VRLA Waller roj teeb tau muab faib ua:
1. Cov roj teeb me me VRLA Waller siv rau hauv lub teeb pom kev kub ceev, lub koob yees duab, cov cuab yeej hluav taws xob, cov khoom siv hluav taws xob portable, thiab lwm yam.
2. Pib VRLA Waller roj teeb, xws li maus taus.
3. Tsau VRLA Waller roj teeb yog siv rau UPS fais fab mov, kev sib txuas lus sib txuas lus, thiab lwm yam.
4. Traction VRLA Waller roj teeb yog siv rau hauv lub zog pab tsheb kauj vab, tsheb fais fab, cov khoom ua si hluav taws xob, thiab lwm yam.
