CHANGE BATTERIES in Fujifilm Instax Mini 11 + RECOMMENDED BATTERIES - YouTube
Amazon.com: Synergy Digital Camera Battery, Compatible with Fujifilm instax Mini 8 Digital Camera, (Ni-MH, 1.25V, 2800 mAh) AA Rechargeable Ultra Hi-Capacity Battery Battery : Electronics
instax mini 25:Specifications | Fujifilm [Singapore]
Amazon.com: Synergy Digital Camera Battery, Compatible with Fujifilm instax Mini 8 Digital Camera, (Ni-MH, 1.25V, 2800 mAh) AA Rechargeable Ultra Hi-Capacity Battery Battery : Electronics