Discharge testing batteries is the only verifiable method the capacity of your batteries. LB 3980 DC Load Bank delivers a programmable, constant current load for your testing needs. Whether you are load testing for capacity, performance, acceptance or other, LB 3980 provides you an economical complete package solution. Increase employee and battery system safety with PER CELL monitoring and standard built in auto-shutdown features. To suit a variety of industries and diverse applications, LB 3980 offers over 60 standard models to fit your exact needs at the best price.