Reviews for EcoPower "Electron" 2S 30C Hard Case LiPo Battery (7.4V/5000mAh) (ROAR Approved) [ECP-5107]

I have bought two of these battries and must say best battery for the buck on the market. I run them in my two wheel drive short course. They will hold their own with my 4x4 also.

Great batts at a great price. Use them on my MP9e on 20 min runs and they hold up like a champ

Only issue i had was the deans solder coming loose on one pack during the first couple of minutes. No biggie, resoldered them back and they've been some of the most reliable and worry free batts i have used.

purchased two, figured for 35$ a piece i couldnt go wrong.... i was right, my friend has a protek pack with the same rating (5c difference in discharge is all) and this lasts just as long and runs just as hard. for half the price. have maybe 25 charges through them so longevity is still undecided but so far they have been awesome. would recomend to anybody.

Bought 2 of these to start with, been rather impressed with them in the first month that I've had them.

Rather impressed with these batteries. I have been using them in a B4.1 racing 17.5, the power is consistent through the run, perfect cell balance between the cells through the charge cycle, all for $35? This is a no brainer for an every day basher, or someone just looking to get into the race scene. I've ran about 6 hours through practice and racing on this pack, and have noticed no loss in power, or any performance drops.

This is absolutely the best pack for the money. I ordered one to try it out and loved it so much I ordered 3 more! Can't go wrong

best batteries i own and will ever own. i have had traxxas, venom, integy batteries and i have sold them and bought these, i get about 25min of run time. the hard case is amazing and can stand up to anything even in a rc boat. i also have one of there chargers and i need to buy another one, best charger on the market and easy to operate


need to buy 2 of everything that amainhobbies makes and so do you.

I bought one of these for my buggy great to use if only new to the hobby and considering there roar approved at this price that's just another bonus

Update: I had 8 of these and all 8 are working great...I sold 1 to a buddy that was brand new...I will continue to buy this product and well now A-main putting them on sale @ $31.99 this is even more of a steal....Great job A-main I love having lots of batteries at the track cuz I have my son running an sc10 who is 5 and I have to watch him rather then a charger...I think when I get to 12 of these bad boys ill be happy

Great batery. Lots of power and so cheap and 5000 Mah ....

Great battery at a great price. I have had two for about 4 months and they work great.

an Awesome lipo pack for the money. they fit in just anything really and the power is awsome.

Very good packs. My son runs them in his t4.1 and he gets about 45 min runtime at track. I bought three really just neaded 1.

Exceptional fit and finish, been using this thing for months now. Ran at least 2 dozen or more charges through it and still charging well over capacity (5150+) and giving amazing punch.

Please though add a Traxxas connector option! The cost of buying the adapters and soldering/paying someone to solder kind of nullifys the savings of this otherwise great battery.

great battery and performance..great price and weight

If your are planing on running a pair of these in a e-revo, the batteries are just small enough to fit in the battery location. But be prepared to do some small trimming/ modifying to allow the batteries to fit correctly with out binding the wires and to able to close the sides. So far I've put about 20 minutes of run time on dual packs and they have a good 30-40% more power then the stock 7-cell. (still running the stock brushed motors)
Great batteries for the price and Really Great power

Great packs. Bought two at first. Will buy more soon! Running in my Slash with the Velineon System. Great affordable battery!

Great packs. I use them for practice. Last forever!!

All I can say is WOW! I have a gens ace 40C... I've never been able to make my car pull a wheelie from a roll down the street. This EcoPower pack can literally make my car flip over (not that it's desirable to flip over), even if I'm already booking pretty good. It has some serious punch that gives you that ear to ear grin. Are you sure they didn't accidentally put 3 cells in there? =-)

Cars:

Helion Dominus 1/10 4x4 SCT
- Spektrum telemetry radio
- Viper VX4R.51 motor and Copperhead-R ESC
- S6020 servo
- AKA 1/8 scale buggy wheel adapters
- Lots of bald tires
- 50/13 32p gearing

TLR "Princess" 22
- Custom paint: Iridescent purple/green with yellow polkadots (wife's car)
- Bone Stock kit
- Castle Sidewinder ESC, 1410 motor
- 76/23 64p gearing

Love the battery bought two, charges good, has awesome power, and last about 25min with my slash 4x4 going all out up and down my road and my road is a hill.