TEKCELL IS AN APPROVED BATTERY FOR ADT, GE, ITI AND PROTECTION ONE. High quality 1/2 AA sized battery for use with our dataloggers and any other device which uses this hard to find size. This is a 3.6v ½ AA (1/2 R6) Lithium Thionyl Chloride Li/SOCl2 Tekcell battery and is manufactured to the highest standards, by a world leading manufacturer.
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