Batteries & power
DC power supply
Listed as: DC power supply, 5 V, 5.5x2.1 mm barrel (one per arm) · DC power supply, 5 V, 5.5x2.1 mm barrel (one per arm, for the 7.4 V servos) · DC power supply, 5 V, 5.5x2.1 mm barrel (leader arm on the desk)
- Used by
- 3 robots
- Units across robots
- 5
- Price range (sourced)
- $10.00
- Price points
- 3
- Regions with a vendor
- USEUCNGLOBAL
01
Robots that use it
Quantity per robot, from its BOM| Robot | BOM line | Qty | List / unit | Source |
|---|---|---|---|---|
 SO-100 (SO-ARM100)/therobotstudio/so-100 | DC power supply, 5 V, 5.5x2.1 mm barrel (one per arm)power.psu-5v | 2 | $10.00 | github.com |
 SO-101 (SO-ARM101)/therobotstudio/so-101 | DC power supply, 5 V, 5.5x2.1 mm barrel (one per arm, for the 7.4 V servos)power.psu-5v | 2 | $10.00 | github.com |
 LeKiwi/uiuc/lekiwi | DC power supply, 5 V, 5.5x2.1 mm barrel (leader arm on the desk)power.psu-leader | 1 | $10.00 | github.com |
02
Vendors by region
As cited in the packages; search pages are markedUnited StatesUS
- Amazoncited by 3 robotsno price
European UnionEU
- Amazon.fr13€ per upstream BOMcited by 3 robotsno price
ChinaCN
Ships worldwideGLOBAL
- Akizuki Denshi (Japan)￥1,550 per upstream BOM (JP column)cited by 1 robotno price
03
Every price point
List prices are the maker's published estimates, not live quotes| USD / unit | Kind | Robot | Where it comes from |
|---|---|---|---|
| $10.00 | package list | therobotstudio/so-100 | github.com |
| $10.00 | package list | therobotstudio/so-101 | github.com |
| $10.00 | package list | uiuc/lekiwi | github.com |
04
Alternates
Named in the packages- 12 V 5 A+ supply for a follower built with 12 V STS3215 servos (upstream note). The leader stays on 5 V.
- 12 V version: 12 V supply, $12 per upstream BOM, https://www.amazon.com/ALITOVE-Adapter-Converter-100-240V-5-5x2-1mm/dp/B01GEA8PQA