ORIGINAL: LouisB
<snip>.....Nearly flipped over backwards - that tiny servo was drawing 0.5 A under a locked rotor test. Should you wish to use smallish batteries, please double check your moving surfaces.
The current draw for the sub-micro/micro/mini servo family is surprisingly high. Check the no-load operating current for Hitec servos on the [link=http://www.servocity.com/html/hitec_servos.html]ServoCity[/link] site. The smaller the servo, the higher the draw. The HS-56HB (sub-micro) and HS-65HB (micro) both pull 400ma @ 4.8v; the HS-325HB (standard) is listed at 160ma @ 4.8v.
andrew