Maxamps not up to snuff?

[BP-Revo]

Originally Posted by neweuser

Of course, I have not tried the Flight Powers, which could be why. The reason is runtime. I cannot find a flight power pack that goes to 8000mah

Sylvester used to run 4S 8000mah MaxAmps in his 1950 powered LSP. He since switched to 3700mah 4S 25C FlightPowers and only lost 10 minutes in runtime (30min down to 20). So, it seems that per amp-hour, the Maxamps packs provide 3.75 minutes, while the FlightPowers provide 5.4 minutes. Not only that, but he said the overall performance of the FlightPower packs was significantly better than the MaxAmps packs.

MaxAmps packs are pretty good packs, but their packs lack a lot of qualities that I switched to LiPo to obtain. For me, I see LiPo as a lightweight pack that can deliver high currents. With MaxAmps packs, it seems that you have to get an excessively large capacity pack in order to get a pack that can supply high currents. This, obviously, takes away from the lightweight quality. My FlightPower 4500mah Evo30's are rated to 135Amps continuous, and I truly believe that they are capable of providing that kind of current. The MaxAmps 8000's I previously had were rated to 160Amps if they were true to 20C. Most people say they are close to a 15C pack. Even if I was generous and gave 17C, the pack falls to 136Amps, nearly identical to the FlightPower Packs I currently use. However, the 8k's weigh 365g per pack, while the FlightPower packs weigh 252g per pack. Between two packs, thats over a 200g loss in weight. (Each of the packs I referred to, be it MaxAmps or FlightPower, were those of 2S configuration).

I'm not trying to bag on MaxAmps or anything, but they just aren't cost efficient (i.e., they are priced a bit too high if you ask me). Each of my FlightPower packs costs me $125 from Tower. Tower currently has a spend $149, get $20 off promotion going on. Not only that, but since I'm a member of their Super Saver's Club or whatever, I get free shipping on orders over $150. Therefore, I add, say, a Novak Smart Stop, and my order reaches $150, and then drops to $130 as a result of the promotion.

With MaxAmps, a 8000mah pack costs $155 (not including the cost of adding a plug and other stuff), plus ~$7-10 shipping. Thats ~$165, and all you get is a pack. On the Tower order, it costs ~$130 and you get a pack and a corresponding voltage cutoff for it.

Now, if you are concerned about runtime. Take 8 x 3.75 and get 30 minutes. Take 4.5 x 5.4 and get ~25 minutes.

Thats my personal view of it. I'm running a top of the line motor, why not buy top of the line batteries? Specially when they are cheaper.

VERY well said BP

That should be sticked into a lipo thread on all the brands (true rc, max amps, TrakPower, FP etc...... Then have all the data logger graphs to prove how good they are, and then we can choose which packs are best for what cash we have, of course, im a Flight power, TrakPower dude =)

[rchippie]

Originally Posted by BlackedOutREVO

VERY well said BP

That should be sticked into a lipo thread on all the brands (true rc, max amps, TrakPower, FP etc...... Then have all the data logger graphs to prove how good they are, and then we can choose which packs are best for what cash we have, of course, im a Flight power, TrakPower dude =)

Guys dont foget thunder power, poly quest, or hyperion. they use the enerland cells also.

I said etc

I havent tried poly quest or hyperion

[rchippie]

Originally Posted by BlackedOutREVO

I said etc

I havent tried poly quest or hyperion

My bad i did not see that .

So, enerland are the best you can buy?

Why does most people say flight power over EVERYONE? If its the same cells, whats different?

[rchippie]

[QUOTE=BlackedOutREVO;125573]So, enerland are the best you can buy?

Why does most people say flight power over EVERYONE? If its the same cells, whats different?[/QUOTE

Thats what i understand from reading all the different forums. As for why people say FP is the best when several others use the same cells, i dont know maybe it's marketing or that alot of people dont know that other companys like Thunderpower or polyquest or hyperion use enerland cells as well.

Hmm, I have heard alot of heli guys say there FP packs have more power then there thunder power packs.....

I really didnt know there all enerland, thats good to know!

[Serum]

from my understandings flightpower uses a higher grade of enerland cells than others. Dafni once showed me a graph with a test of both flightpower and another enerland cell of the same capacity.

Originally Posted by Serum

from my understandings flightpower uses a higher grade of enerland cells than others. Dafni once showed me a graph with a test of both flightpower and another enerland cell of the same capacity.

Thats what I also got out of everyones opinion.....

And im sure if that came from Daf, it has to be good

[mwry13]

in regards to the max amps cells, ive had a horrible time with them. i work at a hobby store part time and with the recent realease with the brushless Traxxas cars as well as the max amps 3s "traxxas" packs... ive seen so many puff on them, catch fire, or just simply not take a charge. Max amps definatly has the advertising thing down but in my experience, there quality of the packs arent quite up to snuff.

just my 2 cents

[skellyo]

Originally Posted by BlackedOutREVO

So, enerland are the best you can buy?

Why does most people say flight power over EVERYONE? If its the same cells, whats different?

I was always under the impression that FP matched their cells better than the other folks.

Aside from that, they are so much easier to find these days than the other brands because tower is now carrying them.

[tallyram]

Originally Posted by BlackedOutREVO

So, enerland are the best you can buy?

Why does most people say flight power over EVERYONE? If its the same cells, whats different?

could also have something to do with assembly and materials used during assembly. i read that on an airplane forum.

[Serum]

yeah, thickness of wires used, quality of the solder-links on the cells.

[neweuser]

How you build a pack even matters on NiMh, so Lipo I would assume is even more important on how they perform depending on how they are built.