PB 充电器的规格 Model PB2 PB2C PB2S PB2SL Charger Slots 2 2 2 2 Battery Types Unprotected 18650 18650 3.6/3.7V Li-ion 3.6/3.7V Li-ion Input Power 5V 2.1A USB-C 5V 2.1A USB-C QC3.0 & PD3.0 (5V 2A/9V 2A/12V 1.5A) USB-C QC3.0 & PD3.0 (5V 2A/9V 2A/12V 1.5A) USB-C Charging Current 2Ax1/1Ax2 2Ax1/1Ax2 2Ax2/2Ax1/1Ax2 2Ax2/2Ax1/1Ax2 USB Output 5V 2.1A 5V 2.1A QC3.0(5V 2A/9V 2A) QC3.0(5V 2A/9V 2A) Protected 21700 Batteries No No No Yes