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draven
Reviewed in the United States on March 16, 2025
You have lipo batterys this is a must. This machine is awesome 4s battery storage charge from full 9amps discharge better than 1amp with chargers. The app is great. Really great machine...
Samantha
Reviewed in the United States on February 19, 2025
if using LiPos for RC Racing, highly recommend! , easy! to the point! and Intuitive! and has an App to use if discharging multiple batteries after racing one at a time of course, but also up to 25amps, and can discharge then at a RACE Drain, in about 5min!!
Tracy
Reviewed in the United States on September 27, 2024
Device seems ok so far, but it does not connect to newer Android phones via bluetooth. The app knows it's there as it shows the device. The app is stuck on the device screen (that shows the stats) and just sits and spins. While the app is on, you can see the discharger hunting for BT. When app is off, it doesn't.So far haven't been able to figure this one out. Many other reviews mention this issue, but I thought I'd ignore them. I was wrong.-Manually discharging works.-Discharges to 3.78v/cell by default, which I'm OK with-The writing on the face of the device that indicates cells and discharge rate are very light and hard to see in anything but good direct light-Very loud. Doesn't bother me, but it does bother someIMO, I'd spend the extra $20ish on another option that has a display and none of these issues.Overall I would not recommend. Manufacturer doesn't seem to want to support their app and/or BT functionality.
John
Reviewed in the United States on July 29, 2024
Have been using the smaller FD-100 dischargers for years and really like their performance and simplicity of use. Figured I would try the FD-200 and I was quite impressed with it's performance also. The one added feature I found really nice was the Bluetooth phone app that lets you configure the discharger through the app. Learning to use the app can be a bit frustrating as there's not much in the way of instructions but a YouTube search for this unit will bring up a few reviews that are helpful. The photo I attached is a little cluttered but the FD-200 is at the top left on the table along with three FD-100 units. The 200 is quite a bit larger than the 100's but works just as well, and the fact that these units utilize the power of the connected battery to perform the discharge function is quite an efficient use of energy. Even though in the photo I was discharging some very small 2S packs it easily discharged the larger 6S pack next to the FD-200 unit quickly with ease. Even though these devices connect to the battery through the main power connector I've never had any mismatched cells in any packs I've discharged. This is an excellent device that I highly recommend.
Tony
Reviewed in the United States on July 29, 2024
I'm using it to discharge 6S 5000mAh LiPo batteries. I had to adjust the minimum voltage to 3.85 to avoid surprises. The app works fine. No other issues so far.
Nick DeCarlis
Reviewed in the United States on June 9, 2024
I have a very good charger (lipos, up to 6s for RC airplanes), but it will only discharge up to about 1A. If I charge 6 5000-6000 mAh lipos and then don't fly due to fog or whatever, that's a lot of time to get all of the cell counts down to 3.7v. It's probably not good to leave lipos fully charged for days, let alone all that energy sitting there in you home if something goes wrong.A club member told me about this product and both my father and I purchased one. It's smaller than you might think from the photo. You don't plug it in to a wall outlet, since it's powered by the battery you are discharging. It discharges up to 200W, which is a lot -- the battery voltage, times the amps discharge rate you select, equals watts. So as long as that number is under 200, you are good. The second lipo I discharge, I set at 10A and everything went fine. There is an app you can download that allows you to pick the amp discharge rate, as well as the final cell voltage, and monitors the progress via bluetooth. This unit costs less than a lot 6s lipos, so I don't see how you can go wrong. Final note, I expected it to generate more heat while discharging -- surprisingly very little. I only gave 4 stars on the easy to use because I don't think the directions are great -- the first time you use it, you may figure out most of it on your own. After that, I think it's very easy to use.
ALWAYSFLYING46
Reviewed in Canada on June 28, 2023
Great little unit. It discharges fast. Not much to say. It is on the loud side tho
Denis Routhier
Reviewed in Canada on April 9, 2023
Just what I needed. Works flawlessly to discharge my batteries if I need to bring them to storage charge due to not being able to use them after I’ve charged them to 100%.
Harold Watkins
Reviewed in Canada on August 22, 2022
It used to take me over an hour to discharge my 3300 battery.Now, it takes just 7 minutes for a fully charged battery.
R Thomas
Reviewed in Canada on December 3, 2022
I use this to discharge my LiPo Polymer batteries. And I have some very large ones. You can set the discharge rate in amps and also the final voltage. Use it to discharge many batteries of the same charge on a multi balance board too.I now have 4 or them.
Glen H
Reviewed in Canada on October 8, 2022
This storage discharging unit works great! It’s super fast and has a nice phone app that helps you monitor and setup up your discharge.It’s very important to storage charge you Lipo packs at the end of the day of use and for the end of the season! This unit will discharge your lipo down to 3.8 volts per cell in a matter of minutes instead of hours, that a typical lipo charger discharged will do. The fan is loud and the only drawback to this unit. I set mine on a mouse pad and that helps to quite it down some.
Travis1210
Reviewed in the United States on April 3, 2020
ProsWorks amazing I sometimes charge the batteries and don’t get to use them all or get rained out and this is a great time saving Adam to help me discharge my batteries quicker. Does not have a balance port however you can choose the end voltage and it seems to be very close when it is done and then put it on my hobby grade charger to put into final balance/storage hold. Small size excellent build quality Will work with about any connector with use of easy to obtain adapters. Fan is a little loud but definitely keeps the unit nice and cool I have never had the internal temperature to get above 60 Celsius. I also use this to cycle my new Lipo batteries when I get them for a few cycles I can charge them discharge them and recharge them much quicker than before now makes my batteries hold charge and last longer.ConsThe app for this unit isn’t great it works pretty well but doesn’t work great this is not a huge problem and the only thing keeping me from giving this five stars across-the-board in every category. But it is not something that would stop me from buying this unit over again. Some will say that this unit is loud and it does make quite a bit of fan noise but if you’re discharging at 25 A you have to expect some fan noise. Also some don’t like the lack of a balance port however this is not a balance charger or discharge her you still need to balance or storage charge your batteries after each use
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