{"product_id":"mk-battery-es17-12-12v-18ah-sealed-lead-acid-rechargeable-battery-vrla-maintenance-free-backup","title":"MK Battery ES17-12 12V 18Ah Sealed Lead-Acid Rechargeable Battery — VRLA, Maintenance-Free Backup","description":"\u003cp\u003e\u003cstrong\u003eThe MK Battery ES17-12 is a 12-volt, 18Ah sealed lead-acid rechargeable battery engineered for reliable, maintenance-free backup and deep-cycle use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt with VRLA (Valve Regulated Lead Acid) technology and produced under ISO 9001 and ISO 14001 quality systems, the ES17-12 delivers dependable run time and long cycle life for a wide range of standby and cyclic applications. Its sealed, non-spill design requires no watering or routine maintenance, and MK Battery’s UL-tested construction ensures safe, predictable performance in alarm systems, emergency lighting, mobility devices, small UPS units, and many other devices that need compact, service-free power.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the ES17-12 perform in backup power scenarios?\u003c\/h3\u003e\n\u003cp\u003eThe ES17-12 provides steady 12V output with an 18AH capacity rated at the 20-hour rate, making it well-suited for moderate-duration standby power tasks. It maintains voltage under typical discharge rates and can be used in series or parallel configurations where manufacturer guidelines allow.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCapacity: 18Ah at the 20-hour rate for predictable run time\u003c\/li\u003e\n  \u003cli\u003eSealed VRLA design prevents leaks and allows varied mounting positions\u003c\/li\u003e\n  \u003cli\u003eUL certified for safety in many standby applications\u003c\/li\u003e\n  \u003cli\u003eNut-and-bolt (NB) terminals for secure, low-resistance connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this battery in mobility or medical support equipment?\u003c\/h3\u003e\n\u003cp\u003eThe ES17-12 is commonly specified for mobility devices and home medical equipment where a sealed, maintenance-free battery is preferred. It offers the stable voltage and consistent capacity needed for lifts, scooters, and portable medical devices, but always confirm compatibility and regulatory requirements for medical devices before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSealed construction reduces risk of spills around sensitive electronics\u003c\/li\u003e\n  \u003cli\u003eReliable, repeatable cycle life for daily-use mobility products\u003c\/li\u003e\n  \u003cli\u003eCompact form factor that fits many OEM battery compartments\u003c\/li\u003e\n  \u003cli\u003eNB terminals provide a robust mechanical and electrical connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation or handling considerations should I know?\u003c\/h3\u003e\n\u003cp\u003eBecause the ES17-12 is sealed and maintenance-free, it requires minimal upkeep: avoid extreme temperatures, store charged, and use a compatible charger designed for sealed lead-acid batteries. The battery should be installed with correct polarity and secure terminal connections to prevent arcing or premature failure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDo not expose battery to temperatures outside manufacturer’s recommendations\u003c\/li\u003e\n  \u003cli\u003eUse a charger with proper float\/hold settings for VRLA batteries\u003c\/li\u003e\n  \u003cli\u003eSecure NB terminals with recommended torque and corrosion protection\u003c\/li\u003e\n  \u003cli\u003e*** Not available for shipment to California or Texas ***\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will this battery last and how do I get the best life from it?\u003c\/h3\u003e\n\u003cp\u003eService life depends on depth of discharge, temperature, and charging method; keeping the battery at moderate temperatures and avoiding deep discharges will extend cycle life. Regularly keeping the battery on a compatible float charger when in standby service helps prevent sulfation and preserves capacity over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAvoid repeated deep discharges to extend cycle life\u003c\/li\u003e\n  \u003cli\u003eStore charged and top up with a VRLA-compatible float charger\u003c\/li\u003e\n  \u003cli\u003eOperate within recommended temperature ranges for best longevity\u003c\/li\u003e\n  \u003cli\u003ePeriodic load testing confirms remaining capacity for critical systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The MK Battery ES17-12 is intended for installers, technicians, and end users who need a compact, sealed 12V battery with reliable 18Ah capacity for standby or moderate cyclic applications. It’s a practical choice for alarm panels, emergency lighting, UPS backups, mobility devices, small electric vehicles, and hobby or industrial gear where maintenance-free operation and proven VRLA construction are priorities. Confirm sizing and terminal type for your device before ordering and note restricted shipping to California and Texas.\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 the MK ES17-12 maintenance free?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The ES17-12 is a sealed VRLA battery that requires no watering or routine maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I ship this battery to California or Texas?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This product cannot be shipped to California or Texas as noted in the product listing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MK Battery","offers":[{"title":"Default Title","offer_id":67585092616377,"sku":"B00E4Q63H0","price":225.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/mk-battery-es17-12-front-label.jpg?v=1790467067","url":"https:\/\/redleafauto.ca\/products\/mk-battery-es17-12-12v-18ah-sealed-lead-acid-rechargeable-battery-vrla-maintenance-free-backup","provider":"Redleaf Auto","version":"1.0","type":"link"}