The following 18V cordless inverters pair with popular 18V batteries to deliver compact, on-the-go power for small devices and essential tools. Each option supports up to 175 watts continuously, making them suitable for phones, lights, small fans, and select handheld electronics during outages, on camping trips, or at remote worksites. Below you’ll find five top picks, each with a quick look at compatibility, output, and notable features so you can choose the best fit for your power needs.
| Product | Brand |
|---|---|
| Milwaukee 2846-20 M18 18V 175W TOP-Off | Milwaukee |
| MilwaukeeTool 2846 50 M18 175W | Milwaukee |
| Ecarke 200W Portable Power Inverter | Ecarke |
| LIVOWALNY Real 200W Inverter (Ryobi 18V) | LIVOWALNY |
| VoLtTech Real 200W Inverter (Ryobi 18V) | VoLtTech |
Milwaukee 2846-20 M18 175W Compact Inverter
The Milwaukee 2846-20 M18 inverter delivers 175 watts of continuous power, designed for easy on-site use with 18V M18 batteries. Its fast simultaneous power output supports multiple small devices at once, making it a practical addition for job sites where space is limited. The unit’s 175 W continuous wattage is suitable for powering mobile devices and compact tools, while rafter hooks offer flexible mounting on common materials or carts for quick access. The compact form factor enhances portability without sacrificing capability.
MilwaukeeTool 2846 50 M18 175W Inverter with 5.0 Ah Battery
This Milwaukee setup pairs the 18V inverter with a 5.0 Ah battery, emphasizing extended run time while supplying up to 175 watts. The device is designed to keep essential devices powered, especially on longer projects where frequent recharging isn’t convenient. Compatibility with a range of Milwaukee tools and devices makes it a versatile choice for tradespeople who rely on a single battery platform. The included battery helps minimize downtime between charges, supporting steady workflow on demanding days.
Ecarke 200W Portable Inverter for Ryobi 18V
Ecarke’s 200W inverter is compatible with Ryobi 18V batteries and supports multiple devices via 2 USB ports and a 110-120V AC outlet. It features a 200 LM LED light for visibility in low-light conditions, making it a practical companion for camping or jobsite use after dark. The model emphasizes portability and broad device compatibility, delivering a reliable power bridge when a full-size generator isn’t available. It is designed to provide continuous power for essential devices, with a compact footprint for easy transport.
LIVOWALNY 200W Inverter for Ryobi 18V
The LIVOWALNY 200W inverter converts 18V DC into 110-120V AC with two USB-A ports and a Type-C output, plus an LED light for low-light scenarios. It’s designed as a versatile power hub for camping or emergencies, enabling device charging and small appliance operation without a bulky battery setup. The unit emphasizes lightweight portability and user-friendly charging options, making it easy to share a single battery across multiple devices while keeping essential electronics ready during outages or travel.
LIVOWALNY Real 200W Inverter for Ryobi 18V
This LIVOWALNY model is tailored for Ryobi 18V batteries, delivering 200W real power with peak 250W. It provides two USB ports, a Type-C, and an AC outlet to power phones, laptops, cameras, lights, and other small electronics. The inverter is positioned as a reliable, portable charging and power source for outdoor activities, travel, or emergency use, emphasizing compatibility and multi-port charging as core advantages.
Ecarke 300W Milwaukee Battery Inverter for Outdoor Use
This unit combines wide compatibility with Milwaukee 18V batteries to deliver up to 300W, boosting its utility for camping, RVs, and emergencies where higher output is beneficial. It incorporates multiple charging options, including USB ports and a standard AC outlet, to support a broad range of devices. While offering more power than the 175W models, it remains a compact portable solution for on-the-go power provisioning and reliable outdoor use.
Buying Guide: Key Considerations and Comparisons
Compatibility and portability top the list when choosing an 18V inverter. Check which battery platforms you already use in your toolkit (Milwaukee, Ryobi, DeWalt, etc.) to minimize extra equipment and maximize efficiency. Power output matters: 175W units are ideal for phones, lights, fans, and small electronics, while 200W–300W models can handle slightly larger loads but may be bulkier or heavier.
Output type and connectivity are also important. Look for a mix of AC outlets and USB ports (including USB-C PD) to support a range of devices. LED lighting on the unit is a practical bonus for night work or camping. Real-world performance depends on battery state; many 18V systems provide sustained output only within the listed wattage, with peak power offering brief tolerance for brief surges.
Durability and mounting options enhance on-site usefulness. Some models offer rafter hooks or cart mounting compatibility, which improve accessibility in cluttered environments. If you anticipate extended use, consider kits that bundle a battery to reduce downtime between charges. Always verify that the inverter’s wattage aligns with your anticipated devices to prevent overload or abrupt shutdowns.
Safety features and heat management are essential for continuous operation. Overload protection, thermal cutoff, and sturdy housings help ensure reliable performance in varying conditions. Portability, noise, and battery consumption should also factor into your choice, especially for outdoor activities or crowded job sites where space is at a premium.
In summary, select an 18V inverter that matches your primary battery platform, offers sufficient continuous wattage for your typical devices, and provides flexible charging options. For mixed-use scenarios (worksite, camping, emergencies), a model with multiple ports and a compact footprint is often the most practical balance of performance and portability.