Comparison • Batteries

📅 January 25, 2026 ⏱️ 8:04

🔋 Milwaukee M18 Top Off Gen 2 (2847-20) Full Review & Real-World Testing In this video, we take a deep dive into the brand-new Milwaukee M18 Top Off Gen 2 (Model 2847-20) — Milwaukee’s compact USB-C power supply + M18 battery charger. We compare it against the Gen 1 Top Off, test real charging speeds, explain the 100W bi-directional USB-C PD port, and even check whether it can power a laptop and Starlink Mini. If you’re wondering: • Should you upgrade from Gen 1? • How fast does it charge M18 batteries? • Can it run a MacBook or Starlink? • Is it worth the $99 price? This video answers all of it. ⚙️ Key Topics Covered ✔️ Milwaukee 2847-20 unboxing ✔️ What’s included (65W wall charger + 100W braided USB-C cable) ✔️ USB-C Power Delivery explained ✔️ Charging M18 XC 5.0 battery timing ✔️ Dual USB-C output testing ✔️ Laptop charging test ✔️ Starlink Mini power test ✔️ Gen 1 vs Gen 2 comparison ✔️ Real-world portable power use cases 🔋 Quick Specs • Model: Milwaukee 2847-20 • Platform: M18 Battery System • Bi-Directional USB-C PD up to 100W • Secondary USB-C output: 15W • Charges & powers devices simultaneously • Compact footprint – 65% smaller than standard charger • Compatible with all Milwaukee M18 batteries 💡 Who This Is For • Milwaukee M18 tool owners • DIY & trades professionals • Off-grid & mobile tech users • Laptop & Starlink portable power setups • Camping / jobsite charging 00:00 – Intro & What We’re Reviewing 00:48 – What Is the M18 Top Off Gen 2? 01:44 – What Comes in the Box 02:37 – USB-C Ports & Power Delivery Explained 03:46 – Charging M18 Batteries (Real Timing) 04:32 – Can It Charge Devices While Charging? 05:09 – Dual Output: Laptop + Phone Test 05:26 – Can It Power Starlink Mini? 06:07 – Gen 1 vs Gen 2 Comparison 07:00 – Real-World Portable Power Use Cases 07:28 – Price, Final Thoughts & Who Should Buy