This is so frustrating, recently I let my daughter use my extra unused radrunner but the extra battery charger cannot be found. So she has my battery charger but I cannot charge my own roadrunner now.  Radrunner chargers are out of stock and they cannot recommend a 3rd party replacement??  I ordered a generic charger off of amazon and it does nothing! I am ready to open up the battery pack and connect a power supply directly to the battery to trickle charge it, unless someone has a recommendation for a 3rd party charger??

Jerry in Chicago area