NIP Key Features - Lithium-polymer battery to power your Control4 SR-250 or SR-260 remote control - Sleek battery cover features magnetic connectors to seat your remote when it's charging - Hundreds of charge cycles to extend the life of your Control4 remote investment - Always have a battery handy to keep your remote up and running If you're like most people, you always mean to remember to charge your Control4 SR-250 or SR-260 remote. Sometimes, you get interrupted, and you put it down without charging it. Keep an extra battery pack and cover around so that your remote is always ready to go.