[Compatibility] Battery Replacement for Sonos Roam 111-00005, IP-038535-101 [Power Rating] 3.7 V, 5200 mAh, 19.24 Wh [Dimensions] 2.72"x1.55"x0.76". (69 x 39 x 19 - mm). [High Energy Density] Power-packed performance: Our advanced technology delivers a remarkable 162 Wh/kg energy density. More power, less weight: Experience exceptional power output in a compact and lightweight design. Powerful 5200mAh Replacement Battery for Sonos Roam 111-00005, IP-038535-101 [Power Rating] 3.7 V, 5200 mAh, 19.24 Wh [Dimensions] 2.72"x1.55"x0.76". (69 x 39 x 19 - mm). [Weight] 3.3 oz. (94 gr.) [Compatibility] Battery Replacement for Sonos Roam 111-00005, IP-038535-101