Battery suitable for Sonos Controller 200 - 1850 mAh 3.7 V battery - BatteryUpgrade
Sonos Introduced New CR200 Remote Control and Bundle BU250 - SlashGear
Sonos® Controller CR200 Touchscreen controller for the Sonos Music System at Crutchfield
Battery for Sonos CONTROLLER 200 TV Remote
Li-Ion-battery - 2000mAh (3.7V) - for remote control Sonos Controller CB200 - Electropapa
Sonos to end support for CR100 controller from April | What Hi-Fi?
Product Review - Sonos CR200 Controller 200 for the Sonos Music Server
Replacement Sonos CB200 Remote Control Battery | Battery Mart
Empire Remote Control Battery, Works with Sonos Controller CR200 Remote Control, (Li-Ion, 3.7V, 1800 mAh) Ultra High Capacity, Compatible with Sonos 1000000118 Battery - Walmart.com