BONAI LCD Rechargeable Battery Charger For C, D, AA, AAA (Ni Mh or Ni Cd) and 9V Li ion) Universal With Discharge Function [Black]

Universal Multi-Size Compatibility: Autonomous charging slots accommodate AA, AAA, C, D (1.2V Ni-MH) and 9V (Ni-MH/Lithium) rechargeable batteries simultaneously, offering an all-in-one charging station for household devices, flashlights, and smoke detectors. Smart LCD Display & 9V LED Status: Real-time backlit LCD screen provides clear visibility of each channel's charging progress (CHG / DISCHG / FULL / ERROR). Dedicated LED indicators turn from solid red to green when 9V batteries are fully charged. One-Touch Discharge & Battery Care: Press the dedicated black button to activate the 300–400 mA discharge mode, effectively eliminating Ni-MH memory effect and extending overall battery lifespan. MCU chip regulates current up to 1200 mA for optimized fast charging. Certified 6-Layer Safety Protection: Integrated multi-layer protection guards against over-charging, over-current, over-voltage, short-circuits, high temperature (auto shutdown at 45°C max), and non-rechargeable battery detection for safe overnight charging. Fast USB Type-C Input & Versatile Powering: Powered via a convenient USB Type-C 5V/2A input port for rapid and reliable charging. Easily connects to standard USB wall adapters, laptops, or power banks for flexible home, office, or travel use.