{"product_id":"hobbywing-3a-ubec-5v-6v-external-bec","title":"Hobbywing 3A UBEC 5V\/6V External Switching BEC for 2-6S LiPo RC Models","description":"\u003cp\u003e\u003cimg style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0617\/0582\/files\/001_0b118a95-00a5-4c13-8dd0-266f286cd685.jpg\" alt=\"Hobbywing 3A UBEC 5V\/6V external switching BEC for 2-6S LiPo RC models\"\u003e\u003c\/p\u003e\n\n\n\u003cp\u003eThe \u003cstrong\u003eHobbywing 3A UBEC 5V\/6V External Switching BEC for 2-6S LiPo RC Models\u003c\/strong\u003e is a compact external receiver-power regulator designed for RC setups that need stable voltage for receivers, gyros, servos, and other onboard electronics. It draws power from a 2S to 6S LiPo battery and converts it into a safe, consistent \u003cstrong\u003e5V or 6V output at up to 3A\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThis external switching BEC is useful when your ESC has no built-in BEC, when you are using an OPTO ESC, or when the ESC’s built-in BEC is not strong enough for your servo load. Compared with a traditional linear BEC, the switch-mode design offers higher efficiency on higher-voltage setups, especially 4S, 5S, and 6S LiPo systems.\u003c\/p\u003e\n\n\u003cp\u003eWith switchable 5V\/6V output, 2-6S LiPo input support, reverse polarity protection, and EMI reduction design, this Hobbywing UBEC is a practical power accessory for RC airplanes, helicopters, boats, cars, crawlers, and custom RC models.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size: 18px; font-weight: bold; margin: 24px 0 10px; color: #000; border-bottom: 1px solid #eee; padding-bottom: 6px;\"\u003eProduct Specifications\u003c\/h2\u003e\n\n\u003ctable style=\"width: 100%; display: block; overflow-x: auto; border-collapse: separate !important; border-spacing: 0 8px !important; font-size: 14px; line-height: 1.3;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; background: #E60073; color: #fff; font-weight: bold; padding: 12px; border-radius: 6px 0 0 6px;\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd style=\"background: #f7f7f7; padding: 12px; border-radius: 0 6px 6px 0;\"\u003eHobbywing 3A UBEC 5V\/6V External Switching BEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; background: #E60073; color: #fff; font-weight: bold; padding: 12px; border-radius: 6px 0 0 6px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"background: #f7f7f7; padding: 12px; border-radius: 0 6px 6px 0;\"\u003eUBEC-3A-6S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; background: #E60073; color: #fff; font-weight: bold; padding: 12px; border-radius: 6px 0 0 6px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"background: #f7f7f7; padding: 12px; border-radius: 0 6px 6px 0;\"\u003e86010010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; background: #E60073; color: #fff; font-weight: bold; padding: 12px; border-radius: 6px 0 0 6px;\"\u003eBEC Type\u003c\/td\u003e\n\u003ctd style=\"background: #f7f7f7; padding: 12px; border-radius: 0 6px 6px 0;\"\u003eExternal switch-mode UBEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; background: #E60073; color: #fff; font-weight: bold; padding: 12px; border-radius: 6px 0 0 6px;\"\u003eContinuous Output Current\u003c\/td\u003e\n\u003ctd style=\"background: #f7f7f7; padding: 12px; border-radius: 0 6px 6px 0;\"\u003e3A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; background: #E60073; color: #fff; font-weight: bold; padding: 12px; border-radius: 6px 0 0 6px;\"\u003ePeak Output Current\u003c\/td\u003e\n\u003ctd style=\"background: #f7f7f7; padding: 12px; border-radius: 0 6px 6px 0;\"\u003e5A \/ 10 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; background: #E60073; color: #fff; font-weight: bold; padding: 12px; border-radius: 6px 0 0 6px;\"\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd style=\"background: #f7f7f7; padding: 12px; border-radius: 0 6px 6px 0;\"\u003e5V\/3A or 6V\/3A, switchable by jumper cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; background: #E60073; color: #fff; font-weight: bold; padding: 12px; border-radius: 6px 0 0 6px;\"\u003eInput Voltage\u003c\/td\u003e\n\u003ctd style=\"background: #f7f7f7; padding: 12px; border-radius: 0 6px 6px 0;\"\u003e5.5V-26V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; background: #E60073; color: #fff; font-weight: bold; padding: 12px; border-radius: 6px 0 0 6px;\"\u003eBattery Compatibility\u003c\/td\u003e\n\u003ctd style=\"background: #f7f7f7; padding: 12px; border-radius: 0 6px 6px 0;\"\u003e2-6S LiPo \/ 5-18 cells NiMH or NiCd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; background: #E60073; color: #fff; font-weight: bold; padding: 12px; border-radius: 6px 0 0 6px;\"\u003eRipple\u003c\/td\u003e\n\u003ctd style=\"background: #f7f7f7; padding: 12px; border-radius: 0 6px 6px 0;\"\u003e\u0026lt;50mVp-p @ 2A \/ 12V input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; background: #E60073; color: #fff; font-weight: bold; padding: 12px; border-radius: 6px 0 0 6px;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"background: #f7f7f7; padding: 12px; border-radius: 0 6px 6px 0;\"\u003e41.6 × 16.6 × 7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; background: #E60073; color: #fff; font-weight: bold; padding: 12px; border-radius: 6px 0 0 6px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"background: #f7f7f7; padding: 12px; border-radius: 0 6px 6px 0;\"\u003e11g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"font-size: 18px; font-weight: bold; margin: 24px 0 10px; color: #000; border-bottom: 1px solid #eee; padding-bottom: 6px;\"\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3A external UBEC:\u003c\/strong\u003e Provides stable receiver and servo power for RC models that need a separate BEC solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5V\/6V switchable output:\u003c\/strong\u003e Select 5V or 6V output using the jumper cap to match your receiver and servo requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-6S LiPo input support:\u003c\/strong\u003e Works with common 2S, 3S, 4S, 5S, and 6S LiPo power systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch-mode efficiency:\u003c\/strong\u003e More efficient than a traditional linear BEC, especially when used with higher-voltage LiPo packs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5A peak current:\u003c\/strong\u003e Supports short burst current demand up to 5A for 10 seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMI reduction design:\u003c\/strong\u003e Shielded electronics and output filtering help reduce electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse polarity protection:\u003c\/strong\u003e If battery polarity is connected incorrectly, the UBEC will not work but is designed to avoid damage from that mistake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and lightweight:\u003c\/strong\u003e Small 11g design makes it easy to install in airplanes, helicopters, boats, cars, and other RC models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size: 18px; font-weight: bold; margin: 24px 0 10px; color: #000; border-bottom: 1px solid #eee; padding-bottom: 6px;\"\u003eWhen Should You Use This Hobbywing 3A UBEC?\u003c\/h2\u003e\n\n\u003cp\u003eUse this Hobbywing 3A UBEC when your RC model needs a stable external BEC instead of relying only on the ESC’s built-in BEC. It is especially helpful for models with multiple servos, higher-voltage LiPo setups, OPTO ESCs, or receiver systems that require a cleaner and more reliable power path.\u003c\/p\u003e\n\n\u003cp\u003eFor 4S to 6S LiPo systems, a switching BEC is often a better choice than a linear BEC because it reduces wasted heat and improves efficiency. This makes the UBEC-3A-6S a practical option for RC airplanes, helicopters, boats, crawlers, and custom builds where receiver-power stability matters.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size: 18px; font-weight: bold; margin: 24px 0 10px; color: #000; border-bottom: 1px solid #eee; padding-bottom: 6px;\"\u003eInstallation Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eConnect the UBEC input wires to the main battery power source.\u003c\/li\u003e\n\u003cli\u003ePlug the UBEC output lead into a spare receiver channel or receiver power input port.\u003c\/li\u003e\n\u003cli\u003eIf your ESC has no built-in BEC, no ESC-side BEC change is required.\u003c\/li\u003e\n\u003cli\u003eIf your ESC already has a built-in BEC, disable the ESC’s BEC before using this external UBEC.\u003c\/li\u003e\n\u003cli\u003eKeep the UBEC at least 5cm away from the receiver to reduce possible electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eCheck your receiver and servo specifications before selecting 5V or 6V output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size: 18px; font-weight: bold; margin: 24px 0 10px; color: #000; border-bottom: 1px solid #eee; padding-bottom: 6px;\"\u003eUser Manual\u003c\/h2\u003e\n\n\u003cp\u003eFor wiring details, setup notes, and installation guidance, please refer to the official \u003ca style=\"color: #E60073; text-decoration: underline;\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0617\/0582\/files\/UBEC3A2-6S.pdf\" target=\"_blank\"\u003eHobbywing 3A UBEC user manual\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size: 18px; font-weight: bold; margin: 24px 0 10px; color: #000; border-bottom: 1px solid #eee; padding-bottom: 6px;\"\u003eRecommended Applications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eRC airplanes using 2S to 6S LiPo power systems\u003c\/li\u003e\n\u003cli\u003eRC helicopters with receiver, gyro, and servo power demand\u003c\/li\u003e\n\u003cli\u003eRC boats or cars using external receiver-power setups\u003c\/li\u003e\n\u003cli\u003eOPTO ESC systems that require a separate BEC\u003c\/li\u003e\n\u003cli\u003eCustom RC models where stable 5V\/6V electronics power is needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more ESC and power-system options, explore our \u003ca style=\"color: #E60073; text-decoration: underline;\" href=\"https:\/\/chinahobbyline.com\/collections\/hobbywing-escs\"\u003eHobbywing ESCs\u003c\/a\u003e, \u003ca style=\"color: #E60073; text-decoration: underline;\" href=\"https:\/\/chinahobbyline.com\/collections\/esc-programmers-accessories\"\u003eESC Programmers \u0026amp; Accessories\u003c\/a\u003e, and \u003ca style=\"color: #E60073; text-decoration: underline;\" href=\"https:\/\/chinahobbyline.com\/collections\/external-bec-ubec\"\u003eExternal BEC \u0026amp; UBEC\u003c\/a\u003e collections.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size: 18px; font-weight: bold; margin: 24px 0 10px; color: #000; border-bottom: 1px solid #eee; padding-bottom: 6px;\"\u003eFAQ\u003c\/h2\u003e\n\n\u003ch3 style=\"font-size: 16px; font-weight: bold; margin: 18px 0 8px; color: #000;\"\u003eWhat is this Hobbywing 3A UBEC used for?\u003c\/h3\u003e\n\u003cp\u003eThis Hobbywing 3A UBEC is used to power your receiver, gyro, servos, and other onboard electronics from a stable 5V or 6V output. It is useful when your ESC has no BEC, when the built-in BEC is not strong enough, or when you want a separate receiver-power solution.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 16px; font-weight: bold; margin: 18px 0 8px; color: #000;\"\u003eCan I use this UBEC with a 6S LiPo battery?\u003c\/h3\u003e\n\u003cp\u003eYes. This UBEC supports 2-6S LiPo input, with an input voltage range of 5.5V to 26V.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 16px; font-weight: bold; margin: 18px 0 8px; color: #000;\"\u003eShould I choose 5V or 6V output?\u003c\/h3\u003e\n\u003cp\u003eChoose 5V for standard receiver and servo setups that require 5V power. Choose 6V only if your receiver, gyro, and servos support 6V operation. Always check the electronics specifications before changing the jumper setting.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 16px; font-weight: bold; margin: 18px 0 8px; color: #000;\"\u003eDo I need to disable the ESC’s built-in BEC?\u003c\/h3\u003e\n\u003cp\u003eYes, if your ESC already has a built-in BEC and you want this UBEC to power the receiver, the ESC’s built-in BEC should be disabled first. This avoids powering the receiver from two BEC outputs at the same time.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 16px; font-weight: bold; margin: 18px 0 8px; color: #000;\"\u003eIs this the same as an ESC?\u003c\/h3\u003e\n\u003cp\u003eNo. This product is not an ESC. It does not control the motor. It is an external BEC used to provide stable power to the receiver, servos, gyro, and other low-voltage electronics.\u003c\/p\u003e","brand":"ChinaHobbyLine","offers":[{"title":"Global","offer_id":48552939389142,"sku":"UBEC-3A-6S GL","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0617\/0582\/files\/01_a7454aa2-cb05-47cb-860c-e45a10372c87.avif?v=1783405911","url":"https:\/\/chinahobbyline.com\/de\/products\/hobbywing-3a-ubec-5v-6v-external-bec","provider":"ChinaHobbyLine","version":"1.0","type":"link"}