Rechargeable Thaub qab roj teeb

1, rechargability: thawj cov khoom lag luam ntawm cov roj teeb rov qab yog nws lub peev xwm yuav tau siv ntau zaus thiab txo qhov kev xav tau ntawm cov roj teeb.
2, ntau yam them nqi: Rechargeable backup roj teeb feem ntau tuaj nrog ntau cov kev xaiv them, xws li ac adaptters, USB chaw nres nkoj, lossis hnub ci panels. Cov neeg siv hluav taws xob no ua rau cov neeg siv hluav taws xob siv cov roj teeb uas siv cov khoom siv sib txawv, suav nrog cov teeb meem phab ntsa, khoos phis tawj, lossis lub zog txuas ntxiv.
3, tus nqi -}}}}}}}}}}}} }ar້ອງ backup muaj peev xwm piv tau rau cov roj teeb uas pov tseg, lawv muaj ntev}} Lub sijhawm muaj kev txuag nyiaj. Hloov chaw ntawm kev yuav cov roj teeb txuas ntxiv, cov neeg siv tuaj yeem txuas tau lub roj teeb thaub qab roj teeb thaum xav tau cov nqi tseem ceeb hauv lub sijhawm.