The specs of the ZRTZ battery are. 800mAh - More than DOUBLE the 300mAh capacity of the SRAM originals. 20.0g - Over 4g LIGHTER than the SRAM originals.
SRAM eTap AXS Battery
SRAM eTap axs Battery alternative from ZRTZ - great spare, 800mah capacity!
SRAM eTap/AXS Battery Charger with USB Cable
SRAM eTap AXS Battery Charger and Cable .
SRAM eTap AXS Battery Charger + Canle
SRAM eTap/AXS Battery for Front/Rear Derailleurs Clip NEW