Energizer 377 1.5 volt silver

These little silver cells run my calculator for months without dying. They are exactly 1.55 volts and fit perfectly in the slot.

Finally, a battery that actually lasts in my old calculator – been three months and these silver oxides are still ticking. Grabbed them because they replace the LR44s I used before, and so far no complaints.

I’ve been using these in my calculator and the voltage is spot-on for the device—haven’t had to swap them out yet. They’re definitely lasting longer than the cheaper alternatives I tried before.