Studio Monitors & Speakers
EV Everse 8 Bat-B
EV erse 8 Bat-B, Lithium-Ion Battery Pack, Suitable for EV Everse 8 and Everse 12, Capacity: 86.4 mAh, Dimensions (H x W x D): 133 x 104 x 110 mm, Weight: 542 g, Colour: Black
https://www.bizrate.co.uk/musicalinstrumentmonitors_speakers/ev-everse-8-bat-b-oid22259784453.html