The wall charger is NOT a peak type charger, it will charge the NiMH packs but can not tell when they have peaked.
Plus it charges at much lower rate.
You can charge AA's between .75 & 1 AMP with no problem.
Either the CG-335 Pro or CG-340.
I use the CG-335, it is a VERy versitile charger.
Applications: 4-24 cell 270-3000 mAh NiCd and Ni-MHbattery Packs
Input Voltage: 9 -13.8 volts DC
Min Input Amps: 10A min (10A needed for full functions)
Charge Rate:
Primary Port
NiCd 4-24 cells 0.5 - 5.5Amp
Secondary Port
NiCd 4 cell (4.8v) 250 mAh fixed
Glow Port
Single Cell 1.2v 1.1A
LCD Display
DC-DC Charging w/boost circuit
Delta Peak W/auto trickle
Delta Peak Cutoff(Primary and Glow ports only)
Initial Cut Off Error Override
Input/Output Polarity Protection