The specs of the ZRTZ battery are. 800mAh - More than DOUBLE the 300mAh capacity of the SRAM originals.
for SRAM Electrified Battery,for Sram Battery Charger,Battery for Red Axs etap Sram Force Rival Eagle GX XX1 X01
UV Coated Battery for SRAM AXS eTap Force Rival GX Eagle for Bike SRAM Component, No Scratches on Battery Surface (Blue/Blue)
[Small, Lightweight] Battery for SRAM AXS Red eTap GX Eagle Force Rival XX1 X01, for SRAM Reverb Seatpost, Colorful, 240mah (Black/Black)
[Small, Lightweight] Battery for SRAM AXS Red eTap GX Eagle Force Rival XX1 X01, for SRAM Reverb Seatpost, Colorful, 240mah (Orange/Orange)
VELYN 500mAh Replacement Battery for SRAM AXS, USB-C Rechargeable Bike Battery with 4-LED Power Indicator, Fits eTap, Eagle, Red, Force, Rival, GX, XX1, X01, Reverb AXS Dropper