{"product_id":"vault-power-element-11-na-18hp-18ah-high-discharge-sodium-ion-battery","title":"Vault Power Element 11 NA-18HP 18Ah High-Discharge Sodium-Ion Battery","description":"\u003csection class=\"sms-vault-model-links\"\u003e\u003cp\u003e\u003cstrong\u003eWhy this model:\u003c\/strong\u003e A 3-inch-wide case with the manufacturer's 30C cell rating makes the NA-18HP a different choice from the \u003ca href=\"\/products\/vault-power-element-11-na-20-20ah-sodium-ion-battery\"\u003eNA-20\u003c\/a\u003e and \u003ca href=\"\/products\/vault-power-element-11-na-30-30ah-sodium-ion-battery-harley-fit\"\u003eNA-30\u003c\/a\u003e. Do not decide from Ah or wattage alone; check width, secure mounting and accepted charge current.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/vault-power-battery-comparison-guide#vault-comparison\"\u003eCompare Vault model specifications\u003c\/a\u003e · \u003ca href=\"\/pages\/contact-info\"\u003eAsk SMS about fit or availability\u003c\/a\u003e\u003c\/p\u003e\u003c\/section\u003e\u003cp\u003e\u003cstrong\u003eCompact packaging. High-discharge sodium-ion performance.\u003c\/strong\u003e The Vault Power Element 11 \u003cstrong\u003eNA-18HP\u003c\/strong\u003e is a 12V, 18Ah sodium-ion battery with a higher-discharge 30C cell rating. It is aimed at space-constrained electrical upgrades where physical fit and current delivery matter as much as amp-hour capacity.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: NA-18HP • Element 11\u003c\/li\u003e\n\u003cli\u003eChemistry: sodium-ion • nominal voltage: 12V\u003c\/li\u003e\n\u003cli\u003eCapacity: 18Ah • 216Wh nominal energy\u003c\/li\u003e\n\u003cli\u003eManufacturer vehicle-audio rating: up to 5,500W (application guidance, not a continuous-output guarantee)\u003c\/li\u003e\n\u003cli\u003eHigher-discharge cell rating: 30C (manufacturer supplied)\u003c\/li\u003e\n\u003cli\u003ePublished charge rating: 72A • discharge rating: 270A\u003c\/li\u003e\n\u003cli\u003eMaximum voltage marking: 15.8V\u003c\/li\u003e\n\u003cli\u003eDimensions (L × W × H): 7.13 × 3 × 6.69 in\u003c\/li\u003e\n\u003cli\u003eWeight: 6.6 lb\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFit and installation\u003c\/h3\u003e\u003cp\u003eThe narrow 3-inch footprint can help where a conventional battery case will not fit. Confirm available mounting clearance, terminal arrangement, polarity, fuse protection, the charging profile and vehicle electrical demand before purchase. The 5,500W figure is Vault Power's system application rating—not an assertion of continuous discharge at that output. Battery capacity is not a substitute for adequate alternator or stator output.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAvailable through SMS Car Audio, Marrero, Louisiana.\u003c\/strong\u003e Contact us to match the battery to the charging system, amplifier load and required mounting configuration.\u003c\/p\u003e","brand":"Vault Power","offers":[{"title":"Default Title","offer_id":67785916252393,"sku":"VAULT-NA-18HP","price":599.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/sms-vault-power-na18hp-real-product-reference_20e7bf78-6787-4210-b82b-64d3a62837f2.png?v=1793120805","url":"https:\/\/smscaraudio.com\/products\/vault-power-element-11-na-18hp-18ah-high-discharge-sodium-ion-battery","provider":"SMS Car Audio","version":"1.0","type":"link"}