{"product_id":"lnex-500a-shunt-battery-monitor-2-4-color-screen-16ft-shielded-cable-programmable-alarms-for-8-100v-systems","title":"LNEX 500A Shunt Battery Monitor — 2.4\" Color Screen, 16ft Shielded Cable, Programmable Alarms for 8–100V Systems","description":"\u003cp\u003e\u003cstrong\u003eLNEX 500A Shunt Battery Monitor is a compact, accurate battery meter with a 2.4\" color display and 16 ft shielded cable for real‑time monitoring of 8–100V battery systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for RVs, boats, golf carts and off‑grid setups, the LNEX 500A combines a high‑precision external shunt with a clear backlit color screen so you can watch voltage, current, state of charge and alarm thresholds at a glance. It stores the most recent measurements if power is lost, supports multiple battery chemistries including LiFePO4 and lead‑acid, and offers programmable high\/low voltage alarms to help prevent over‑discharge.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the LNEX 500A improve monitoring accuracy?\u003c\/h3\u003e\n\u003cp\u003eThe monitor uses an upgraded high‑precision current detector coupled with a dedicated 500A shunt to measure current and voltage with reduced error. The external shunt separates the heavy current path from the display electronics, which minimizes heating and measurement drift.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh‑precision current detector for tighter measurement tolerance\u003c\/li\u003e\n  \u003cli\u003eExternal 500A shunt isolates high current from display circuitry\u003c\/li\u003e\n  \u003cli\u003eAutomatic storage of latest data on shutdown to prevent data loss\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat information does the 2.4\" color screen show and how easy is it to read?\u003c\/h3\u003e\n\u003cp\u003eThe bright, backlit 2.4\" color LCD displays voltage, current, power direction, and remaining capacity using a simple, menu‑driven interface. Adjustable brightness keeps the readout comfortable day or night while conserving battery power when needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClear numeric readouts for voltage and current\u003c\/li\u003e\n  \u003cli\u003eState‑of‑charge and capacity indicators at a glance\u003c\/li\u003e\n  \u003cli\u003eBrightness control for day\/night visibility and power saving\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I set alarms and will they protect my battery?\u003c\/h3\u003e\n\u003cp\u003eThe LNEX 500A includes programmable high and low voltage alarms that trigger an audible\/visual alert and flash the backlight to catch your attention. These alarms help you respond before the battery reaches damaging voltage levels, supporting longer battery life without promising specific lifespan gains.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProgrammable low and high voltage thresholds\u003c\/li\u003e\n  \u003cli\u003eAudible alarm plus flashing backlight for immediate notification\u003c\/li\u003e\n  \u003cli\u003eWorks with multiple battery chemistries to match correct voltage limits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is installation and what battery types are supported?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward with the included transparent shunt holder that marks positive and negative terminals, and a 16 ft shielded cable to place the display away from the battery bank. The monitor supports 8–100V systems and common chemistries, making it versatile for many vehicles and off‑grid systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTransparent shunt holder with clear polarity markings for easier mounting\u003c\/li\u003e\n  \u003cli\u003e16 ft (approx.) shielded cable lets you place the display at the helm or cockpit\u003c\/li\u003e\n  \u003cli\u003eCompatible with Lead‑Acid, LiFePO4, Lithium‑ion, sealed, gel and flooded batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The LNEX 500A is aimed at RV owners, boaters, vanlifers and anyone running 8–100V battery banks who want a reliable, easy‑to‑read monitor with alarm protection and data retention. It suits users who need precise current measurement for charging and load management, installers who appreciate clear shunt labeling and long shielded wiring, and owners of LiFePO4 or lead‑acid systems seeking better visibility into their battery state without complex setup.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What voltage and current ranges does the LNEX 500A support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It monitors 8–100V systems and uses a 500A external shunt for current measurement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the monitor work with LiFePO4 batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it supports LiFePO4, lithium‑ion, sealed, gel and flooded lead‑acid batteries.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LNEX","offers":[{"title":"Default Title","offer_id":48081550246046,"sku":"B0BC4Q3P26","price":109.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/lnex-500a-front-display.jpg?v=1785807851","url":"https:\/\/northtrailauto.ca\/products\/lnex-500a-shunt-battery-monitor-2-4-color-screen-16ft-shielded-cable-programmable-alarms-for-8-100v-systems","provider":"North Trail Auto","version":"1.0","type":"link"}