RYOBI 18V ONE+ 4.0 Ah battery front view, compatible with 300+ tools.
RYOBI 18V ONE+ 4.0 Ah battery side view, balanced design for easy handling and longer runtimes.
RYOBI 18V ONE+ 4.0 Ah battery label close-up showing capacity and system compatibility.
RYOBI 18V ONE+ 4.0 Ah battery 2-pack packaging shot, ready to add to your tool kit.
RYOBI 18V ONE+ 4.0 Ah battery in use with a cordless tool.

RYOBI

RYOBI 18V ONE+ 4.0 Ah High Capacity Battery (2-Pack) – Power 300+ Tools

High-performance tools and home improvement made for confident daily results

$166.00

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium tools and home improvement quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Return & RefundEasy returns and policy details Shipping PolicyDelivery process and tracking info
Share

Why customers choose TaskHolt Tools

Overview

Meet the RYOBI 18V ONE+ 4.0 Ah high capacity battery, shipped as a convenient 2-pack. Designed to power a wide range of cordless tools, this pair is built to keep you moving between tasks without pausing for a recharge. It’s part of the RYOBI 18V ONE+ system, a growing family of over 300 tools that share a single battery platform for compatibility and simplicity.

Why choose the 4.0 Ah ONE+ battery?

  • 4.0 Ah capacity provides more energy per charge, helping you cover longer DIY sessions before swapping batteries.
  • Compatibility across the ONE+ ecosystem means you can use the same battery with many different tools, from drilling to pruning cuts.
  • Lithium‑Ion chemistry delivers steady power and a longer shelf life with minimal self-discharge.
  • Included as a 2-pack, offering reliable backup and easier planning for ongoing projects.

Real‑world uses and scenarios

  • Home improvement projects such as cabinetry installation, deck work, or wall prep, where longer runtimes reduce interruptions.
  • Seasonal maintenance like trimming, staining, or garden upgrades, where you can switch tools without pausing for a charge.
  • Light to mid‑duty workshop tasks, enabling on‑the‑go power for cordless drills, saws, and sanders within the ONE+ lineup.

Key specs and pairing notes

  • Voltage: 18V
  • Capacity: 4.0 Ah
  • Chemistry: Lithium‑Ion
  • Pack: 2 batteries included
  • System compatibility: Works with hundreds of RYOBI ONE+ tools on the same battery platform

What you gain

With this 2-pack, you gain ready-to-use power and a flexible workflow across a broad tool family. While results depend on tool and task, the 4.0 Ah pack is designed to help you complete more work between charges, stay productive on multiple projects, and reduce downtime caused by recharging needs.

FAQ

Q: What tools work with the RYOBI 18-Volt ONE+ 4.0 Ah Battery (2-Pack)?

A: It powers any RYOBI 18V ONE+ tool across a 300+ product system.

Q: What does the 4.0 Ah rating indicate for performance?

A: Indicates energy capacity; may extend runtimes on compatible tools, depending on task and tool.

You may also like