---
product_id: 161256688
title: "Solar Battery Calculator, Dual Power Standard Function with Large LCD Display, Black (NO Battery) (KK-837B, 1PACK)"
brand: "youho"
price: "$29.36"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/161256688-solar-battery-calculator-dual-power-standard-function-with-large-lcd
store_origin: EC
region: Ecuador
---

# 12-digit large LCD display Dual power: solar + battery backup Non-slip design for stable use Solar Battery Calculator, Dual Power Standard Function with Large LCD Display, Black (NO Battery) (KK-837B, 1PACK)

**Brand:** youho
**Price:** $29.36
**Availability:** ✅ In Stock

## Summary

> 🔆 Calculate smarter, not harder — power that keeps up with you!

## Quick Answers

- **What is this?** Solar Battery Calculator, Dual Power Standard Function with Large LCD Display, Black (NO Battery) (KK-837B, 1PACK) by youho
- **How much does it cost?** $29.36 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/161256688-solar-battery-calculator-dual-power-standard-function-with-large-lcd)

## Best For

- youho enthusiasts

## Why This Product

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

## Key Features

- • **Stable & Secure:** Non-slip washers keep the calculator firmly in place, preventing slips during intense work sessions.
- • **Smart Power Saving:** Automatic shutdown after 10 minutes of inactivity conserves energy and extends battery life.
- • **Ergonomic & Durable:** Silicone buttons with ABS plastic body provide a premium tactile feel and lightweight comfort.
- • **Crystal Clear Display:** 12-digit large LCD screen offers enhanced visibility and reduces eye strain during long calculations.
- • **Dual Power Reliability:** Solar energy with 1.5V battery backup ensures uninterrupted performance even in low light.

## Overview

The YOUHO Solar Battery Calculator KK-837B combines solar and battery dual power for reliable use in any lighting condition. Featuring a large 12-digit LCD display and non-slip design, it offers ergonomic comfort with durable silicone buttons and ABS plastic housing. Its automatic shutdown function saves energy, making it an efficient and professional tool for everyday calculations.

## Description

Solar Battery Calculator, Dual Power Standard Function with Large LCD Display, Black (NO Battery) (KK-837B, 1PACK)

## Features

- Easy to use, large display: All products with batteries have passed the test,caution! ! ! Be sure to install the battery to use It install batteries to avoid unpredictable errors, one BATTERY of this product,12 digits, better field of view, corners of the eyes, upright LCD screen; automatic shutdown (not used for 10 minutes).
- Non-slip design: Non-slip washers are not easy to slide during operation.
- Durable silicone button: good sense of touch, ABS plastic material, Light weight. Reasonable configuration and comfortable operation.
- Solar and Battery Dual Power: Solar and backup batteries keep the desktop calculator working in low light conditions. The calculator can handle solar energy, have a 1.5v battery .
- SEVICE: Would you have any questions to our product, please feel free to contact us and we will give you a quick response.

## Product Details

- **Brand:** YOUHO
- **Color:** 1PACK black
- **Calculator Type:** Standard Function
- **Power Source:** Battery Powered
- **Screen Size:** 1 Inches

## Images

![Solar Battery Calculator, Dual Power Standard Function with Large LCD Display, Black (NO Battery) (KK-837B, 1PACK) - Image 1](https://m.media-amazon.com/images/I/71BW3yWDNIL.jpg)
![Solar Battery Calculator, Dual Power Standard Function with Large LCD Display, Black (NO Battery) (KK-837B, 1PACK) - Image 2](https://m.media-amazon.com/images/I/71LpG9qAAhL.jpg)
![Solar Battery Calculator, Dual Power Standard Function with Large LCD Display, Black (NO Battery) (KK-837B, 1PACK) - Image 3](https://m.media-amazon.com/images/I/610qH9ZgD-L.jpg)
![Solar Battery Calculator, Dual Power Standard Function with Large LCD Display, Black (NO Battery) (KK-837B, 1PACK) - Image 4](https://m.media-amazon.com/images/I/61WRU0GUUkL.jpg)
![Solar Battery Calculator, Dual Power Standard Function with Large LCD Display, Black (NO Battery) (KK-837B, 1PACK) - Image 5](https://m.media-amazon.com/images/I/61X4gLkZrnL.jpg)

## Available Options

This product comes in different **Color** options.

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**Shop now:** [https://www.desertcart.ec/products/161256688-solar-battery-calculator-dual-power-standard-function-with-large-lcd](https://www.desertcart.ec/products/161256688-solar-battery-calculator-dual-power-standard-function-with-large-lcd)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-03-14*