🔋 Opus BT-C3100: Li-Ion Battery Charger & Capacity Tester ⚡ Hidden switch, 18650 21700

Opus BT-C3100 Charger – Test & Review | 18650, 21700, Li-Ion, NiMH & More! Charging, discharging, capacity measurement, internal resistance testing, and evaluating Li-Ion cells. 👉   / @pascalfiabane   In this video, I test the Opus BT-C3100 V2.2 18650 battery charger – an intelligent battery charger for 18650, 21700, 26650, 14500, 16340, AA, AAA, cell, and many other battery types! The Opus is ideal for charging and measuring the capacity of Li-Ion (3.7V), NiMH, and NiCd batteries. It allows for charging, discharging, and testing of 18650, 21700, 26650, and other batteries. 18650 lithium ion battery charger 💡 Features & Functions: ✅ Supports charging and testing of 18650, 21700, 26650, 14500, 16340, AA, AAA & more battery cells ✅ Li-Ion, NiMH, NiCd charger with capacity test ✅ Four independent charging slots for 18650, 21700, 26650, etc. ✅ Adjustable charging current: 200mA – 2000mA for different batteries ✅ Capacity measurement, internal resistance test & refresh mode for 18650, 21700, 26650 cells ✅ Protection against overcharging, overheating & short circuits 📌 Perfect for: 🔹 18650, 21700, 26650 batteries in flashlights & e-cigarettes 🔹 DIY power banks & battery projects with 18650, 21700 cells 🔹 Building your own batteries, RC modeling & hobby projects using 18650, 21700, 26650 cells 🔹 Battery capacity measurement / internal resistance testing --------------------------------------------------------------------------------------- Chapters 00:00 Functions + Capacity Test 05:58 Measuring Internal Resistance 07:57 User Manual 08:08 Hidden Switch ------------------------------------------------------------------------------------ 🔔 Subscribe to the channel & activate the bell if you want to learn more about 18650, 21700, 26650 batteries, chargers & tech! Are you a DIY enthusiast looking for the best budget-friendly hacks? Then you’re in the right place! DIY: Batteries, Off-grid, 18650, 21700 Cells, Solar, Power Stations, Free Energy Hacks 🚀 We regularly share practical electronics hacks on this channel! 👉    / @pascalfiabane   Subscribe, enable notifications, and share your thoughts in the comments! #OpusBTC3100 #BatteryCharger #18650 #21700 #26650 #18650Charger #21700Charger #26650Charger #LiIon #NiMH #Batteries #BatteryTech #DIY #Vape #Flashlight #RCModeling #Test #Review