Batteries For Hp 10B Calculator. The hp 10bii (newer version) uses two 2032 batteries. 10b,11c, 15c, 16c, 42s, 32s, 17b, 17bii, 20s, 32sii.
Hp 10bii+ financial calculator user’s guide hp part number: In both cases the batteries are very easy to change by simply opening the battery cover on the back side of the calculator. The hp 10bii (newer version) uses two 2032 batteries.