A basic UPS that will keep your computers and network devices up during brownouts and safely shuts them down during blackouts.
[Edit] As noted by @MasterScythe, if all you're powering is simple network devices such as modems and routers, these should last you a while (> 60 minutes)
The following deal offers more power reserve per dollar: https://www.ozbargain.com.au/node/631738
But if you're just dabbling and want to check out what UPS are all about, this might be it.
Original ebay deal: https://www.ozbargain.com.au/node/630376
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Product Details
Output:
- Capacity (VA): 600
- Capacity (Watts): 360
- On Battery Waveform: Simulated Sine Wave
- Outlet Type: AU x 2
- Outlet(s) - Battery & Surge Protected: 2
Battery:
- Runtime at Half Load ( min ): 8
- Runtime at Full Load ( min ): 1
- Typical Recharge Time ( Hours ): 8
- Start On Battery: Yes
- User-replaceable: No
- Battery Type: Sealed Lead-acid
MANAGEMENT & COMMUNICATIONS:
- HID Compliant USB Port(s): 1
Product page: https://www.cyberpower.com/au/en/product/sku/Value600EI
Even if you're a laptop or phone user; small UPS like these provide HOURS when just powering your modem/router.
Keeps my laptops online during blackouts.