# Desktop calculator CASIO HL-815L-BK BOX — basic arithmetic, LCD display, battery and solar power

**URL:** https://aio.lv/en/product--casio-hl-815l-bk-box--11799880
**Data updated:** 2026-03-09 07:36 (EET)
**Category:** Calculators
**Manufacturer:** CASIO
**Manufacturer code:** HL-815L-BK BOX
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 9.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--casio-hl-815l-bk-box--11799880

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

CASIO HL-815L-BK BOX is a compact desktop calculator for basic arithmetic operations. It features a clear LCD display, standard numeric keypad and function keys for addition, subtraction, multiplication, division and percent. Dual power (battery and solar) ensures reliable operation in various lighting conditions. Suitable for home, office and school use where simple calculations are required.

## Long description

CASIO HL-815L-BK BOX is a compact desktop calculator designed for basic arithmetic tasks. It provides a clear LCD display and a standard numeric keypad with dedicated keys for addition, subtraction, multiplication, division and percent. The unit uses dual power — a small battery complemented by a solar cell — to ensure continuous operation in a variety of lighting conditions. Its compact footprint and straightforward layout make it suitable for everyday use at home, in the office or at school.
Advantages
The calculator combines an easy-to-read LCD screen with a familiar key arrangement to speed up simple calculations. Dual power (battery and solar) reduces the risk of unexpected shutdowns and extends usable life. The compact housing and lightweight design make it easy to place on a desk or carry between workstations. Keys are shaped and spaced for tactile feedback, which helps limit input errors during repeated use.
Suitable for
Everyday household calculations such as budgeting and bill splitting
Basic office tasks including invoice checks and simple accounting
Schoolwork that requires arithmetic practice and numeric entry
Checkout counters or small retail points where simple totals and percentages are needed
Key specifications
Display type: LCD with clear numeric readout
Power source: Dual power — battery and solar cell
Functions: Addition, subtraction, multiplication, division, percent
Keypad: Standard numeric keys and basic function keys
Form factor: Compact desktop design suitable for flat work surfaces
How to use
Place the calculator on a flat surface so the display is easily visible. Use the numeric keypad to enter values and the function keys to perform addition, subtraction, multiplication, division or percent calculations. The device will draw power from the solar cell when sufficient light is available and automatically switch to battery power in low-light conditions. To conserve battery life, store the calculator in a well-lit area when not in use and avoid leaving it on continuously if not required.
Usage recommendations
For reliable performance, keep the solar panel clean and avoid exposing the calculator to extreme temperatures or moisture. Replace the battery according to the manufacturer’s guidance when the display becomes dim or calculations are interrupted. Use the calculator on a stable, level surface to ensure comfortable typing and accurate keystroke feedback.

## FAQ

### How much does the Calculator CASIO HL-815L-BK BOX cost, and is it available for purchase?

The price is 11.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 41 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All CASIO products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized CASIO service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty