GP Batteries ReCyko Accu AAA, NiMH rechargeable batteries. Battery technology: Nickel–Metal Hydride (NiMH), Battery capacity: 850 mAh, Battery voltage: 1.2 V. Colour of product: Blue, Purple. Operating temperature range (T-T): -20 - 50 °C, Storage temperature range (T-T): -20 - 30 °C. Battery type: AAA, Input voltage: 1.4 V