Got dynamite passport p2 ac plus 2 port multi charger and set of smc 8200 100% Lco 14.8 v 121.4 wh 150 c batteries can I get some charging hints. It stoped after 120 minutes ,was charging at 16.5 volts and 2 amps.Claimed fully charged but showed 3600 mha .While charging screen read ,lipo balance charge-2.0 amps 14.8v(4s) but voltage slowly rose to 16.5 v, 120 minute timer shut off and read fully charged.Any help much appriciated