Tenergy TN438 16 Bay Smart Charger with LCD and Built-in IC Protection, AA/AAA NiMH/NiCd Rechargeable Batteries Charger with AC Wall Adapter and Car Adapter SAVE TIME & CHARGE MORE - The Tenergy TN438 AA, AAA smart battery charger offers 16 different channels allowing you to charge any combination of AA/AAA NIMH/NICD rechargeable cells. Eliminate the need for multiple household AA/AAA battery chargers. LARGE LCD SCREENS - The easy-to-read LCD panel on this rechargeable battery charger displays the charging/discharging status of each individual battery. SMART CHARGE TECH - Built-in Smart Technology provides full protection against overcharging, overheating, short-circuiting, over-current, and reverse-polarity on the Tenergy NiMH/NlCd battery charger. Additionally, the eight hour safety protection will help save energy and prolong battery life. OPTIONAL REFRESH CYCLE - Easy to use cycling feature fully discharges and charges your cells to extend their overall lifespan and performance. ON-THE-GO CHARGING - We included a worldwide 100~240v AC adapter and car charger to make this truly a universal charger for AA/AAA batteries, the ultimate unit in portability. Includes one year warranty.