This simple to use Battery Load Tester is designed to connect to the charge lead from the receiver switch, or an external charge socket, to check your models NiCd or NiMH battery condition under a similar load as when it is in the air.
- 4.8V ~ 500mA / 6.0V ~ 600mA)
Click here to view the instructions
http://www.logicrc.com/downloads/Instructions/O-FS-BC04%20Battery%20Load%20Tester.pdf