OPUS BT-C3100 V2.2 Universal 4-Slot LCD Smart Battery Charger – Rechargeable Battery Replenisher & Accessories

Charge your batteries smarter, safer, and more efficiently with the OPUS BT-C3100 V2.2 Universal Smart Battery Charger — the ultimate 4-slot LCD intelligent charger designed for Li-ion, Ni-MH, and NiCd batteries. Whether you’re a hobbyist, professional, or gadget enthusiast, this charger ensures precision, safety, and convenience in one sleek package.

🔹 Key Features

Four Independent Slots: Charge up to 4 batteries simultaneously, each with customizable charging and discharging currents (200mA–2000mA) and capacity testing for accurate performance monitoring.

Multiple Working Modes: Choose from Charge, Discharge, Test, Quick Test, and Refresh, perfect for maintaining battery health and maximizing lifespan.

Enhanced Safety & Stability: Equipped with short-circuit protection, overcharge/over-discharge protection, over-voltage protection, and circuit detection, along with improved thermal shutdown to prevent overheating even if the fan stops.

Optimized Charging Voltage: New 4.7V regulated charging reduces the load on power adapters and ensures all types of batteries, including Panasonic Li-ion, charge correctly without false readings.

LCD Backlight Display: Easily monitor charging status in low-light conditions, with real-time updates on voltage, current, and capacity. Voltage deviation <0.03V at 4.2V and current deviation <5% for precise charging.

Wide Compatibility: Supports 10440, 14500, 16340, 18650 Li-ion batteries, as well as Ni-MH and NiCd AA/AAA rechargeable cells.

High Capacity Support: Maximum charging capacity up to 20000mAh, making it perfect for power-hungry batteries used in flashlights, vape mods, cameras, and more.

Global Adapter Options: Comes with EU, UK, US, or AU adapters, so you can use it anywhere in the world.

✅ Why Choose OPUS BT-C3100 V2.2

• Smart 4-slot universal battery charger

• LCD display with backlight for clear monitoring

• Multiple modes: charge, discharge, quick test, refresh

• Advanced safety features: over-voltage, overcharge, over-discharge, short-circuit

• Compatible with Li-ion, Ni-MH, and NiCd batteries

• Ideal for hobbyists, electronics enthusiasts, and professional battery management

Take the guesswork out of battery charging — the OPUS BT-C3100 V2.2 combines precision, speed, and safety to keep your batteries performing at their best.