Can the RB-Hrp-03 BAT-03 6V Ni-MH battery (robotshop.com/en/nimh-nicd-s … -1025.html)?
The charger is 6-12 volts, so it should work, but when plugged into the battery, the LED indicator flashes red, which means that the battery is either damaged or the voltage is below 6V according to the charger’s datasheet.
The battery is new, and does not appear to be damaged in any way, so I am not sure what the problem is.
