LCD Display Speedy Universal Battery Charger, WAAO Joinrun S4 Smart Charger for Rechargeable Batteries Ni-MH Ni-Cd A AA AAA C, Li-ion 18650 26650 26500 22650 18490 17670 17500 RCR123 SAFETY DESIGN: Short-circuit protection, over-Charge protection, over-Heat protection and reverse polarity protection. S4 charger is approved with all kinds of quality standards such as CE, FCC and RoHS, and with Fire Retardant Materials, Intelligent Circuits and Worldwide Insurance. LCD DISPLAY: Automatically Detect battery Status, Select Charge Mode, Cut Off Power at Full or Overtime, and integrated 3.8" LCD Display Clearly Each Battery's Voltage and Type, Charging Current and Time. HIGH EFFICIENCY & SMART: The universal battery charger 4 charging slots can charge different kinds of batteries at the same time, Each slots monitors and charges independently, and automatically stops charging when complete. UNIVERSAL CHARGER for: Li-ion / IMR / INR / ICR / LiFePO4: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 22500, 22650, 25500, 26500, 26650 Ni-MH / Ni-Cd: AA, AAA, AAAA, C. GURANTEE - No hassle 100% money back if you don't like it for any reason. Whats's more, we promise to replace a new one for you if any quality problem in 2 years.