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This is the type of charging system that is used when these types of batteries are used in computer UPS's or as battery back-up in burglar alarm .
Charging nickel-based batteries with a power supply is challenging because the. . I am float charging my 12V Lead Acid battery(security alarm system) with .
. charging a sealed lead acid battery, can i just apply a 12v wall wart at. as: http://cgi.ebay.co.uk/YUASA-fire-intruder-alarm–battery–12v-7Ah- .
Our best guess is that a large 12V charger was used on this relatively small 6V. Of course, if a charger was designed for higher voltage batteries, hooking up a .