Average Reviews:
(More customer reviews)The batteries arrived from Portable Power Systems punctually and nicely packed. The form factor was as described and they were easily placed into our church's alarm system, where they've silently and steadfastly doing their job. Ask me again in five years how they are doing!
Click Here to see more reviews about: EnerSys Genesis (formerly Yuasa) NP4-12 - 12 Volt/4 Amp Hour Sealed Lead Acid Battery with 0.187 Fast-on Connector
EnerSys NP4-12 is a 12 Volt 4 Ah Rechargeable, Non-Spillable, VRLA Sealed Lead-Acid Battery. The NP4-12 is most typically found in Burglar Alarm Systems, Fire Alarm Systems and Access Control Systems. They also make a convenient solution for back-up battery solutions in case of power loss in some electrical equipment. Enersys' unique construction and sealing technique ensures no electrolyte leakage from case or terminals, making it one of the safest sealed lead-acid battery available.All NP batteries utilize EnerSys's unique electrolyte suspension system incorporating a microfine glass mat to retain the maximum amount of electrolyte in the cells. The electrolyte is retained safely in the separator material and there is no free electrolyte to escape from the cells. No gels or other contaminants are added.The design of EnerSys's NP batteries incorporates the very latest oxygen recombination technology to effectively control the generation of gas during normal use.Due to the perfectly sealed construction and the recombination of gasses within the cell, the battery is almost entirely maintenance free.NP batteries are manufactured using a range of terminals which vary in size and type.The combination of sealed construction and Enersys' unique electrolyte suspension system allows operation in any orientation, with no risk of electrolyte leakage or loss of performance.The batteries are equipped with a simple, safe, low pressure venting system which releases excess gas and automatically reseals should there be a build up of gas within the battery due to severe overcharge.The heavy duty lead calcium alloy grids provide an extra margin of performance and life in both cyclic and float applications and give unparalleled recovery from deep discharge.
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