Model 913 High Capacity Power Pack.  Converts 120 VAC to 12 VDC.  Includes separate port for charging ISCO Model 934 Nickel Cadmium Batteries.  For use with GLS, 3700/6700 Series Portable Samplers, Signature Portable and 4200 Series Flowmeters.

Input Voltage:  120 VAC
Output Voltage:  12.5 VDC @ 5 Amps
Connector Type:  2-pin Circular Amphenol

Also known as an AC power converter.  UL & ULC listed.