Final questions on LiPo / LiFe batteries

[Airsoft_Mr B]

Hey guys, I'm pretty sure I asked about this a while ago, but I'd like to ask one more question about LiPo and LiFe batteries.

 

I'm buying one of these smart chargers:

 

IMAX B6

http://www.coolcomponents.co.uk/lipro-balance-charger-imax-b6.html?gclid=CjgKEAjwkpacBRCNlprWw-u-nBwSJACwHiw-6cABGrv0PrvalJOBp9clx4xfpo34uC5dRhdAn0Wa-vD_BwE#.

 

Best battery for an RM4?

I know they're supposed to be ran on 11.1's but I've also heard that it would be fine using a 7.4V LiPo.

So I'm wondering what the ERG guys here run in theirs, and also your opinions on the following batteries (which ones would be the best)

 

9.9V 1600mAh 25C LiFe

http://www.componentshop.co.uk/9-9v-1600mah-25c-mini-battery-2656.html

 

7.4V 2600mAh LiPo (fit in handguard?)

http://www.patrolbase.co.uk/lipo-and-life-airsoft-batteries/vp-racing-battery-7-4v-2600-mah-25c-lipo-crane-stock-battery.htm#.U4ZQWvldXWg

 

11.1V 2600mAh 20C LiPo

http://www.patrolbase.co.uk/lipo-and-life-airsoft-batteries/we-11-1v-2600mah-20c-lipo-crane-battery.htm#.U4ZRCPldXWg

 

11.1V 1450mAh 20C LiPo

http://www.patrolbase.co.uk/lipo-and-life-airsoft-batteries/vp-racing-11-1v-1450mag-20c-lipo-stick-battery.htm#.U4ZRAvldXWg

 

Thanks!!

 

Oh and I did also look at these same batteries on Component-Shop but they are actually pretty much the same price. Plus I don't need postage from Patrol Base since I can buy one in store.

[Airsoft_Mr B]

I know there are definitely a couple of guys who have an RM4 on the forums, so if either of you could give some advice it would be greatly appreciated.

I'm going to buy the Scout version by the way. I already have a (soon to be upgraded) MP5K for CQC.

[Airsoft_Mr B]

Any advice on this please? I'm not getting the gun soon but any tips or battery help would be great.

[M_P]

Pm them there's no guarantee that they'll stumble across this thread.