Lenovo is preparing to launch a new high-end tablet later this month. Joining the Legion Y700 Gen 5 in China, the new tablet has already been confirmed to rival the Xiaomi Pad 8 with Qualcomm's Snapdragon 8s Gen 4 chipset and a 144 Hz display. Now, Lenovo has revealed prospective battery life for the Xiaoxin Pro 13, too.