PSN series chargers are electronically-regulated, current limited, 2-stage chargers for Ni-Cd and NiMH batteries.
Timed C/10 charge rate with automatic switching to C/40 trickle rate after fourteen hours to keep the battery fully charged. LED’s indicate charge mode. Units are calibrated to the battery pack’s specifications based on the number and mAh capacity of the cells. Assemblies of 1-12 cells and capacities of 500-5000 mAh can be charged in about 14 hours. The wall mount design chargers are shipped with a 6foot (1800mm) 18-AWG output cable with 2.5mm ID barrel plug connector and feature a vented housing made of tough ABS plastic. To order, indicate number and capacity (mAh) of cells. Example: 5 cells (6 volt) - 1400 mAh.
Caution: Chargers are not protected against reverse polarity connection. Reversing polarity or shorting will damage the battery and the charger.
Input voltage range: 110 to 120 VAC, 60 Hz. Operating temperature: 0° to 40°C (32° to 104°F)
Power Sonic NiCd/NiMH Charger 
PSN series chargers are electronically-regulated, current limited, 2-stage chargers for Ni-Cd and NiMH batteries.