Battery Compatibility: Li-ion batteries: 18650, 21700, 26650 (not compatible with the ARB-L16 series, or the ARB-L21-6000)
Supports USB Type-C charging and discharging
Input: DC 5V, Maximum 1.5A
Output: DC 4.2V, 1.5A
USB output: 5V-1A
Size: Length: 4.29” (109mm) Width: 1.32” (33.5mm) Height: 1.28” (32.5mm)
Weight: 1.69 oz. (48g) excluding battery
Included: USB Type-C charging cable, user manual