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.

Featured Product

WS510 Secondary Standard

WS510 Secondary Standard

In the monitoring of large photovoltaic (Utility Scale), in assessing potential sites (Solar-assessment), or in up and coming electricity cost saving initiatives projects (Commercial & Industrial), the WS510 now provides the market a secondary standard pyranometer, ultrasonic wind speed, ultrasonic wind direction, temperature, pressure and humidity all in a single unit.. This sensor meets the high demands of the world meteorological organization (WMO) through the active valving at air temperature measurement and the inertia- and maintenance-free measurement of wind speed and wind direction on the ultrasonic principle. Equipped with a Kipp & Zonen pyranometer of the secondary standards, the WS510-UMB Compact weather sensor from Lufft unites the precision of a variety of meteorological individual sensors in a single all-in-one device, for the first time.