23.5L Leuts Primary Deluxe Backpack School Library Book Bag - Brown free-shipping overheating protection and built-in BMS

overheating protection and built-in BMS that will send a warning and take measures to protect the battery under abnormal circumstances

or while multitasking in your study

Its class-leading 63cc 2

- Double hole operation can simultaneously charge 2 balloons

With a powerful yet quiet motor

23.5L Leuts Primary Deluxe Backpack School Library Book Bag - Brown free-shipping overheating protection and built-in BMSInternal divider gives two compartments. U top zip for easy access. Large front pocket. Rip Stop fabric with PU backing. Reflective strip. Continuous coil self repairing zips. Padded back straps. Mesh drink bottle holder. Weight distributing and waist support straps. 23. 5L capacity