ULDERTRA 40V 4.0Ah Replacement Battery for Ryobi – Extended Runtime & Reliable Power

Why ULDERTRA 40V 4.0Ah Replacement Battery?

When you reach for your Ryobi cordless tools, you want dependable performance that keeps you moving. The ULDERTRA 40V 4.0Ah replacement battery is designed to slot into Ryobi’s 40V family and deliver steady power across a range of outdoor tasks. Built with lithium-ion cells, this pack aims to minimize downtime and provide a familiar feel in hand, so you can complete yard work, garden projects, and routine maintenance with fewer interruptions.

Compatibility that fits a wide range of tools

This replacement battery is engineered to replace many Ryobi 40V batteries and works with a broad spectrum of tools in the 40V ecosystem. You’ll find it compatible with popular models across lawn, garden, and outdoor equipment, allowing you to keep one energy source ready for different tasks without juggling mismatched packs.

• Examples include models in the Ryobi 40V family such as RY40180, RY40200, RY40201A, RY40202, RY40400, RY40402A, RY40403, RY40411, and RY40511.
• Designed for flexible use across multiple tools, from trimming to seasonal cleanup.

Power you can rely on, with practical safety features

Key specs include a 40V nominal rating and a 4000mAh capacity, providing a balanced runtime for a variety of tasks. The pack uses lithium-ion chemistry, which helps avoid the memory effect and supports charging on a flexible schedule. Four LED indicators give a quick read on remaining life, helping you plan ahead and minimize unexpected pauses. The design also features over-molded edges to absorb impact during handling and worksite bumps.

• 40V / 4000mAh Li-ion cells deliver steady performance with no memory effect.
• Four LED indicators let you assess charge level at a glance.
• Over-molded edges provide added grip and protection against everyday use wear.

Safety certifications, reliability, and what’s included

Safety matters, especially when you’re powering outdoor tools. This ULDERTRA battery is designed with protection against over-discharge, overload, and short circuits, backed by CE, FCC, RoHS, and UL2595-style safety considerations. The package includes one 40V 4.0Ah replacement battery and the option to reach professional after-sales support if you need help selecting the right fit or troubleshooting any issue.

• 1 x ULDERTRA 40V 4.0Ah replacement battery included in the box.
• Access to professional after-sales support for model compatibility and setup questions.