Olight Omni-Dok Universal Battery Charger For 18650 RCR123 AA AAA 16340 17670 14500 with AC adapter and 12V DC (Car) power cords, Two Olight 3400mAh 18650 rechargeable Li-ion batteries with Two Edisonbright AA->D battery spacer shells

OLIGHT Omni-Dok Universal Battery Charger
Ability to simultaneously and safely charge different types of batteries
Batteries are charged independently with smart charging technology to regulate power accordingly
Overcharge protection stops charging when a cell has reached a full charge
Three-blink notification of improper installation, unsupported batteries, or a shortage
Rubber feet prevent the charger from sliding
Four-hour charge time for 18650s

Olight 18650 3400 mAh (Included)
500 Charge/discharge cycles
Triple over-heat protection
Over-discharge protection
High capacity at low temperature (-10°C)
Higher capacity and lower weight than other rechargeable batteries
Higher energy density

Specifications
Battery Size: 18650
Chemistry: Li-ion
Voltage: 3.6V
Capacity: 3400mAh
Charge current: 1700mA (0.5C)
Maximum charge current: 3600mA (1C)
Maximum discharge current: 4200mA
Diameter: 0.7" (18.6mm)
Height: 2.7" (69.5mm)
Weight: 1.7 oz (49g)

AA to D Battery converter spacers
These allow use of rechargeable AA batteries in D battery equipment.

This bundle includes,
-Olight Omni-dok universal battery charger with in-car cable
-2 X Olight 3400mAh type 18650 battery
-2X EdisonBright AA to D battery converter spacers