Aibecy 12-Digit Solar Battery Calculator | Big Button Office

Aibecy 12-Digit Dual Power Calculator – Work Smarter, Calculate Faster

Meet your new desk essential: the Aibecy OS-2135 Pro 12-Digit Calculator. Whether you're crunching numbers at the office, managing business accounts, or helping students tackle homework, this reliable dual-power calculator delivers crisp, clear results every time. Powered by both solar energy and AAA battery backup, you'll never be caught off guard by a dead device.

Why You'll Love It

• 12-Digit Japanese LCD Display – Large, high-contrast screen shows all digits clearly, reducing eye strain and data entry errors.
• Dual Power: Solar + Battery – Works in bright or low-light environments. Solar-powered when there's light; seamlessly switches to AAA battery (not included) when needed. Energy-saving and eco-friendly.
• Big ABS Plastic Buttons – Oversized, tactile keys are comfortable to press and rated for over 1 million keystrokes — built to last through years of heavy use.
• Full Function Support – Handles +/− (negative numbers), %, √ (square root), rounding, and decimal place settings for versatile everyday calculations.
• Memory Keys (MC/MR/M+/M−) – Store and recall values instantly for multi-step calculations without losing your place.
• CE/C Clear Keys – Quickly clear a single entry or the full calculation — no accidental data wipes.
• Auto Shut-Off – Powers down automatically after 8 minutes of inactivity, preserving battery life.
• Non-Slip Silicon Base – Keeps the calculator firmly in place on any desk surface while you type.

Specifications

• Model: OS-2135 Pro
• Display: 12-Digit Japanese LCD
• Power Source: Solar + 1× AAA Battery (battery not included)
• Item Size: 19 × 15.5 × 4 cm / 7.5 × 6.1 × 1.6 in
• Item Weight: 300 g / 10.6 oz
• Certification: CE
• High-Concern Chemicals: None
• Country of Origin: Made in Mainland China

What's in the Box

• 1 × Aibecy Calculator (OS-2135 Pro)
• 1 × User Manual (English/Chinese)

Note: AAA battery is NOT included.

Perfect For

Accountants, bookkeepers, students, teachers, retail cashiers, and anyone who needs a dependable, easy-to-use calculator for business, office, or school use.

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• 1-Inch Round Dot Label Stickers – 500/Roll, 10 Colors

Authoritative Resource

For tips on energy-efficient electronics and what certifications like CE mean for consumer products, visit the U.S. Department of Energy – Electronics Energy Saving Guide.

Learn more: Calculator

Frequently Asked Questions

Q: Does the Aibecy 12-digit calculator come with a battery included?

A: No, the battery is not included. The calculator uses one AAA battery as a backup power source. It will primarily run on solar power in well-lit conditions, so in many cases you may not need a battery at all right away.

Q: Can this calculator handle square root and percentage calculations?

A: Yes! The Aibecy OS-2135 Pro supports square root (√), percentage (%), positive/negative (±) toggles, rounding, and adjustable decimal place settings — making it suitable for a wide range of business and school calculations.

Q: How long before the calculator shuts off automatically?

A: The calculator is designed to auto shut-down after 8 minutes of inactivity to conserve battery power. Simply press any key to wake it back up instantly.

Q: Is this calculator suitable for professional office or accounting use?

A: Absolutely. The 12-digit LCD display, full memory functions (MC/MR/M+/M−), big tactile buttons rated for over 1 million presses, and non-slip base make it an excellent choice for accountants, office professionals, and business users who need reliability and accuracy every day.