Powerful and compact, the Nitecore Ci4 is a four-slot universal battery charger that charges Ni-Mh or Ni-cd or lithium batteries such as AAA, AA, 18650, 21700, 16340, 14500, and more. The Ci4 has a built-in intelligent system that automatically detects and charges up to four batteries.
Ci4 is able to reach a maximum charging current of 3000mA which triples the charging speed thanks to the upgrade to USB-C input. It also provides multiple charging safeguards to prevent reverse polarity, overcharge, and overheating.
The Ci4 charger features a USB-C port compatible with various power sources like power banks, solar panels and USB adapters for quick and efficient charging. Weighing only 6.75 ounces and measuring 5.83 inches in length, the lightweight design of the Ci4 allows you to carry this charger everywhere you go.