Battery Eliminator - 4 AA Battery Replacement - USB Powered
Amazon.com: AA Battery Charger Pack, LP 8 Slot Charger & 2800mAh High Capacity AA Ni-MH Rechargeable Battery with USB Charging suitable for Wireless Mouses, Kid Toys, Remotes, Microphones, Game Controllers & More :
8 AA Cell Battery Holder
Long Strip Type 8 X AA Battery Case Holder 12V Back To Back Battery Storage Box 9V Button Battery Box - AliExpress
8 x AA battery holder : ID 449 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
MPD BK-6049 Battery box 8x AA Cable (L x W x H) 71.8 x 65.28 x 37.08 mm | Conrad.com