---
product_id: 695038023
title: "Ryobi 40V 4.0 Ah Lithium-Ion Battery OP4040"
brand: "ryobi"
price: "€ 511.14"
currency: EUR
in_stock: true
reviews_count: 5
category: "Ryobi"
url: https://www.desertcart.com.cy/products/695038023-ryobi-40v-4-0-ah-lithium-ion-battery-op4040
store_origin: CY
region: Cyprus
---

# 40V high power output On-board battery life indicator 4.0 Ah extended runtime Ryobi 40V 4.0 Ah Lithium-Ion Battery OP4040

**Brand:** ryobi
**Price:** € 511.14
**Availability:** ✅ In Stock

## Summary

> 🔋 Power through your projects with Ryobi’s unstoppable 40V battery!

## Quick Answers

- **What is this?** Ryobi 40V 4.0 Ah Lithium-Ion Battery OP4040 by ryobi
- **How much does it cost?** € 511.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/695038023-ryobi-40v-4-0-ah-lithium-ion-battery-op4040)

## Best For

- ryobi enthusiasts

## Why This Product

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

## Key Features

- • **Fade-Free Performance:** Lithium-ion cells ensure consistent power from start to finish, no fading, no frustration.
- • **Unmatched Power Boost:** 40V delivers professional-grade energy for all your toughest outdoor tasks.
- • **Marathon-Grade Runtime:** 4.0 Ah capacity means longer work sessions without the dreaded downtime.
- • **Smart Energy Monitoring:** On-board battery life indicator keeps you in control, no surprises mid-job.
- • **Universal Compatibility:** Works seamlessly with 75+ Ryobi 40V tools—one battery to rule your entire toolkit.

## Overview

The Ryobi 40V 4.0 Ah Lithium-Ion Battery OP4040 is a high-capacity, rechargeable power source compatible with over 75 Ryobi 40V tools. Featuring fade-free lithium-ion cells and an on-board battery life indicator, it delivers extended runtime and reliable performance for demanding outdoor power equipment.

## Description

Fade-Free Performance On-Board Battery Life Indicator Over 75+ 40V Tools – All Work With Any RYOBI 40V Battery Compatible with all RYOBI 40V Lithium tools and chargers, the 40V 4AH Lithium Battery is the perfect addition to your RYOBI 40V tool collection. It's lithium cells deliver fade-free performance from start to finish. The convenient on-board battery life indicator keeps you informed while you're out in the yard tackling your landscaping jobs. The 40V 4AH Lithium Battery's extra cell capacity is perfect for higher output tools like 40V mowers, blowers and chain saws. RYOBI 40V Lithium surrenders nothing but gas.

Review: Shipped right away, great product.
Review: Works Great

## Features

- 40 Volt 4 Amp High Capacity Lithuim-Ion Battery
- Compatible with all RYOBI 40V Lithium tools
- Lithium-ion cells deliver fade-free performance
- On-board battery life indicator
- High capacity 4.0 Ah battery for extended run time

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QYH36TC |
| Amperage | 4 Amps |
| Antenna Location | Power Tool |
| Battery Capacity | 4 Amp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 4 Pounds |
| Battery capacity | 4 Amp Hours |
| Battery cell composition | Lithium Ion |
| Best Sellers Rank | #155,858 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #728 in Cordless Tool Accessories #1,697 in Outdoor Power Tool Accessories |
| Brand | RYOBI |
| Built-In Media | Battery Only |
| Customer Reviews | 4.5 out of 5 stars 3,284 Reviews |
| Item Dimensions | 16.5 x 10.2 x 7.6 centimeters |
| Item Weight | 3.06 Pounds |
| Manufacturer | Ryobi |
| Model Number | #OP4040A1 |
| Number of Batteries | 1 A batteries required. |
| Number of batteries | 1 A batteries required. |
| Recommended uses for product | Power Tool |
| Reusability | Rechargeable |
| UPC | 046396027146 681920963271 |
| Unit Count | 1.0 Count |
| Unit count | 1.0 Count |
| Voltage | 40 Volts |

## Product Details

- **Battery capacity:** 4 Amp Hours
- **Battery cell composition:** Lithium Ion
- **Brand:** RYOBI
- **Number of batteries:** 1 A batteries required.
- **Recommended uses for product:** Power Tool

## Images

![Ryobi 40V 4.0 Ah Lithium-Ion Battery OP4040 - Image 1](https://m.media-amazon.com/images/I/61MXv5vgnXL.jpg)

## Questions & Answers

**Q: What is the warranty on this 40 v?**
A: All Ryobi products have a 3 year warranty if you register it when purchased on their Ryobi site.

**Q: Will this battery replace the 4026 40v 94wh?**
A: It replaced the 4026 40v 95wh 2.6ah. it is the newer more powerful version

**Q: What’s the battery length with the mower?**
A: My need is no more than 30 minutes. When finished there are still 3 lights lit up on battery. I’ve then switched battery to hedge trimmer and used for additional 39 minutes with still plenty of charge left.

**Q: Will this battery last longer than a 2.6 ah high capacity battery?**
A: Yes, the battery lasts enough to cut about 5,000 square feet without shutting down.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Shipped right away, great product.
*by R***7 on 9 February 2025*



### ⭐⭐⭐⭐⭐ Works Great
*by T***C on 4 March 2026*



### ⭐⭐⭐⭐⭐ Great customer service!
*by A***R on 6 April 2023*



## Frequently Bought Together

- Ryobi 40V 4.0 Ah Lithium-Ion Battery OP4040
- Ryobi 40V Battery and Charger Kit 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A

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**Shop now:** [https://www.desertcart.com.cy/products/695038023-ryobi-40v-4-0-ah-lithium-ion-battery-op4040](https://www.desertcart.com.cy/products/695038023-ryobi-40v-4-0-ah-lithium-ion-battery-op4040)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-04-25*