Tenergy Advanced Universal Charger TN190 (4 Channel AA/AAA/C/D/9V Ni-MH Charger with LCD Display and USB Power Outlet)

Upgraded firmware and improved lid design!

Features & Benefits:
Supports the following NiMH Battery Sizes: AA, AAA, C, D, & 9v
Fast Smart Charging Capabilities
Easy-to-Read Blue LCD Status Display & Ambient Edge Lighting
Intelligent Charging Mode with Auto Cut-Off for Safety
(Negative delta V)
Unique algorithm to detect Bad or Defective Cells
Automatically detect Non-changeable/Disposable battery and cease charging
Refresh Button - battery recondition & helps increase battery life
Independent Charging Channels - 4 Slots
(2 additional for 9v)
Powered by an external AC adaptor (100-240V AC) for Worldwide Use
Automatically Detects/Selects proper charging current for inserted batteries

Safety Features:
Safety Timer Control for Overcharge Protection.
Negative Delta V (- ∆V) Cut-off Function (except for 9V batteries)
Reverse Polarity Protection
Short Circuit Protection.
Non-Rechargeable & Bad Battery (Cell) Detection

Charging Time Table
Battery Type (Ni-MH) Capacity Charging time (approx.)
AAA 500-1200mAh 1.5 - 2.5 hours
AA 1300-2800mAh 1.5 - 2.5 hours
C 1800-4500mAh 1.5 - 4 hours
D 1800-9000mAh 1.5 - 7 .5 hours
9V 150-300mAh 5-10 hours