Battery, 13.5 V - 50 Wh, alkaline

This slim battery can be used inside the main canister of your Nortek instrument. It is also possible to place three of these small batteries in the Generation 2 external battery canister.

This battery is compatible with the Generation 2 versions of the Aquadopp, Aquadopp Profiler, and Aquadopp Profiler Z-Cell and can also be used in a battery canister with the Generation 2 Vector. Up to three of these batteries fit in the standard housing for the Generation 2 Aquadopp instruments.

This battery is also compatible with legacy versions of the Aquadopp, Aquadopp Profiler, Aquadopp Z-Cell, and Vector. Up to two of these batteries fit in the standard housing for the legacy Aquadopp instruments.