[Question]jailbreak ios 10.2 and unexpected shutdowns

i have some unexpected shutdowns when i am on jailbreak state.my battery has only 280 cycles and 90% health.If i am 20-30% I can't jailbreak, when I run yalu ipa my phone shut down and I can see The charging cable logo.i dont have any problems when I am on unjailbrokn state.anyone else has this experience? iphone 6s 10.2