XTAR WP2 II 14500/ 14650/ 17670/18350/ 18500/ 18650/ 18700/ 10440/16340 3.7V Li-ion battery  charger

Charging qualifications and structures
Operation Temperature: 0~40℃
Input AC: 12V DC: 1000mA
500mA CC Current:  500m A±5%
1000 mA CC Current: 1000m A±5%
Cut-Off Voltage:  4.2±0.05V
CV Cut-off Current:  <100mA
Standby Current:  <20.0m A
TC Current (Battery Volt 2.0~3.0V):  80±20m A
Auto Recharging Threshold Value Voltage:  3.9±0.15V

USB Discharging qualifications and structures
Operation Temperature: 0~40℃
USB Interface Output Floating Voltage: 5.0V
Output Floating Voltage Ripple: <120 mV
Reactive Current: <10m A
Maximum Output Current: 500mA
Battery Output Cut-off Voltage: 2.80±0.15V

Notice: The above-mentioned parameters tested in Lab are approximate and may vary between flashlight/charger, batteries and environments.

WP2II Review:

http://www.candlepowerforums.com/vb/showthread.php?321423-Review-of-Measurement-on-Xtar-WP2-II-charger