Rolls Battery NEW! 4500 Series - 2 Volt S-1400EX Model

Rolls Battery is pleased to announce the addition of a new 4500 Series 2 Volt L-16 model to the flooded deep cycle Renewable Energy & Marine line-ups.

Rolls Battery is pleased to announce the addition of a new 4500 Series 2 Volt L-16 model to the flooded deep cycle Renewable Energy & Marine line-ups.


4500 Series provide the convenience and portability of our most popular L-16 4000 Series models, combined with capacity and extended cycle life found in our heavy duty 5000 Series batteries.

Manufactured in the standard L16 size case used for the popular 2 Volt S-1380, S-1590 & S-1725 models, the new 2 Volt S-1400EX features our heavy-grade CS cell, offering 1400+ Amp Hour capacity (100 Hr) and industry-leading cycle life - 2720 cycles @ 50% DOD.

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Sierra Instruments, Inc.- InnovaMass. Reinvented.

Sierra Instruments, Inc.- InnovaMass. Reinvented.

Sierra was the first to introduce a combination volumetric vortex and multivariable mass flow meter in 1997. Today, Sierra's completely redesigned InnovaMass® iSeries™ 240i/241i builds on two decades of success measuring five process variables for gas, liquid and steam with one connection. Now, with the latest hyper-fast microprocessors, robust software applications, field diagnostic and adjustment capability, and a new state-of-the-art flow calibration facility, Sierra's vortex iSeries delivers precision, performance, and application flexibility never before possible.