{"product_id":"letoom-12v-1-2ah-auxiliary-battery-for-mercedes-benz-oe-n0000004039-sealed-sla-maintenance-free","title":"letoom 12V 1.2Ah Auxiliary Battery for Mercedes‑Benz (OE N0000004039) — Sealed SLA, Maintenance‑Free","description":"\u003cp\u003e\u003cstrong\u003eletoom 12V 1.2Ah auxiliary battery replaces Mercedes‑Benz OE N0000004039 for 2007–2023 models and provides sealed lead‑acid power for vehicle auxiliary systems (not a starter battery).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, maintenance‑free 12V 1.2Ah battery is designed to serve Mercedes‑Benz auxiliary power needs across many 2007–2023 models that originally used OE N0000004039. It’s a sealed lead‑acid (SLA) unit intended for electronics, memory retention, and low‑current accessories rather than engine starting. The battery ships as a single quantity with no core charge required.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Mercedes‑Benz models will this letoom battery fit?\u003c\/h3\u003e\n\n\u003cp\u003eThis battery matches applications that specify OE part number N0000004039; many Mercedes models from 2007 through 2023 use that auxiliary battery form factor. Always confirm vehicle requirements against your owner’s manual or the OEM part number before buying to ensure compatibility.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDesigned to replace OE N0000004039 auxiliary battery\u003c\/li\u003e\n  \u003cli\u003eCompatible with Mercedes‑Benz vehicles listed for 2007–2023 auxiliary battery use\u003c\/li\u003e\n  \u003cli\u003eCompact dimensions fit OEM auxiliary battery trays and brackets\u003c\/li\u003e\n  \u003cli\u003eCheck vehicle manual or VIN parts lookup for exact fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use and install this letoom auxiliary battery?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation follows standard auxiliary battery replacement steps: disconnect negative first, remove the old battery, secure the replacement, then reconnect positive last. Because this is a sealed lead‑acid unit, it arrives ready for use and needs no water topping or regular maintenance.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDisconnect vehicle main battery negative terminal before work\u003c\/li\u003e\n  \u003cli\u003eRemove and replace the original auxiliary battery following OEM guidance\u003c\/li\u003e\n  \u003cli\u003eTorque connections to manufacturer specifications to avoid electrical issues\u003c\/li\u003e\n  \u003cli\u003eSealed design means no electrolyte maintenance required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and safety characteristics does the letoom SLA battery offer?\u003c\/h3\u003e\n\n\u003cp\u003eThe letoom 12V 1.2Ah is a sealed lead‑acid battery built for reliable low‑current duty cycles, such as retaining vehicle settings, powering sensors, and running auxiliary electronics. It is not intended as a starter battery and should not be used to crank engines. The sealed construction minimizes leakage and reduces installation orientation constraints.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e12 volts, 1.2 ampere‑hours rated capacity for auxiliary systems\u003c\/li\u003e\n  \u003cli\u003eSealed lead‑acid chemistry for spill‑resistant, maintenance‑free operation\u003c\/li\u003e\n  \u003cli\u003eNot suitable for engine starting or high‑current cranking\u003c\/li\u003e\n  \u003cli\u003eSingle item shipped with no core charge required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will the letoom auxiliary battery last and how do I store it?\u003c\/h3\u003e\n\n\u003cp\u003eService life depends on vehicle usage patterns, discharge depth, and charging system health; typical SLA auxiliary batteries last several years under normal conditions. For storage, keep the battery in a cool, dry place and recharge it periodically to avoid deep discharge, which shortens service life.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eExpected multi‑year service under typical auxiliary loads\u003c\/li\u003e\n  \u003cli\u003eAvoid prolonged deep discharge to maximize lifespan\u003c\/li\u003e\n  \u003cli\u003eStore in cool, dry environment and maintain a partial charge\u003c\/li\u003e\n  \u003cli\u003eFollow disposal and recycling rules for lead‑acid batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The letoom 12V 1.2Ah auxiliary battery is for Mercedes‑Benz owners, independent mechanics, and fleet managers who need a direct replacement for OE N0000004039. Choose this sealed lead‑acid unit if your vehicle requires a compact, maintenance‑free auxiliary battery for electronics, memory retention, or low‑current accessories and you understand it is not a starter battery.\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: Is this letoom battery a starter battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This 12V 1.2Ah letoom battery is a sealed auxiliary battery for low‑current electronics, not for engine starting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this battery require maintenance or a core charge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No maintenance is needed for the sealed lead‑acid design, and the unit ships as a single quantity with no core charge required.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"letoom","offers":[{"title":"Default Title","offer_id":48083028050078,"sku":"B0F29DR9X7","price":64.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/letoom-front-packaging-auxiliary-battery.jpg?v=1785823053","url":"https:\/\/northtrailauto.ca\/products\/letoom-12v-1-2ah-auxiliary-battery-for-mercedes-benz-oe-n0000004039-sealed-sla-maintenance-free","provider":"North Trail Auto","version":"1.0","type":"link"}