hp classic calculator charger without battery pack

[zixingcheche]

(01-07-2023 01:10 PM)mfleming Wrote:  35, 45 yes. 67 no. Your best source of information on which model can be powered without the battery present is the owners manual. You can find PDF copies at literature.hpcalc.org (along with all sorts of other great manuals)

thanks！I will check it.