2 Port Battery Charger for SRAM Red eTap AXS [Battery NOT Included]

*TWO way to Charge - FIRST: Use USB C cable to connect 5V-2A wall plug to provide power for Charging; SECOND: Put 3.7V 18500 battery inside to become a POWER BANK to charge. *Extra Function to put 3.7V 18500 Battery [Not Included] into backside, it becomes a Portable POWER BANK CHARGER. Portable and lightweight to carry when travel. *Charge 2pcs orignal SRAM red etap/axs battery together, save time and convenient. *High compatible function to charge original SRAM battery or e-bike AXS/ETAP battery, safe with high charging efficient. *You get : 1* Battery Charger, 1* USB C cable [3.7V 18500 Battery Not included]