Tuesday, December 18, 2018

DC Uninterrupted Power Supply XH-M232


This is the XH-M232, a 12volts DC Uninterrupted Power Supply(UPS), i've been looking for this kind of device to power my router, so it will still supply internet during black outs, unfortunately this is the only or few model that does direct DC power supply available in the market, yes you can use the typical UPS for computers but its inefficient as it goes into AC DC AC DC conversion just to power your DC routers which mostly run on 12v, and its an expensive option too aside from the limited size the battery storage you can use. The XH-M232 gives you the choice on what powersupply to use or size of the battery that suits your needs, I used mine on my router which is about 12v 2amps real world data, used its supplied powesupply rated at 12v 3amp, a battery of 12v 10ah. The idea is the router will use battery power during power failure, and the powersupply charging the battery and powering the router. During a power failure, the router draw power from the battery and once power is restored, powersupply will power the router and automatically charge the battery until its full.

The downside of this device is its slow to switch from powersupply to battery vice versa as my router gets restarted during the process, thus its more proper to call it a automatic transfer switch, or battery backup power than the term "Uninterrupted" power supply, still its better to have working router during blackouts than nothing at all, though it could work with no problem with devices that do not restart like an aerator for an aquarium, lights or fans.

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