{"product_id":"cotek-12v-3000w-125a-low-frequency-pure-sine-wave-inverter-charger","title":"Cotek 12v 3000w 125a Low Frequency Pure Sine Wave Inverter Charger","description":"\u003cp\u003eThe \u003cstrong\u003eCotek SL-3000-112\u003c\/strong\u003e is a \u003cstrong\u003e12V 3000W\u003c\/strong\u003e low-frequency pure sine wave inverter charger designed for \u003cstrong\u003eoff-grid power systems, RVs, boats, solar setups, and emergency backup power applications\u003c\/strong\u003e. This all-in-one unit combines a powerful \u003cstrong\u003epure sine wave inverter, multi-stage battery charger, and automatic AC transfer switch\u003c\/strong\u003e, ensuring uninterrupted power and reliable performance in demanding environments.\u003c\/p\u003e    \u003ch2\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h2\u003e    \u003cul\u003e  \t\u003cli\u003e \u003cstrong\u003eHigh Surge Power Capacity\u003c\/strong\u003e – Provides up to \u003cstrong\u003e5100VA surge power\u003c\/strong\u003e for starting high-draw appliances.\u003c\/li\u003e  \t\u003cli\u003e \u003cstrong\u003eSmart 4-Stage Battery Charging\u003c\/strong\u003e – Supports \u003cstrong\u003eLead-Acid and Lithium batteries\u003c\/strong\u003e with adjustable charging parameters for maximum battery life and efficiency.\u003c\/li\u003e  \t\u003cli\u003e \u003cstrong\u003ePower Sharing \u0026amp; Generator Support\u003c\/strong\u003e – Automatically reduces battery charging current to prevent \u003cstrong\u003eAC input overload\u003c\/strong\u003e, allowing the use of smaller generators without tripping breakers.\u003c\/li\u003e  \t\u003cli\u003e \u003cstrong\u003eAdvanced Protection Systems\u003c\/strong\u003e – Includes \u003cstrong\u003eover\/under voltage, short circuit, overload, and temperature protection\u003c\/strong\u003e to ensure long-term safety and reliability.\u003c\/li\u003e  \t\u003cli\u003e \u003cstrong\u003eRemote Monitoring \u0026amp; System Integration\u003c\/strong\u003e – Supports \u003cstrong\u003eCotek CR-20 remote control panel\u003c\/strong\u003e (sold separately) and features \u003cstrong\u003eRS-232 communication\u003c\/strong\u003e for advanced system integration.\u003c\/li\u003e  \u003c\/ul\u003e    \u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e    \u003cp\u003eThe \u003cstrong\u003eCotek SL-3000-112\u003c\/strong\u003e is engineered to provide a stable and efficient \u003cstrong\u003e120V AC power output\u003c\/strong\u003e, making it ideal for powering sensitive electronics, appliances, and off-grid energy solutions. \u003cstrong\u003eThe pure sine wave output\u003c\/strong\u003e ensures compatibility with a wide range of devices, from home appliances to medical equipment.\u003c\/p\u003e    \u003ch3\u003e\u003cstrong\u003eSmart Battery Charging\u003c\/strong\u003e\u003c\/h3\u003e    \u003cp\u003eThis inverter charger features a \u003cstrong\u003e4-stage battery charging system\u003c\/strong\u003e (Bulk, Absorption, Final, Equalize) that optimizes battery performance and extends lifespan. The built-in \u003cstrong\u003ePower Factor Correction (PFC)\u003c\/strong\u003e improves energy efficiency by maximizing real power utilization from the AC input.\u003c\/p\u003e    \u003ch3\u003e\u003cstrong\u003eIntegrated Power Sharing \u0026amp; Generator Compatibility\u003c\/strong\u003e\u003c\/h3\u003e    \u003cp\u003eThe \u003cstrong\u003ePower Sharing function\u003c\/strong\u003e automatically adjusts the charging current to prevent overloading the AC source, allowing users to operate \u003cstrong\u003esmaller generators\u003c\/strong\u003e or limited shore power sources without tripping circuit breakers. This feature makes it especially useful in \u003cstrong\u003eRV and marine applications\u003c\/strong\u003e.\u003c\/p\u003e    \u003ch3\u003e\u003cstrong\u003eComprehensive Safety and Protection\u003c\/strong\u003e\u003c\/h3\u003e    \u003cp\u003eThe \u003cstrong\u003eSL-3000-112\u003c\/strong\u003e is equipped with advanced \u003cstrong\u003esafety features\u003c\/strong\u003e, including:\u003c\/p\u003e    \u003cul\u003e  \t\u003cli\u003e\u003cstrong\u003eInput over\/under voltage protection\u003c\/strong\u003e\u003c\/li\u003e  \t\u003cli\u003e\u003cstrong\u003eOutput short circuit and overload protection\u003c\/strong\u003e\u003c\/li\u003e  \t\u003cli\u003e\u003cstrong\u003eOver-temperature shutdown with auto-restart\u003c\/strong\u003e\u003c\/li\u003e  \u003c\/ul\u003e    \u003cp\u003eThese built-in protections ensure the longevity of the inverter charger and safeguard connected devices from electrical faults.\u003c\/p\u003e    \u003ch3\u003e\u003cstrong\u003eRemote Monitoring \u0026amp; Communication\u003c\/strong\u003e\u003c\/h3\u003e    \u003cp\u003eThe \u003cstrong\u003eSL-3000-112\u003c\/strong\u003e is compatible with \u003cstrong\u003eCotek's CR-20 remote control panel\u003c\/strong\u003e (sold separately), allowing users to monitor and control the inverter charger from a convenient location. Additionally, \u003cstrong\u003eRS-232 communication\u003c\/strong\u003e enables integration with advanced power management systems for remote diagnostics and system automation.\u003c\/p\u003e    \u003chr\u003e  \u003ch2\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/h2\u003e    \u003ctable border=\"1\"\u003e  \t\u003cthead\u003e  \t\t\u003ctr\u003e  \t\t\t\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e  \t\t\t\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e  \t\t\u003c\/tr\u003e  \t\u003c\/thead\u003e  \t\u003ctbody\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003eSL-3000-112\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eInput Voltage (DC)\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003e12V DC\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eOutput Voltage (AC)\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003e120V AC ±3%\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eContinuous Output Power\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003e3000W\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eSurge Power (3 sec.)\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003e5100VA\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eWaveform\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003ePure Sine Wave\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eOutput Frequency\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003e50Hz \/ 60Hz (Auto-sensing)\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eBattery Charger Current\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003e125A\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eBattery Charging Stages\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003e4-stage (Bulk, Absorption, Final, Equalize)\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003ePower Factor Correction (PFC)\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003eYes\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eAC Transfer Switch\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003eBuilt-in (30A)\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003e≥90%\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eCooling System\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003eThermally controlled fan\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003e-20°C to 60°C (-4°F to 140°F)\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eProtections\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003eOver\/Under Voltage, Overload, Short Circuit, Over Temp\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003eRS-232\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eRemote Control Compatibility\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003eCR-20 (Sold Separately)\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003e481 x 223 x 179 mm (18.9” x 8.8” x 7.0”)\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\t\u003ctr\u003e  \t\t\t\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e  \t\t\t\u003ctd\u003e26.5 kg (58.4 lbs)\u003c\/td\u003e  \t\t\u003c\/tr\u003e  \t\u003c\/tbody\u003e  \u003c\/table\u003e    \u003cp\u003e\u003c!-- notionvc: ac695a77-931b-43c6-b5a4-a128656c61a2 --\u003e\u003c\/p\u003e","brand":"COTEK","offers":[{"title":"Default Title","offer_id":55064623284563,"sku":"SL3000","price":727.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/SL_1_20_1_7d024422-cf31-4f61-8ba8-db6369ebb800.jpg?v=1790371976","url":"https:\/\/progradewarehouse.com\/products\/cotek-12v-3000w-125a-low-frequency-pure-sine-wave-inverter-charger","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}