Nitecore D4 Digicharger Smart Universal Charger with 4x 3400mAh Nitecore 18650 Batteries, Bonus Car Adapter and Bright Keychain Light - Compatible for Li-ion 26650 22650 18650 17670 18490 17500 17335 16340 (RCR123) 14500 10440 Ni-MH/Ni-CD: AA AAA A SC C Rechargeable Batteries

Features:
* Charging up to 4 batteries simultaneously
* Monitors and charges each of the four battery slots independently
* Detects the battery type and status and automatic select appropriate charge modes (CC, CV, dV/dt). (Exception: LiFePO4 batteries require manual selection).
* Automatically stops charging when complete.
* Integrated LCD panel clearly displays charging mode, voltage, current and progress
* Reverse polarity protection
* Over-charge prevention to protect batteries
* Overheating prevention through temperature monitoring and optimal heat dissipation design
* Compatible and optimized for:
+++ IMR batteries
+++ LiFePO4 batteries
+++ Small capacity batteries
* Conveniently located side buttons to manually select specific battery types and charging parameters
* Made from durable ABS (fire retardant / flame resistant)

Specification:
* Compatible battery types:
+++ Li-ion (26650, 22650, 18650, 17670, 18490, 17500, 18350, 16340(RCR123), 14500, 10440).
+++ Ni-MH and Ni-Cd (AA, AAA, AAAA, C) rechargeable batteries
* Input: AC 100-240V 50/60Hz 0.35A(MAX), DC 12V 1A
* Output voltage: 4.2V ±1% / 3.7V ±1% / 1.48V ±1%
* Output current: 375mA x 4 / 750mA x 2
* Dimensions: 5.6" (143mm) × 3.9" (99mm) × 1.4" (36mm)
* Weight: 8.5oz (239g) (without batteries and power cord)

Battery Specification
* Capacity: 3400mAh
* Voltage: 3.7V
* Recharge: up to 500 cycles
* Protected: Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V.
* Chemistry: Li-ion