Solution 12112: Battery Life of Voyage™ 200 Graphing Calculator.
How long do the AAA batteries last in the Voyage 200?
Voyage 200 battery life will vary based on the types of computations performed and programs that are being used. Typically the battery life will last well beyond a school year. The Voyage 200 uses four AAA batteries for about 1300 hours of operation and a back-up lithium battery model number CR1616 or CR1620. The back-up battery is already installed, and four AAA batteries are provided with the product.
Please see Voyage 200 guidebook for additional information.