I had a great site for batteries, but I guess I didn’t save it, and now I can’t remember what it was.
I’m looking for a 9.6V NiMH battery pack in a larger than 2200 mAh size. Is there a good site for various battery packs that you folks would recommend?
Lynxmotion sells all kinds of battery pack’s,but I’m afraid that there is no such thing a 9V >2200mAh battery pack.
lynxmotion.com/Category.aspx?CategoryID=48
There are many different ratings of 9.6V battery packs available, all the way up to 10,000mAH - that’s 10AH. This includes 1800mAH and 2600mAH packs. 
8-Dale
Not true. A 9 volt battery is simply 6 small cells in a square package (6X1.5 =9). A larger one can easily be custom made in much higher capacities. But he was asking about 9.6 V packs anyways.
9.6V packs can be made in almost any capacity. Lynxmotion has some nice packs and if you need a custom sized pack made, I build custom packs in NiMh and Lipo. I can do a 4000mAh 9.6 Volt pack from Sub-C NimH very easily. I’ve built a few packs for people on here, you can ask around.
My mistake,i meant i didn’t see any on the lynxmotion website like that,Sry.
Thanks for the replies. That one site certainly wasn’t the one I had seen before, but it sure does cover the battery types. In a month or so, I’ll know the volume I have available.
I am looking at 2 x 3.7V 6600mAh Li-Ion separately in each bipod leg for stability. Any pros, cons? I would be wiring these in series for 7.4 amps. This sound possible and how would I regulate to a SSC32 or SSC32/BBII combo? Any thoughts would be greatly appreciated!
Connecting 2 3.7V, 6600mAh batteries in series will give you 7.4 VOLTS at 6600 mAh. That’s probably what you meant, but I just wanted to point that out…
Yeah, meant volts. Got some more info here.
3.7V 6600 mAh Li-Ion Battery Pack - With Protection IC
Specifications:
* Li-Ion Size: 3 x 18650 cells(cylindrical)
* Capacity: 6600 mAh
* Chemistry: Lithium Ion (Li-Ion)
* Working Voltage: 3.7V
* Cut off voltage: 4.35 V
* Max Charging Current: 3 Amp
* Max Discharging Current: 6 Amp
* Included Qty: 1
Dimensions and Weight
* Length: 69mm (2.72")
* Width: 54mm (2.13")
* Thickness:18mm (0.71")
* Weight: 9 Oz
Features:
* No memory effect
* Longer storage life then NiMH Batteries
* Light weight and higher energy density than any rechargeable battery
* You can build 7.4V/6.6Ah Li-Ion battery pack by connecting two or three PCB ready battery module in parallel
* Installed IC chip will prevent the battery pack from over charge and over discharge. It helps protect battery chemistry integrity and prolongs battery life.
* Perfect for building 3.7V battery pack for bike lighting, RC toy (cars and airplanes), robots, cameras, DVD external battery.
* The battery module is wrap by PVC shrink and with 18 G wirea little caution is necessary here. “usually” packs based around 18650s are meant for electronics and not servos or motors. this doesn’t mean they can’t be used for the latter of course, but you need to make certain your current draws are not much above their limits. Two situations exist if you go over the limits… if operating at or slightly above the top end limit you will see the pack cutting out to protect the cells. this is recoverable as it is just switching it’s protection MOSFETs off. if however you greatly exceed the limits, on a pack this size I’d put that in the 9 to 10A range, there is a literal hardware fuse that will blow and the pack becomes recycle fodder. I have a couple nice $100 paper weights in my office as a testament to this fact. The reason this hardware fuse is of interest is because servos can have high starting currents, especially if already under load, and several of them starting at the same time can certainly reach 10A or more. this is just a heads up to be careful in how you design your power system.
now the other thing to consider is your 7.4V is pretty hot for a lot of servos. the ssc-32 and bb2 have onboard regulators for their electronics but the servos would operate off the VS, VS1, VS2 voltages directly. What folks usually do is to use r/c plane BEC, battery eliminator circuit, modules which is a fancy name for high current switching voltage regulators. Search the forum… I know one of the guys working on the phoenix projects has a Turnigy 10A BEC they are using successfully (two actually) and I have been using a CC-BEC (castle creations) with success on a small 3dof thing.
so not knowing what you want to apply this pack to, be careful about your peak current draw sp you don’t pop the pack fuse and if you are using servos you will probably need a voltage regulator such as a BEC to keep from damaging the servos.