Nea ɛyɛ power bank .

Power bank yɛ battery a ɛtumi sie ahoɔden na ɛsan de ahoɔden gu mu. Power bank dodow no ara yɛ nea wotumi fa so a wobetumi ayi afi mu. Ebetumi asan ahyɛ nkurɔfo fon, USB akyidifo, akasafo, aso mu afiri ,laptops anaa ɛlɛtrɔnik mfiri afoforo mu den.

Wɔde shell, battery cell ne PCB boards na ɛyɛ. Shell no nneɛma dodow no ara yɛ plastic a ɛyɛ aluminum a wɔde ogya ayɛ a ɛyɛ plastic. Na batere nkwammoaa a wɔtaa de di dwuma ne lithium a ɛyɛ nsu-ion ne polymer lithium-ion batere. PCB afã horow no yɛ beae a wɔhwɛ anyinam ahoɔden sikakorabea so. Ɛhwɛ charging ne recharging, fast charge anaasɛ normal charge, over charging, short-circuit, over heating anaa ahobammɔ afoforo so.

Power bank pa betumi de nyansa de tumi a mfiri no hia na ayɛ nsakrae wɔ current no mu bere a charge no, abɔ battery no ho ban na ama nkwa nna no atrɛw na ama charge no ayɛ adwuma yiye.