8 x AAA Rechargeable batteries 800 mAh 100% PeakPower NiMH Battery NEWLY released rechargeable batteries, committed to keeping your device on 100% of the time: Amazon.co.uk: Electronics & Photo
Amazon.com: EBL 1100 mAh AAA Rechargeable Batteries (8 Packs) with Smart C807 Battery Charger and Micro USB Charging Cable : Electronics