Universal Compatibility
Standardized plug sizes and flexible amperage support make every adapter easy to pair with a wide range of electronics—no guesswork, no forced fits.
Built-In Smart Protection
Advanced circuit safety includes overload, thermal, and short-circuit cutoffs. Certified by CE, FCC, and RoHS for global compliance and peace of mind.
Plug-and-Play Simplicity
Clear labeling, sturdy cables, and intuitive design reduce setup time for professionals and DIY users alike—perfect for multi-device environments.
COOLM Best-Sellers — Trusted by Techs, Chosen by Creators
Explore top-selling COOLM power adapters built for performance and safety. Designed for LED systems, routers, cameras, and more—engineered for real-world use and ready for anything.
12V 3.5A Power Adapter – For Netgear Routers & Orbi Systems
Optimized for modern wireless gear, this COOLM 12V 3.5A adapter is a high-efficiency power supply tailored for Netgear routers and Orbi WiFi mesh systems. With 42W output and a 5.5 × 2.5 mm plug (also compatible with 5.5 × 2.1 mm), it seamlessly powers access points, range extenders, and modems across AC2200, AC3000, and AX series.
Designed for cross-compatibility, it supports a long list of Netgear devices including R6700, R7000, RBK20, RBK43, RBK53, and more. It also works with select Wi-Fi 6 Orbi units such as RBK853 and RBK752. The flexible amperage setup allows it to replace lower-current adapters (2A to 3A) safely.
Engineered with overload, thermal, and short-circuit protections, this adapter offers dependable performance with a clean power profile. Compact and easy to install—ideal for tech setups requiring uninterrupted, certified 12V supply.
12V 6A Power Adapter – 72W Universal Converter
Powerful, efficient, and universally compatible—this COOLM 12V 6A adapter is built to support a wide range of 12V electronics up to 72W. Featuring a durable 5.5 × 2.5 mm DC plug (also compatible with 5.5 × 2.1 mm), it’s an ideal power solution for LED strip lighting, routers, CCTV systems, monitors, webcams, and more.
The design incorporates built-in smart protection technology, including automatic overload cutoff, overvoltage control, thermal shutdown, and short-circuit prevention. Certified by CE, FCC, and RoHS, it ensures compliance with international standards for electrical safety.
A perfect replacement for 3A, 4A, or 5A units—thanks to non-forced amperage, devices will only draw the power they need, reducing risk and extending hardware life. Stable, quiet operation makes it a reliable power source for professional or home use.
12V 4A Power Adapter – With 5.5×2.1mm Female Connector
Perfect for installers and hobbyists alike, the COOLM 12V 4A power adapter delivers consistent 48W output and includes a free 5.5×2.1 mm female connector for faster, safer LED and camera installations. The 5.5 × 2.5 mm DC plug ensures compatibility with common 12V electronics—from CCTV and LED strips to routers and mini displays.
This model uses a third-generation smart IC chip to protect connected devices from voltage spikes, thermal overloads, and short circuits. Combined with international voltage input (AC 100–240V, 50/60Hz), it’s ideal for both domestic and global use.
Non-forced amperage support makes it a smart upgrade or replacement for adapters rated 2A–3.5A. Whether powering smart lighting or security infrastructure, this adapter is built to handle demanding environments with maximum reliability and minimal hassle.
About COOLM
COOLM delivers a spectrum of DC‑power accessories—adapters, splitter cables, extension leads, and waterproof units—tailored for low‑voltage electronics such as CCTV, LED lighting systems, routers, and similar devices. With a strong focus on reliability and wide compatibility, the brand positions itself as a go‑to for both professional installers and DIY users seeking affordable, plug‑and‑play solutions.
Each COOLM adapter integrates safety features like overload cut‑off, thermal shutdown, short‑circuit protection, and over‑voltage defense. Many models are backed by certifications such as CE and FCC, ensuring products meet international quality and safety standards—making them suitable for demanding applications and sensitive electronics.
COOLM’s catalog spans a broad range of outputs—common offerings include DC 12 V at 2.5 A, 3 A, 4 A, and up to 10 A; they also support 15 V and 24 V configurations. Connector types are standardized around popular sizes like 5.5 × 2.1 mm and 5.5 × 2.5 mm, with adapters often providing compatibility with both. Units are designed with flexible amperage (not forced), making cross‑device usage seamless.
Installers highlight COOLM’s clearly labeled adapters and durable cables, which reduce errors and speed up configurations—especially in multi‑device setups. DIY users appreciate the no‑fuss compatibility and safety. Whether powering surveillance gear, LED lighting, or home networking hardware, COOLM offers dependable power options without premium pricing—delivering great value for both individuals and project specifiers.
Hear From Customers
Reliable gear is everything on the job, and COOLM saves me hours. The adapters are clearly labeled, lightweight but solid, and every unit I’ve used comes with proper protection built in. For multi-camera installs, I can count on their amperage flexibility without frying gear. Just connect and go. That kind of trust is rare in low-voltage accessories.
Michael Tran
Not every brand hits the balance between cost-efficiency and performance. COOLM does. These power adapters seamlessly support our LED display units and smart home hubs, even across rapid prototyping cycles. Bonus points for their 5.5×2.1 mm flexibility and clean documentation. A functional, no-fuss solution that fits right into commercial and pilot projects alike.
Lisa Morgan
Picked up a COOLM adapter to run a long LED strip on a set build—figured I’d test it on cam. It didn’t overheat, didn’t buzz, and powered the whole rig like a champ. Big fan of the included connector in the 4A version. Honestly didn’t expect this level of safety and labeling from a brand I hadn’t heard much about. Consider me converted.
