---
product_id: 657550042
title: "Large Calculator, 12 Digits Large Display Button Desktop Calculator with Solar Power (OS-6815GN)"
brand: "pendancy"
price: "4428835₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/657550042-large-calculator-12-digits-large-display-button-desktop-calculator-solar
store_origin: VN
region: Vietnam
---

# Dual solar & battery power 12-digit large LCD display Ergonomic large buttons Large Calculator, 12 Digits Large Display Button Desktop Calculator with Solar Power (OS-6815GN)

**Brand:** pendancy
**Price:** 4428835₫
**Availability:** ✅ In Stock

## Summary

> 🔢 Calculate with confidence, powered by light and precision!

## Quick Answers

- **What is this?** Large Calculator, 12 Digits Large Display Button Desktop Calculator with Solar Power (OS-6815GN) by pendancy
- **How much does it cost?** 4428835₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/657550042-large-calculator-12-digits-large-display-button-desktop-calculator-solar)

## Best For

- pendancy enthusiasts

## Why This Product

- Trusted pendancy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Power That Never Quits:** High-efficiency solar panel plus included AA battery for nonstop calculations.
- • **Built to Last, Light to Carry:** Durable ABS engineering plastic withstands drops, yet ultra-lightweight at 20g.
- • **Crystal-Clear 12-Digit Display:** 30° angled screen for effortless viewing and precision.
- • **Universal Utility & Gift-Ready:** Perfect for office, school, home, or as a thoughtful, practical gift.
- • **Designed for the Accounting Pro:** Vibrant color-coded keys tailored for fast, accurate financial work.

## Overview

The OS-6815GN Large Calculator features a 12-digit LCD with a 30° ergonomic display, large tactile buttons, and dual power sources (solar plus included AA battery) ensuring reliable use anywhere. Crafted from durable ABS plastic, it’s lightweight yet impact-resistant, designed specifically for accounting professionals and everyday users alike.

## Description

FeatureItem size: 185x156x41 mmItem weight: 330gDesktop calculatorLarge 12-digit display and big buttonDual PowerFunction[M+]Adds the number shown on the display to the number stored in the memory. Example:3*8+2*6.If you directly inputs these numbers to the calculator,you will see the wrong answer:156. If you press [3*8],[M+],[2*6],[M+],then press [MRC] once, you will get the right answer:36.[M-]Subtracts the number shown on the display to the number stored in the memory.[MRC]Combination of [MR] and [MC]. [MR]Recall the current memory register value. [MC]Clear the memory register (set to zero). When you press the key once, the [MR]key was activated, when you press the key twice,the [MC] was activated.[GT]Whenever the [=] key has been pressed,the result will be stored into the Grand Total Memory. Example:If you want to calculate [2*3+3*5+6*8],press [2*3=],then [3*5=],then [6*8=].Then press [GT],you will get the right answer 69.[MU]Stands for Mark Up,which is for calculating GROSS PROFIT MARGIN (GPM). Example:Enter [100] then press the [÷],then [15] then [MU] key,you will see 117.65 (15% of this total equates to 17.65)[Constant Calculations]To calculate[5*5*5*5+2+2=629],press[5*===+2==],you will see 629.[AC]Press it after each calculation to clear all values.WarningSolar panel provide limited power, please install the battery before use.The battery that comes with the product is a non-rechargeable battery, please do not charge.Package Including1 x Calculator(1 AA battery included)1 x English General Guide

## Features

- 【Ergonomic Angle Display&Large Button】When you put the calculator on the desktop, the 30°large display is just opposite your sight, more clear than a straight display. Large and separated keys, make your every press more accurate.
- 【Accounting Series】Silver panel with orange,blue and gray color buttons,vibrant color matching.The functions on the panel meet the needs of your accounting work and daily used.
- 【ABS Engineering Plastic】This calculator is made of ABS high strength engineering plastics, light weight but durable. It can withstand the impact of falling on the height of the desktop for several times.
- 【Dual Power】The calculadora uses high conversion rate solar panels,solar power can be used in well-lit areas.At the same time, we provide matching battery（included one AA battery）double safe uninterruptible power.The calculator will shut down automatically after 8 minutes without operation.
- 【Use Occasion】This calculadora is suitable for all occasions.Fit for everyone using in school, office, home and supermarket. As a gift for children, parents and friends is also a good choice.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | pendancy |
| Manufacturer | OSALO Co.,Ltd |
| Model | OS-6815GN |
| Model Name | OS 6815GN |
| Product Dimensions | 0.02 x 15.6 x 4.1 cm; 20 g |
| Batteries | 1 AA batteries required. (included) |
| Item model number | OS-6815GN |
| Standing screen display size | 5 Inches |
| Display Type | LCD |
| Power Source | Solar & AA Battery |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery cell composition | Alkaline |
| Material | ABS Plastic + Metal |
| Does it contain liquid? | No |
| Includes Rechargeable Battery | No |
| Manufacturer | OSALO Co.,Ltd |
| Country of Origin | USA |
| Item Weight | 20 g |

## Product Details

- **Brand:** pendancy
- **Colour:** OS-6815GN
- **Power Source:** Solar & AA Battery
- **Screen Size:** 5 Inches
- **Number of Batteries:** 1 AA batteries required. (included)

## Images

![Large Calculator, 12 Digits Large Display Button Desktop Calculator with Solar Power (OS-6815GN) - Image 1](https://m.media-amazon.com/images/I/715HdGL1qWL.jpg)
![Large Calculator, 12 Digits Large Display Button Desktop Calculator with Solar Power (OS-6815GN) - Image 2](https://m.media-amazon.com/images/I/61JEtU672RL.jpg)
![Large Calculator, 12 Digits Large Display Button Desktop Calculator with Solar Power (OS-6815GN) - Image 3](https://m.media-amazon.com/images/I/71RQkN4QlNL.jpg)
![Large Calculator, 12 Digits Large Display Button Desktop Calculator with Solar Power (OS-6815GN) - Image 4](https://m.media-amazon.com/images/I/71ZRbLJnKAL.jpg)
![Large Calculator, 12 Digits Large Display Button Desktop Calculator with Solar Power (OS-6815GN) - Image 5](https://m.media-amazon.com/images/I/71dGXpDEh7L.jpg)

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**Shop now:** [https://www.desertcart.vn/products/657550042-large-calculator-12-digits-large-display-button-desktop-calculator-solar](https://www.desertcart.vn/products/657550042-large-calculator-12-digits-large-display-button-desktop-calculator-solar)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-03*