{"product_id":"shunt-sc303-300a-for-lifepo4-batteries-inverters","title":"Shunt SC303 300A for LiFePO4 Batteries\/Inverters","description":"\u003ch3 bis_size='{\"x\":11,\"y\":9,\"w\":575,\"h\":22,\"abs_x\":450,\"abs_y\":271}'\u003e\u003cspan bis_size='{\"x\":11,\"y\":9,\"w\":334,\"h\":21,\"abs_x\":450,\"abs_y\":271}'\u003eSimarine SC303 – 300A Active Digital Shunt\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\" bis_size='{\"x\":11,\"y\":43,\"w\":575,\"h\":58,\"abs_x\":450,\"abs_y\":305}'\u003e\u003cstrong bis_size='{\"x\":11,\"y\":43,\"w\":528,\"h\":58,\"abs_x\":450,\"abs_y\":305}'\u003e\u003cspan bis_size='{\"x\":11,\"y\":43,\"w\":528,\"h\":58,\"abs_x\":450,\"abs_y\":305}'\u003eHigh-precision active shunt for comprehensive battery monitoring, designed for LiFePO₄, AGM, gel, and lead‑acid batteries – ideal for use with inverters, large consumers, and energy management systems.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\" bis_size='{\"x\":11,\"y\":117,\"w\":575,\"h\":137,\"abs_x\":450,\"abs_y\":379}'\u003e\u003cspan bis_size='{\"x\":11,\"y\":117,\"w\":548,\"h\":77,\"abs_x\":450,\"abs_y\":379}'\u003eThe SC303 is an innovative combination of a high-amp shunt and a tank level module. Its primary purpose is to provide complete battery monitoring by showing you the state of charge of a battery or battery bank, its current and voltage readings, as well as the temperature of the battery compartment\u003c\/span\u003e\u003ca href=\"https:\/\/simarine.net\/combo-shunts-sc303-and-sc503\/\" rel=\"noreferrer\" bis_size='{\"x\":263,\"y\":176,\"w\":0,\"h\":19,\"abs_x\":702,\"abs_y\":438}' target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan bis_size='{\"x\":11,\"y\":176,\"w\":573,\"h\":77,\"abs_x\":450,\"abs_y\":438}'\u003e. It is compatible with all common battery types, including LiFePO₄, and is capable of monitoring the current draw of heavy consumers such as inverters, thrusters, and winches, as well as current generators like shore power chargers and solar panels\u003c\/span\u003e\u003ca href=\"https:\/\/solarkontor.de\/en\/products\/simarine-sc303-digitaler-shunt-300-a?variant=55914632380791\" rel=\"noreferrer\" bis_size='{\"x\":85,\"y\":235,\"w\":0,\"h\":19,\"abs_x\":524,\"abs_y\":497}' target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan bis_size='{\"x\":85,\"y\":235,\"w\":3,\"h\":19,\"abs_x\":524,\"abs_y\":497}'\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\" bis_size='{\"x\":11,\"y\":117,\"w\":575,\"h\":137,\"abs_x\":450,\"abs_y\":379}'\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh current measurement\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Capable of measuring continuous currents of up to 300 A (400 A peak for up to 1 minute, 700 A peak for up to 5 minutes)\u003c\/span\u003e\u003ca href=\"https:\/\/www.exotronic.com.au\/products\/simarine-battery-shunt-300a-2x-voltage-2x-resistan?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=c40871954\u0026amp;pr_rec_pid=8744672657557\u0026amp;pr_ref_pid=8744672690325\u0026amp;pr_seq=uniform\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eActive combo shunt\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Integrates a shunt resistor with a tank level module, providing 2 voltage sensors, 2 resistance inputs (for tank level or temperature), and 1 JST socket for an external temperature sensor\u003c\/span\u003e\u003ca href=\"https:\/\/solarkontor.de\/en\/products\/simarine-sc303-digitaler-shunt-300-a?variant=55914632380791\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh system voltage support\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Battery voltage can be monitored in systems with 12 V, 24 V, 48 V, 60 V, and 72 V\u003c\/span\u003e\u003ca href=\"https:\/\/solarkontor.de\/en\/products\/simarine-sc303-digitaler-shunt-300-a?variant=55914632380791\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh precision\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Current measurement accuracy of ±0.6 %, voltage measurement accuracy of ±0.2 %, and resistance measurement accuracy of ±3.0 %\u003c\/span\u003e\u003ca href=\"https:\/\/offgriddirect.com.au\/products\/battery-shunt-300a-2-x-volt-2-x-resist-1-x-temp-si-sc303?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=e1673a980\u0026amp;pr_rec_pid=7714295906525\u0026amp;pr_ref_pid=7714296234205\u0026amp;pr_seq=uniform\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eLow power consumption\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – draws only 0.8 mA at 12 V, making it ideal for continuous use without draining your battery\u003c\/span\u003e\u003ca href=\"https:\/\/www.svb24.com\/en\/simarine-sc303-measuring-shunt-300-a.html?filter=newest\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eFlexible wiring\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Can be wired to either the negative side (for systems up to 75 V) or the positive side (for systems up to 24 V), simplifying retrofitting in existing installations\u003c\/span\u003e\u003ca href=\"https:\/\/solarkontor.de\/en\/products\/simarine-sc303-digitaler-shunt-300-a?variant=55914632380791\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eInnovative proprietary architecture\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Supports daisy-chaining multiple shunts or linking with other expansion modules from Simarine, allowing you to build a highly scalable monitoring system\u003c\/span\u003e\u003ca href=\"https:\/\/simarine.net\/combo-shunts-sc303-and-sc503\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eValue\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eOperating voltage (electrical system)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e6 – 35 V DC (the shunt itself is powered from the battery)\u003c\/span\u003e\u003ca href=\"https:\/\/www.svb24.com\/en\/simarine-sc303-measuring-shunt-300-a.html?filter=newest\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eSystem voltages supported\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e12 V, 24 V, 48 V, 60 V, 72 V (for battery voltage monitoring)\u003c\/span\u003e\u003ca href=\"https:\/\/solarkontor.de\/en\/products\/simarine-sc303-digitaler-shunt-300-a?variant=55914632380791\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMaximum continuous current\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e300 A\u003c\/span\u003e\u003ca href=\"https:\/\/www.exotronic.com.au\/products\/simarine-battery-shunt-300a-2x-voltage-2x-resistan?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=c40871954\u0026amp;pr_rec_pid=8744672657557\u0026amp;pr_ref_pid=8744672690325\u0026amp;pr_seq=uniform\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMaximum peak current (\u0026lt;1 min)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e400 A\u003c\/span\u003e\u003ca href=\"https:\/\/www.exotronic.com.au\/products\/simarine-battery-shunt-300a-2x-voltage-2x-resistan?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=c40871954\u0026amp;pr_rec_pid=8744672657557\u0026amp;pr_ref_pid=8744672690325\u0026amp;pr_seq=uniform\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMaximum peak current (\u0026lt;5 min)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e700 A\u003c\/span\u003e\u003ca href=\"https:\/\/www.exotronic.com.au\/products\/simarine-battery-shunt-300a-2x-voltage-2x-resistan?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=c40871954\u0026amp;pr_rec_pid=8744672657557\u0026amp;pr_ref_pid=8744672690325\u0026amp;pr_seq=uniform\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eVoltage measurement range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e0 – 75 V\u003c\/span\u003e\u003ca href=\"https:\/\/offgriddirect.com.au\/products\/battery-shunt-300a-2-x-volt-2-x-resist-1-x-temp-si-sc303?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=e1673a980\u0026amp;pr_rec_pid=7714295906525\u0026amp;pr_ref_pid=7714296234205\u0026amp;pr_seq=uniform\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eVoltage measurement accuracy\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e±0.2 %\u003c\/span\u003e\u003ca href=\"https:\/\/www.exotronic.com.au\/products\/simarine-battery-shunt-300a-2x-voltage-2x-resistan?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=c40871954\u0026amp;pr_rec_pid=8744672657557\u0026amp;pr_ref_pid=8744672690325\u0026amp;pr_seq=uniform\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCurrent measuring range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e0.01 – 320 A\u003c\/span\u003e\u003ca href=\"https:\/\/offgriddirect.com.au\/products\/battery-shunt-300a-2-x-volt-2-x-resist-1-x-temp-si-sc303?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=e1673a980\u0026amp;pr_rec_pid=7714295906525\u0026amp;pr_ref_pid=7714296234205\u0026amp;pr_seq=uniform\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCurrent measurement accuracy\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e±0.6 %\u003c\/span\u003e\u003ca href=\"https:\/\/www.exotronic.com.au\/products\/simarine-battery-shunt-300a-2x-voltage-2x-resistan?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=c40871954\u0026amp;pr_rec_pid=8744672657557\u0026amp;pr_ref_pid=8744672690325\u0026amp;pr_seq=uniform\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eVoltage drop at 300 A\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e50 mV (typical)\u003c\/span\u003e\u003ca href=\"https:\/\/www.exotronic.com.au\/products\/simarine-battery-shunt-300a-2x-voltage-2x-resistan?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=c40871954\u0026amp;pr_rec_pid=8744672657557\u0026amp;pr_ref_pid=8744672690325\u0026amp;pr_seq=uniform\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePower consumption at 12 V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e0.8 mA (operational)\u003c\/span\u003e\u003ca href=\"https:\/\/www.svb24.com\/en\/simarine-sc303-measuring-shunt-300-a.html?filter=newest\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eTemperature sensor (NTC 10k) range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e-15 … +80 °C\u003c\/span\u003e\u003ca href=\"https:\/\/offgriddirect.com.au\/products\/battery-shunt-300a-2-x-volt-2-x-resist-1-x-temp-si-sc303?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=e1673a980\u0026amp;pr_rec_pid=7714295906525\u0026amp;pr_ref_pid=7714296234205\u0026amp;pr_seq=uniform\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eAmbient temperature range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e-20 … +70 °C\u003c\/span\u003e\u003ca href=\"https:\/\/www.svb24.com\/en\/simarine-sc303-measuring-shunt-300-a.html?filter=newest\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDimensions (L × W × H)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e125 × 70 × 22 mm (excluding cover)\u003c\/span\u003e\u003ca href=\"https:\/\/simarine.net\/combo-shunts-sc303-and-sc503\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eapprox. 0.2 kg (not including cables)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBattery connection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003eM10 bolts (for heavy-duty cable lugs)\u003c\/span\u003e\u003ca href=\"https:\/\/www.exotronic.com.au\/products\/simarine-battery-shunt-300a-2x-voltage-2x-resistan?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=c40871954\u0026amp;pr_rec_pid=8744672657557\u0026amp;pr_ref_pid=8744672690325\u0026amp;pr_seq=uniform\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCable connections\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eScrew terminals for voltage\/resistance sensors, RJ9 sockets for communication\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eTo view battery data (state of charge, current, voltage, temperature) you need a compatible display or monitoring system, such as the Simarine PICO or PICO One battery monitor. When operated without a display, the SC303 can still be used as a stand‑alone measurement module (e.g. for tank level or additional voltage monitoring). The PICO display is sold separately. For accurate state‑of‑charge (SOC) calculation, the shunt must be correctly configured for the battery type (LiFePO₄, AGM, gel, lead‑acid) and capacity in the PICO settings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SIMARINE","offers":[{"title":"Default Title","offer_id":53824231702855,"sku":"80282","price":105.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/9112\/6599\/files\/simarine-sc303-measuring-shunt-300-a.jpg?v=1777557507","url":"https:\/\/kempvilashop.com\/products\/shunt-sc303-300a-for-lifepo4-batteries-inverters","provider":"Kempvila","version":"1.0","type":"link"}