MK battery is part of of the East Penn company the manufacturer of the Deka battery
We recomend MK for the smaller size batteries used in numerous applications such as emergency lighting systems, fire alarm panels and smaller ups systems and battery modules. As well as the smaller sizes MK makes an exceptional range of batteries.
The AGM battery is a good choice for numerous applications. Many batteries no longer have flag or post type connectors having gone to threaded inserts. This MK battery is an exception to the rule having various post configurations.
MK Gel series are the choice for batteries used in enviroments where temperature extremes are an issue. MK offers an exceptional line of battery choices for your needs.