Walkera CB180/180D/180Q-Z-31 7.4V 1000mAh Batteries (2-Pack)

Pros: -These are very good batteries for the Walkera cb180d
-I think they are better than the original battlery that was included when I bought the Helicopter from xheli.com
-The contact that goes from the battery to the helicopter is better attached than the original.
-They are very cheap!

Cons: None.

Other: They are very cheap, one of these on other websites costs around USD15-USD20, plus shipping.
-Good packaging from Dealextreme.

Pros: None, maybe a bit cheap but don't work

Cons: They don't perform near as good as true Walkera batteries. they inflate and then they loose power.
They are also dificult to fit in the chopper cage.
You will be lucky if you get more than 2 minutes fly

Other: They are cheap but I would never buy them again

Pros: I bought 4 of these batteries for use with a brushless system in my Mini rock crawler. I charge them with a Electrifly Triton charger, and they will all take between 1050-1100mAh.

Cons: Absolutely none. I am very happy with these batteries.
Needs Li-po charger if you dont already have one.

Other: 4 of these batteries give me about 5 hours of runtime on my RC truck. I would buy more but im bored of it by the time these 4 are dead.