The Unisonic 1541L is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 25 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is PP3 9V. Note: Satek 8M
Facts at a glance:
|Power Source||PP3 9V|
If you have a Unisonic 1541L that is no longer working, you can first try replacing the PP3 9V battery. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: