Solution 11263: Expected Battery Life of the BA II PLUS™ and BA II PLUS™ PROFESSIONAL Financial Calculators.
How long would it take for the battery in a BA II PLUS or BA II PLUS PROFESSIONAL financial calculator to wear out?
The BA II PLUS and BA II PLUS PROFESSIONAL financial calculators use one lithium manganese battery for about 1500 hours of operation. Old batteries need to be replaced with Eveready CR2032, Duracell DL2032, or the equivalent.
Please see the BA II PLUS and BA II PLUS PROFESSIONAL guidebooks for additional information.