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Silver desktop calculator with 4.5 inch LCD display and solar panel

CATIGA CD-2786-12 12-Digit Solar Calculator 4.5" LCD Silver

SKU CH-WD3P-EJHP3

A 12-digit desktop calculator with a 4.5-inch LCD display, dual solar and battery power, and standard functions for office, home, or school use

  • Working voltageSolar Powered
  • Product typeSolar Panel
  • Product colorBlue
  • Key featuresSolar Powered
  • Product dimensions14.33 in W × 12.83 in H × 9.06 in D
  • Large 4.5 inch LCD shows 12 digits clearly
  • Dual solar and LR44 battery power keeps it running
  • Big responsive buttons speed up every calculation
  • Auto power off after 6 idle minutes saves energy
  • Standard functions cover office, school and home use

12-Digit Desktop Calculator for Office and School

The CATIGA CD-2786-12 is a standard-function desktop calculator with a 4.5 inch LCD that shows up to 12 digits. It suits office workers, students and home users who need reliable arithmetic for budgeting, invoices or classroom work. A single LR44 battery is included alongside the solar cell.

Solar Power Works Only in Sufficient Light

The dual-power design uses the solar panel as the primary source whenever ambient light is strong enough. In dim conditions the calculator falls back to the installed LR44 cell, so operation continues without interruption. No external charging or mains adapter is required.

12-Digit Capacity Sets the Calculation Limit

The display accommodates a maximum of 12 digits, which determines the largest numbers you can enter and view at once. Calculations that exceed this length will not fit on screen, so users needing more digits should choose a different model.

How it compares

Measured against everything we stock in Solar-Powered Chargers & Devices, at today’s prices. Recalculated every night.

Price $19.99
Cheaper than about 62% of the 874 comparable items (median $25.99).

Specifications

Product
Brand namePowertraveller
Model nameCD-2786-12
Part numberCD-2786-12
Product typeSolar Panel
Product colorBlue
Power
Working voltageSolar Powered
Size & build
Product dimensions14.33 in W × 12.83 in H × 9.06 in D

Questions about this item

Which power option suits daily use — solar only or the included LR44 battery?

The calculator runs on solar power in any lit environment and includes one LR44 battery as backup, so it works continuously without needing direct sunlight.

What does the 12-digit display allow me to calculate in practice?

You can enter and view figures up to 12 digits long, covering typical office totals, budgeting sums and school problems without overflow.

How does the dual solar-and-battery design affect everyday reliability?

The solar panel powers the unit whenever light is present, while the LR44 battery takes over automatically in low light, giving uninterrupted operation.

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