity of this battery, since I just received it about a month ago & have only used it for three days & nights, camping. But if the vendor's claim of at least 10,000 cycles is true, it will last for many years. As far as value for the money goes, only time will tell. Good products will last for many, many uses & will need little to no attention or maintenance. Bad products are tossed into the bin, vendors are notified & refunds are mandated. Nobody gets angry, everyone keeps their cool, it's just a business transaction that didn't work out. That's only fair, right? Redodo, at the present time, I'm happy with the purchase. It does what it claims to do & I can't ask for more. Thank you!

Got battery have been very halt with it. I plan on getting a second to run in parallel fit a little more run time. This one will run my 70 lb trolling motor for about 6 hours no complaints at all. App works well it would be nice if you could set up notifications on it so it would alert if it was getting low you. Nice size and weight.

These batteries are great. I use them for Ham Radio and trolling motors. Light weight, fast charging, and with blue tooth, easy to monitor the state ofcharge.

I decided to purchase the 50 AH battery vs. the 100 AH battery for a 55 lb thrust Minn Kota trolling motor for a 14' jon boat, despite reading various recommendations that a 100 AH battery (minimum) would be necessary. The battery set-up (including blue tooth connection and app that monitors charging, etc.). We've used the battery on three separate 1-hour to 3-hour fishing sessions on our small (45-acre) lake and still have 60% charge remaining on a single charge. We run the trolling motor at 100% between fishing spots on the lake, and use it to adjust the boat after wind causes drifting, etc. Overall, the battery has performed well and I see no need to upgrade to a 100 AH. The only issue I've had so far is that the bluetooth connection drops at times, but this might be a built-in function to reduce the draw on the battery. The only other thing to be aware of is that, if you are used to using a standard battery charger/maintainer to charge/maintain a standard deep cycle lead-acid battery, you will need a charger that specifically charges (or has an option to charge) LiFePO4 batteries. I had one on hand already for a LiFePO4 battery I used for a portable dept finder.

!!!!! .UPDATE!!!!!! CHANGING MY REVIEW TO ONE STAR UNLESS CUSTOMER SERVICE MAKES IT RIGHT AND HINORS THEIR WARRANTY. my entire story with the email chain to prove it, is below. To put this into context, I have 2 amped outdoors 16v50ah lifepo4 batteries on my fiberglass ranger boat and I decided to try these redodo 16v30ah for my LVS34 Livescope and GLS10 Blackbox, plus 2 Garmin Echomap Ultra Gen 2 12" graphs on my 19ft aluminum ranger. I use my fiberglass boat traveling the Midwest and southern lakes fishing tournamentd and the aluminum ranger ONLY gets used when I'm fishing a local derby with a horsepower limit since it has a 115hp outboard and not a 250hp like my other ranger does. So with that said, I've fished a total of TWO DERBY'S with the aluminum boat since I bought this redodo. 1st one was fine since it was a short 6 hour nighttime derby that I didn't really use livescope much for after I found the fish, they were just setup on points and it was fish after fish every single cast so I didn't notice a problem other than the voltage being under 16v already after not even an hour on the water.. Went back home charged it to where it wouldn't take another 0.001 amp, and it's resting Voltage was 16.10-16.13volts.. which is NOT where it's supposed to be. After doing a capacity test I didn't even get a total of 20 usable amp hours out of this thing brand new. So I messaged customer service and I'm in the process of dealing with them and their "please to this test" and share the results.. which Ive now charged and discharged the battery FOUR DIFFERENT TIMES for them and gave them the results.. and I'm still waiting on a reply back.. I will say I'm thankful they answered but I'm very optimistic they'll actually do anything. Will report back here if they actually HONOR THEIR WARRANTY or if they don't. Another thing.. I am lucky enough to have a programmable DC ELECTRONIC LOAD TESTER, A PROGRAMMABLE DC BENCH POWER SUPPLY, countless lifepo4 chargers and tools.. which their test basically require you to have in order to pass the results back to them without guessing (which is nearly impossible to do).. I don't like how their warranty makes us customers do this because say it was my mom, and she bought this for her pontoon boat, and needed it to be warrantied, she wouldnt know where to start and would pry be out 150$-200$. I've ran my Amped Outdoors 16V50AH batteries both for nearly 28 months now and I capacity tested them just to see and their both still well over 50amp hours and run perfectly! So I guess it's true you get what you pay for but I also hoped these guys would honor their warranty since the battery has been bad from the start! Again I'll let u know what happens after 10 emails back and forth with redodo customer service but I'm finally done with the tests and waiting for a reply again now. charging specs I use for mine are Charge Method - CC/CV Charge Voltage - 18.25V Charge Current - 6A (0.2C) to 10A (usually just use 6A) will only charge anywhere from 32Deg to 104Deg F. ****BATTERY WILL COME DEACTIVATED, YOULL NEED A SPECIFIC CHARGER TO ACTIVATE BMS OR USE A BENCH POWER SUPPLY TO APPLY VOLTAGE AND THEN IT'LL WORK LIKE NORMAL AND YOULL BE ABLE TO FIND IT ON YOUR BLUETOOTH BUT WILL NOT TAKE A CHARGE TIL ITS ACTIVATED**

Excellent battery for trolling motor

The battery appears well constructed and performs as expected. However I paid extra for a version with Bluetooth connectivity and the battery monitoring app is a serious disappointment. Firstly, the app REQUIRES a validated email address before you are able to even open the app. Unnecessary and a security risk. Furthermore once you’ve registered, the app immediately tries to establish an outside network connection when opening. I refused it network access after the initial registration, but it doesn’t remember the battery from one session to the next; apparently they are storing the connected battery credentials in a cloud. NOT RECOMMENDED.

Used it for a 8 hour tournament, 15 mph winds for more then half the day, had zero issues on a 21ft Bass Boat. Got back to the shop, check how much charge was used during the tournament and I was pleased on using 20%, can't wait to get back out to see if I can get it lower. The cost is also outstanding compare to a lot of the other companies out there.

It’s ok

Great packaging. Walled polyethylene foam. Keep the box and foam for storage. Foam can be placed under the battery as an insulator for keeping the battery warm. Great customer service, follow up after delivery and easy to contact. 29 April 2024- Follow up. Great battery, I have two now and swap them out now. Great portable power with a 500 W at inverter, will last much longer than an "all in one power box". I have read reports stating the battery loses charge overnight. This is not factual. Read the batter manuals! Life PO charging for 12.7 V at 100 % charge = ( 13.33V). To balance the cells, the mppt or wall charger will over charge to 14.4 - 14.6 V before the BMS stops the charge process. Then, after the battery sets for 12-24 hours, it will show a drop to the 13.33V dc reading. This is not a loss of power; but a settling down of the balancing electron overcharge to the 100% charge SOC (State of charge) battery manual level for 12.7V lifepo4 manuals. In a 50 AH bat, you will typically use 80% before BMS shutdown. On youre MPPT charge controller, it will show that 35-40 amps as having been put back into the battery on the MPPT "after charge" live readout. Get a quality battery two decimal place LED screwdriver meter for better understanding, keep considering results of discharge and charge to the manufacturer's SOC manual rating and confusion of when to charge and disconnect will be resolved.

I've had the 50ah battery for about a year and used it in outdoor equipment. It's performed flawlessly until today. I'm in Toronto. The weather here was -4 C today and the battery is totally defunct. I'm assume the BMS has shut it down. Will investigate further. It did seem like the battery went through other days at these temps without any problem....so I'm not sure what's going on. Update: I was able to charge the battery and all is well. I must have drained the battery. Customer support at Redodo was excellent. The battery can discharge down to -20c, but it can only charge above 0 deg.C. this may be one of the issues causing it to lose charge in winter.

Battery seems incredible but was missing the posts. The seller immediately sent me them but they haven't arrived yet. The battery looks fantastic and was well packed etc and I'm sure will be great.

I recieved the battery and used it in my campers. Stored over the winter and when i took it out it wouldnt charge. I contacted the company and they were very prompt in getting back to me. They asked some questions and asked that I perform some tests which I did, but to no avail. I was speaking to Tina and she sent me a self addressed return and I packed it up. I received an update the next day that they got the battery. Tina sent out another one 2 days later and I got it in one day. Outstanding response and service. Good to know they stand behind their products. Would gladly buy again.