It may be difficult to reach the producer's original battery. That's why, I have to search another battery that may be compatible.
Battery dimensions I get from the producer:
3.0 * 92 * 98mm, wire length: 25mm
3.7V, 3000mAh
Other features:
I'm not sure because when I did not remove the battery. Onyx BOOX M96 Zeus's battery is:
There are white, red, black wires.
https://e-ink-reader.ru/battery_info_en.php?dev_id=94
I do not know if N96's battery is same with M96's battery.
Friends who know battery issue, I request you to suggest a battery that may be suitable for N96.