Model 934 Nickel-Cadmium Battery.  Rechargeable, 12 VDC, 4 Amp-hours.  For use with ISCO GLS, 3700 & 6700 Series Portable Samplers and 4200 Series Flowmeters. 

Teledyne ISCO nickel-cadmium batteries are your best choice for battery powered, general purpose applications.

Output Voltage:  12-14 VDC
Amp/Hour Rating:  4.0
Connector Type:  2-pin Circular Amphenol

Recharge using one of these chargers:

Model 961 Battery Charger, 120 VAC
Model 965 Five-Station Battery Charger, 120 VAC

This item has a lead time of 26-30 days