9V block batteries are for smoke alarms, and won't work with servos.
Most servos are rated at 6 or 7 V maximum and require 1 or more Amperes of current when starting.
A 4XAA battery pack is usually good for 1 or 2 servos.
9V block batteries are for smoke alarms, and won't work with servos.
Most servos are rated at 6 or 7 V maximum and require 1 or more Amperes of current when starting.
A 4XAA battery pack is usually good for 1 or 2 servos.