{"id":530,"date":"2026-06-20T21:43:31","date_gmt":"2026-06-20T21:43:31","guid":{"rendered":"https:\/\/de-pin.tech\/step-6-backup-power-ups\/"},"modified":"2026-07-05T03:57:07","modified_gmt":"2026-07-05T03:57:07","slug":"step-6-backup-power-ups","status":"publish","type":"page","link":"https:\/\/de-pin.tech\/en\/knowledge-base\/step-6-backup-power-ups\/","title":{"rendered":"Step 6: Backup Power & UPS"},"content":{"rendered":"\n

(Input Protection and Node Autonomy)<\/strong><\/p>\n\n

The stability of the external power supply is a critical factor for the survival of any DePIN node. At peak load, our system consumes between 1.8 and 2.4 kW of power. Public utility power grids\u2014whether residential or semi-industrial\u2014are prone to sudden voltage sags, high-frequency interference, and brief outages. <\/p>\n\n

For a regular computer, this would only result in a reboot, but for a server node running on an AI network (such as io.net or Render Network), even a microsecond-long outage means an instant drop in SLA (uptime), penalties (slashing), and a complete loss of ranking in the distributed computing pool. The goal of this stage is to isolate the server from external network failures and create a reliable backup power circuit. <\/p>\n\n

1. The Pitfall of Cheap UPSs: Why Computer UPSs Are a No-Go<\/strong><\/h2>\n\n

\u200bThe first critical mistake when building a high-performance server is trying to buy a standard \u201ccomputer\u201d UPS (Line-Interactive UPS). For our architecture, this is a surefire way to cause equipment failure: <\/p>\n\n

\u200bStepped Sine Wave (Modified\/Approximated Sine Wave): When switching to battery power, budget UPS units output an approximated sine wave (meander). Industrial server power supplies (HP\/Delta \u201cskis\u201d) with active power factor correction (APFC) are physically incapable of operating at such a current\u2014they either immediately trigger a protection circuit or their input circuits burn out due to overheating. <\/p>\n\n

Switchover time: Line-interactive UPSs take 10 to 20 milliseconds to switch from the mains to the battery. For a heavy-duty server running at 100% GPU load, this \u201cdowntime\u201d is long enough for the power supplies to detect a voltage drop and trigger a system reboot. <\/p>\n\n

2. Professional Solution: 3 kW Inverter Systems<\/strong><\/p>\n\n

To ensure maximum reliability, the node\u2019s power supply system is built around high-quality inverters from industry leaders (Victron or Deye). As a matter of principle, we focus on the basic and most affordable 3 kW model. This is more than enough to handle our peak load of 2.4 kW, and it prevents the assembly budget from being unnecessarily inflated. <\/p>\n\n

Critical engineering requirement for switching speed:<\/p>\n\n

\u200bResidential Systems (Delayed-Action Mine): Standard UPS units and inexpensive inverters have a switchover time of 10 to 20 ms. For a heavily loaded server, this is too long\u2014the power supplies will detect a power shortage, and the node will reboot. <\/p>\n\n

Victron vs Deye<\/strong>\u200bA server with four powerful GPUs is neither a refrigerator nor a home computer. Any power dip or switch to battery power poses a risk of the server crashing or data corruption. For our \u201cDIY build\u201d (power consumption ~2.6 kW), choosing the right power supply is critical.\u200b1. Why<\/strong> Victron (3 kW)<\/strong> Is Our<\/strong> Top Choice<\/strong>\u200bFor a single \u201cunit,\u201d Victron is the ideal standard.\u200bSwitchover speed: This is the main advantage. Victron switches to battery power in less than 4 milliseconds (sometimes even faster). For a server power supply, this happens so quickly that it doesn\u2019t even have time to \u201cblink\u201d and reboot. Comparison with household UPSs: Standard household UPSs have a switchover delay of 10\u201320 milliseconds. For server hardware, this is enough to cause the system to crash. Residential UPS units are designed to provide a \u201csafety net\u201d for household appliances, not to maintain the stability of high-load chips.\u200bScalability: Victron\u2019s 3 kW <\/strong>model series fits perfectly <\/strong>into one of our setups. You don\u2019t overpay for excess power, while still getting professional-grade power management.\u200b 2. When should you switch to Deye?<\/strong>\u200bDeye is an excellent solution, but on a different scale.\u200bThe difference: Deye primarily covers the 8\u201312 kW segment and above.\u200bEconomies of scale: Buying a 12-kilowatt Deye for <\/strong>a single machine is like \u201cusing a sledgehammer to crack a nut\u201d and results in unnecessary costs. However, as soon as your farm grows to four \u201cunits\u201d (total consumption approaching 10\u201312 kW), the situation changes.\u200bGrowth Strategy:\u200bStart (1 vehicle): Install 1x Victron 3 kW. This is reliable, fast, and budget-friendly.\u200bExpansion (4 vehicles): If you decide to build a cluster right away, a single powerful 12 kW Deye will be a more economical and convenient solution than a set of four Victrons.\u200bConclusion for your technical setup:\u200bDon\u2019t try to skimp on the \u201cbrains\u201d of your power system. Switching delays are your worst enemy. \u200bLooking for a single unit? Go with the Victron 3 kW\u2014it\u2019s an investment in 4 milliseconds of safety that will protect your computing systems from sudden failures. \u200bPlanning a cluster of 4 or more machines? Consider the Deye 12 kW to consolidate power for your entire infrastructure into a single, reliable unit. Technical note: Never use cheap offline UPS units. They produce an \u201capproximated sine wave,\u201d which can cause server power supplies to emit an unpleasant squealing noise or simply fail under load. Only a pure sine wave from a high-quality Victron or Deye<\/strong> inverter. <\/p>\n\n

Professional Standard (Our Choice): In Victron-class equipment, the switchover time to battery power is less than 4\u20135 milliseconds. This is a critically important threshold. The relay operates so quickly that server power supplies with active power factor correction (APFC) are physically unable to detect the voltage dip and continue to operate stably in normal computing mode. <\/p>\n\n

3. Buffer Battery Array: Choice and Cost-Effectiveness<\/strong><\/h2>\n\n

The primary task of the battery backup in our scenario is to keep the server running for 2 hours (enough time to resolve a local failure or safely complete current computing tasks). Since such outages occur not several times a day, but on average once a month, the system integrator has every right to choose between the two technologies based on their budget. <\/p>\n\n

Option A: Gel Batteries (GEL \/ AGM) \u2014 An Affordable Option<\/strong><\/h3>\n\n
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  • \u200bPros:<\/strong> They are significantly cheaper than their lithium counterparts, widely available, and widely used in off-grid power systems.<\/li>\n\n\n\n
  • \u200bRationale:<\/strong> Since the battery operates exclusively in a low-discharge-cycle mode (infrequent discharge cycles), the lithium\u2019s enormous cycle life simply will not be exhausted in this scenario. Gel batteries will perform their task perfectly, saving a significant portion of the initial investment. <\/li>\n\n\n\n
  • \u200bCons:<\/strong> They are heavier and larger, and take longer to fully charge after being deeply discharged.<\/li>\n<\/ul>\n\n

    Option B: Lithium iron phosphate (LiFePO4) battery packs \u2014 Uncompromising premium quality<\/strong><\/h3>\n\n