{"product_id":"nacecare-nx1k-lfp-lithium-battery-911948","title":"NaceCare NX1K LFP Lithium Iron Phosphate Battery (911948) for NX1K Floor Scrubbers","description":"\u003ch2 class=\"product-header-text\"\u003eThe NaceCare NX1K Lithium Iron Phosphate Battery: One Battery for Every NX1K Floor Scrubber\u003c\/h2\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"description-text\"\u003e\n\u003cdiv style=\"align-items: flex-start;\" class=\"container\"\u003e\n\u003cdiv class=\"column\" style=\"text-align: left;\"\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eNX1K (part 911948)\u003c\/strong\u003e is the battery inside NaceCare's NX1K floor scrubbers, from the 20-inch TBL 1120 walk-behind to the TVL 850 ride-on. It's a sealed \u003cstrong\u003e25.6 V, 50 Ah lithium iron phosphate (LFP)\u003c\/strong\u003e pack holding 1,280 Wh, and it weighs about 22 lbs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNaceCare rates it for \u003cstrong\u003emore than 4,000 charge cycles\u003c\/strong\u003e, which it puts at roughly 15 years of cleaning five days a week. There's no watering, no acid and no equalizing, and you can charge it whenever there's a break, whether it's nearly empty or half full. That's what makes a lunch-break top-up on a long route practical.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMost owners buy one for two reasons: to replace a battery on a machine they already run, or to add runtime. On the TBL 1120, the two-battery TBL 1120\/100 costs \u003cspan data-ouc-diff=\"v68009039888688,v68009039855920\"\u003e$1,500\u003c\/span\u003e more than the one-battery \/50, which is the price of this battery, and doubles the runtime from 2 hours to 4.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"column\" style=\"text-align: left; padding-top: 0.5%;\"\u003e\n\u003cnoscript class=\"loading-lazy\"\u003e\n\u003cimg class=\"center-pic\" style=\"max-height: 450px; max-width: 100%; height: auto; border-radius: 1rem; box-shadow: 0 0 7px #777;\" loading=\"lazy\" alt=\"NaceCare NX1K lithium iron phosphate battery 911948, gray case with red Numatic label and carry handle\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0862\/0883\/9984\/files\/nacecare-nx1k-lfp-battery-911948-front.webp?v=1791838398\"\u003e\n\u003c\/noscript\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr style=\"width: 70%; border-top: 2px solid #ccc; margin: 20px auto; text-align: center;\"\u003e\n\u003ch3 class=\"product-header-text\"\u003e\u003cspan\u003eWhich Floor Scrubbers Use the NX1K Battery?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEvery machine below runs on the same 911948 battery; the number in brackets is how many it holds. Click a model to see its page.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"align-items: flex-start;\" class=\"container\"\u003e\n\u003cdiv class=\"column\" style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan\u003e\u003ca href=\"\/products\/nacecare-tbl-1120-cordless-walk-behind-floor-scrubber\"\u003eTBL 1120\/50 and TBL 1120\/100: 20\" Cordless Walk-Behind Scrubber\u003c\/a\u003e (1 or 2)\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan\u003e\u003ca href=\"\/products\/nacecare-tbl-1620t-traction-walk-behind-floor-scrubber\"\u003eTBL 1620\/50T and TBL 1620\/100T: 20\" Traction Walk-Behind Scrubber\u003c\/a\u003e (1 or 2)\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan\u003e\u003ca href=\"\/products\/nacecare-tbl-2228t-28-inch-traction-walk-behind-floor-scrubber\"\u003eTBL 2228\/100T and TBL 2228\/150T: 28\" Traction Walk-Behind Scrubber\u003c\/a\u003e (2 or 3)\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan\u003e\u003ca href=\"\/products\/nacecare-crl-2128-compact-ride-on-floor-scrubber\"\u003eCRL 2128\/50T and CRL 2128\/100T: 28\" Compact Ride-On Scrubber\u003c\/a\u003e (1 or 2)\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan\u003e\u003ca href=\"\/products\/nacecare-tvl-850-ride-on-floor-scrubber\"\u003eTVL 850\/150T to TVL 850\/300T: 26\" to 34\" Ride-On Scrubber\u003c\/a\u003e (3 to 6)\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eNot sure which battery your machine takes? Send us the model or serial number, or call (855) 601-5678, and we'll confirm before you order.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"column\" style=\"text-align: left; padding-top: 2%;\"\u003e\n\u003cnoscript class=\"loading-lazy\"\u003e\n\u003cimg class=\"center-pic\" style=\"max-height: 420px; max-width: 100%; height: auto; border-radius: 1rem;\" loading=\"lazy\" alt=\"Two NX1K batteries installed in the battery bay of a NaceCare TBL 1120 floor scrubber\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0862\/0883\/9984\/files\/nacecare-nx1k-lfp-battery-911948-installed-in-tbl-1120.webp?v=1791838397\"\u003e\n\u003c\/noscript\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr style=\"width: 70%; border-top: 2px solid #ccc; margin: 20px auto; text-align: center;\"\u003e\n\u003ch3 class=\"product-header-text\"\u003e\u003cspan\u003eNX1K vs Lead Acid and the NX300: How the Floor Scrubber Batteries Compare\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv style=\"align-items: flex-start;\" class=\"container\"\u003e\n\u003cdiv class=\"column\" style=\"text-align: left;\"\u003e\n\u003cp\u003e\u003cspan\u003eThese are NaceCare's own figures from its 2026 Hard Floor Care brochure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBattery\u003c\/th\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003eCharge Cycles\u003c\/th\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWet lead acid\u003c\/td\u003e\n\u003ctd\u003e24 V\u003c\/td\u003e\n\u003ctd\u003e70 lbs\u003c\/td\u003e\n\u003ctd\u003e300 to 700\u003c\/td\u003e\n\u003ctd\u003e1 year max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNX300 lithium-ion\u003c\/td\u003e\n\u003ctd\u003e36 V\u003c\/td\u003e\n\u003ctd\u003e5 lbs\u003c\/td\u003e\n\u003ctd\u003e2,500+\u003c\/td\u003e\n\u003ctd\u003e4 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNX1K lithium iron phosphate\u003c\/td\u003e\n\u003ctd\u003e25.6 V\u003c\/td\u003e\n\u003ctd\u003e22 lbs\u003c\/td\u003e\n\u003ctd\u003e4,000+\u003c\/td\u003e\n\u003ctd\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eThe NX1K and the \u003ca href=\"\/products\/nacecare-nx300-lithium-battery-for-all-nx-machines\"\u003eNX300\u003c\/a\u003e are not interchangeable. The NX300 is a small 36 V pack for NaceCare's NX vacuums and compact scrubbers like the \u003ca href=\"\/products\/nacecare-tgb-817nx-battery-walk-behind-floor-scrubber\"\u003eTGB 817NX\u003c\/a\u003e, while the NX1K is a 25.6 V pack for the larger NX1K machines. Charge the NX1K only with the Numatic charger built into your machine. Numatic warns that a different charger can damage the battery or start a fire, and it voids the warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"column\" style=\"text-align: left; padding-top: 2%;\"\u003e\n\u003cdiv class=\"iframe-container\"\u003e\n\u003cnoscript class=\"loading-lazy\"\u003e\n\u003ciframe class=\"product-video\" style=\"border-radius: 0.7rem;\" loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/uAlCH471eV8\" title=\"The science behind NaceCare NX1K lithium phosphate technology\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share; modestbranding\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\n\u003c\/noscript\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cnoscript class=\"loading-lazy\"\u003e\n\u003cimg class=\"center-pic\" style=\"max-height: 420px; max-width: 100%; height: auto; border-radius: 1rem;\" loading=\"lazy\" alt=\"Cutaway of the NaceCare NX1K battery showing the blue lithium iron phosphate cells inside the case\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0862\/0883\/9984\/files\/nacecare-nx1k-lfp-battery-911948-cell-cutaway.webp?v=1791838397\"\u003e\n\u003c\/noscript\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr style=\"width: 70%; border-top: 2px solid #ccc; margin: 20px auto; text-align: center;\"\u003e\n\u003ch3 class=\"product-header-text\"\u003e\u003cspan\u003eWhy You Should Consider a NaceCare Battery\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe NX1K is built for Numatic's own machines, and NaceCare backs it with a 5-year warranty under its 2025 US warranty chart. To start a claim, NaceCare needs a clear photo of the battery's serial number, so snap one when it arrives. We're an authorized NaceCare retailer, and found a lower price? Call or message us and we'll beat it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr style=\"width: 70%; border-top: 2px solid #ccc; margin: 20px auto; text-align: center;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"container\" style=\"align-items: flex-start;\"\u003e\n\u003cdiv class=\"column\" style=\"text-align: left;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\u003cth align=\"center\" colspan=\"2\"\u003eSpecifications: NaceCare NX1K LFP Battery\u003c\/th\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eNaceCare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNumatic International\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e911948 (LFP Battery Assembly NX1K)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemistry\u003c\/td\u003e\n\u003ctd\u003eLithium iron phosphate (LFP), sealed, maintenance free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e25.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e50 Ah (1,280 Wh)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e22 lbs (NaceCare); Numatic lists 10.7 kg (23.6 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L x W x H)\u003c\/td\u003e\n\u003ctd\u003e12.4 in x 5.2 in x 7.3 in (315 x 132 x 185 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge Cycles\u003c\/td\u003e\n\u003ctd\u003e4,000+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf Discharge\u003c\/td\u003e\n\u003ctd\u003eVery low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging\u003c\/td\u003e\n\u003ctd\u003eWith the Numatic on-board charger in NX1K machines only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging Temperature\u003c\/td\u003e\n\u003ctd\u003e41 to 95 F (5 to 35 C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003e59 to 77 F (15 to 25 C) ideal; fully charge every 6 months on the shelf\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Machines\u003c\/td\u003e\n\u003ctd\u003eTBL 1120\/50, TBL 1120\/100, TBL 1620\/50T, TBL 1620\/100T, TBL 2228\/100T, TBL 2228\/150T, CRL 2128\/50T, CRL 2128\/100T, TVL 850\/150T to \/300T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot Compatible With\u003c\/td\u003e\n\u003ctd\u003eNX300 machines (NX vacuums, 220NX, 440NX, TGB 516NX, TGB 817NX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"column\" style=\"text-align: left;\"\u003e\n\u003ch3 style=\"text-align: center;\"\u003eDownloads\u003c\/h3\u003e\n\u003cdiv class=\"documents\"\u003e\n\u003cdiv class=\"doc\"\u003e\u003ca class=\"doc-pdf\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0862\/0883\/9984\/files\/nacecare-nx1k-lfp-battery-brochure-excerpt.pdf?v=1791838282\" download=\"\" target=\"_blank\"\u003eNaceCare Hard Floor Care \u003cstrong\u003eBrochure\u003c\/strong\u003e, NX1K battery page (PDF, 1.7 MB)\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"doc\"\u003e\u003ca class=\"doc-pdf\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0862\/0883\/9984\/files\/nacecare-nx1k-lfp-battery-warranty-chart-2025.pdf?v=1791838282\" download=\"\" target=\"_blank\"\u003eNaceCare 2025 US \u003cstrong\u003eWarranty Chart\u003c\/strong\u003e (PDF, 2.6 MB)\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cnoscript class=\"loading-lazy\"\u003e\n\u003cimg class=\"center-pic\" style=\"max-height: 300px; max-width: 100%; height: auto; border-radius: 1rem; box-shadow: 0 0 7px #777;\" loading=\"lazy\" alt=\"Two NaceCare NX1K batteries side by side on a dark floor\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0862\/0883\/9984\/files\/nacecare-nx1k-lfp-battery-911948-pair.webp?v=1791838397\"\u003e\n\u003c\/noscript\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"NaceCare","offers":[{"title":"Default Title","offer_id":68009040511280,"sku":"NCS-911948","price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/0883\/9984\/files\/nacecare-nx1k-lfp-battery-911948-front.webp?v=1791838398","url":"https:\/\/oneupcleaning.com\/products\/nacecare-nx1k-lfp-lithium-battery-911948","provider":"OneUp Cleaning","version":"1.0","type":"link"}