{"product_id":"sp-320-13-5-power-supply-13-5v-22a-reliable-auto-switching","title":"SP-320-13.5 Power Supply 13.5V 22A - Reliable Auto-Switching","description":"\u003cp\u003eIn this review the SP-320-13.5 is evaluated as a practical, no-frills industrial power module for projects that need a stable 13.5V supply. The reviewer found it most useful for bench power, embedded systems, and equipment that require continuous DC power where efficiency and a single strong rail matter. Its primary selling point is a solid 297 W single output delivered in a compact metal housing, making the unit a straightforward choice when a dependable, auto-switching \u003cstrong\u003eac to dc power supply\u003c\/strong\u003e is required.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSingle 13.5V output:\u003c\/strong\u003e Provides a focused 22 A rail that simplifies wiring and avoids multi-output complexity for single-voltage systems.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e297 W continuous power:\u003c\/strong\u003e Handles moderate to heavy loads for LED drivers, test rigs, and embedded controllers without immediate thermal concerns.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAuto-switching type:\u003c\/strong\u003e Automatically adapts to input conditions so it can be used in different regions or setups without manual switching.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompact metal housing:\u003c\/strong\u003e The 8.5 in x 4.5 in x 2.0 in enclosure is space-efficient for internal mounting or tight bench layouts.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e86% efficiency:\u003c\/strong\u003e Delivers relatively high conversion efficiency which reduces waste heat compared with less efficient supplies in similar classes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe SP-320-13.5 is aimed at technicians, hobbyists, and small-scale integrators who need a dependable single-rail power source for equipment like controllers, LED systems, or test benches. Its fixed 13.5 V output and 22 A capacity suit projects where a single regulated DC voltage simplifies design and installation.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for users who need multiple isolated outputs, variable voltage, or ultra-compact consumer electronics adapters. If you require programmable sequencing, remote monitoring, or a regulated lab power supply with fine voltage\/current adjustment, consider a different product designed for those features.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eClear, high-capacity single output that simplifies power distribution for 13.5 V systems.\u003c\/li\u003e\n \u003cli\u003eAuto-switching input makes deployment easier across different AC supplies without manual selection.\u003c\/li\u003e\n \u003cli\u003eGood energy conversion at 86% efficiency reduces heat compared with lower-efficiency modules.\u003c\/li\u003e\n \u003cli\u003eCompact metal chassis fits into many internal power bays or bench setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eFixed voltage means no onboard adjustment for projects that need variable output.\u003c\/li\u003e\n \u003cli\u003eBasic feature set lacks remote control or monitoring found in more advanced supplies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eac to dc power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eOutput voltage\u003c\/td\u003e\n\u003ctd\u003e13.5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eOutput current\u003c\/td\u003e\n\u003ctd\u003e22 A\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eOutput power\u003c\/td\u003e\n\u003ctd\u003e297 W\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e86 percent\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eauto switching\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eDimensions (L x W x H)\u003c\/td\u003e\n\u003ctd\u003e8.5 in x 4.5 in x 2.0 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe SP-320-13.5 is a solid, value-focused single-output power supply for users who need a reliable 13.5 V, 22 A rail in a compact metal package. Its auto-switching input and 86% efficiency make it a practical choice for installations and bench use where adjustable features are not required. For teams and hobbyists needing a straightforward, robust \u003cstrong\u003esingle output power supply\u003c\/strong\u003e, it offers good utility and predictable performance for the price.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this supply suitable for continuous operation?\u003c\/strong\u003e\u003cbr\u003eYes. The unit is rated for continuous output at 13.5 V and 22 A within its thermal limits, making it appropriate for long-running equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the output voltage be adjusted?\u003c\/strong\u003e\u003cbr\u003eNo. The SP-320-13.5 provides a fixed 13.5 V output and does not include an onboard adjustable regulator for changing the voltage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support international AC inputs?\u003c\/strong\u003e\u003cbr\u003eYes. The auto-switching type adapts to common AC input ranges, simplifying use in different regions without manual input selection.\u003c\/p\u003e","brand":"MEAN WELL","offers":[{"title":"Default Title","offer_id":48248067424475,"sku":"B005T9R776","price":75.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61mT_7HadqL._SL1200.jpg?v=1771072668","url":"https:\/\/gearmusthave.com\/products\/sp-320-13-5-power-supply-13-5v-22a-reliable-auto-switching","provider":"GearMustHave","version":"1.0","type":"link"}