2-axis gimbal battery size?

Motopreserve

Drone Enthusiast
Hey folks. I purchased a used 2-axis gimbal with Martinez V3, iPower GBM4008-150T and GBM4006-150T for sony nex size camera - believe it must have been built from a kit (no brand/model listed anywhere). It's my first foray into the world of larger gimbals (let the tuning games begin!).

Wondering what size battery would be appropriate for this rig to provide decent usage between charges without adding too much weight.

From my research, the martinez likes to be run at 9v, which I achieve with a regulator. I assume 3S should be fine, but would like to know what mah size people are running for dedicated battery. I've been tuning with a couple small 450mah size, but thought I'd probably want more capacity when I finally launch this thing.

Thanks.
 

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