Online UPS vs Offline UPS - Which One Should You Buy?

Confused between online and offline UPS? Learn which type protects your devices best in 2026.
Confused between online and offline UPS? Learn which type protects your devices best in 2026.
This comparison piece is part of our editorial coverage for buyers in Bangladesh. Everything below is in stock and priced live — the figures update as the catalogue does, so what you see here is what you would pay today.
We have picked out 6 options to look at, starting with MaxGreen MG-LI-KSP 650VA Offline UPS, Digital X 650VA Offline UPS, Prolink 650VA Offline UPS. Each one links straight through to its full specification, warranty terms and delivery options.
Prices in this market move week to week, and stock on the popular models moves faster. If something here is right for you, the product page will tell you whether it is available today or on pre-order.
Written by the editorial team. This is demonstration content for a demo storefront — the products, prices and specifications are real, the commentary is our own.
Products in this guide
Live prices and stock — these update as the catalogue does.

MaxGreen MG-LI-KSP 650VA Offline UPS
- • Model: MG-LI-KSP 650VA
- • Capacity: 650VA
- • Battery type: 1x 12V 7Ah

Digital X 650VA Offline UPS
- • Model: Digital X 650VA
- • Low voltage input
- • Capacity: 650VA

Prolink 650VA Offline UPS
- • Model: Prolink 650VA
- • Capacity 650VA
- • Transfer time: 2-8ms

KSTAR 850VA Offline UPS
- • Model: KSTAR 850VA
- • Capacity: 850VA
- • Load Capacity: 480W

Power Pac 650VA Offline UPS
- • Model: 650VA
- • Capacity: 650VA
- • Load Capacity: 400W

Power Guard PG 650VA CS Offline UPS (Plastic Body)
- • Model: PG 650VA CS
- • Output Voltage (V): 220/230 VAC +/-10%
- • Frequency (Hz - KHz): 50/60Hz +/-5%