xerxies 0 Posted April 23, 2014 purchased a no name ..GM8182t-xsa dvr, need battery for the memory. but don't know what size as there was none installed please any assistance would be helpfull. thanks a bunch!!! patrick its a button battery Share this post Link to post Share on other sites
myiicu 0 Posted April 25, 2014 The dvr memory battery backup is usually a standard 3.0V lithium coin cell. CR2032 = 20mm dia. CR2330 = 23mm dia. Share this post Link to post Share on other sites