{"title":"Server Rack Batteries","description":"\u003ch2\u003e48V Server Rack Lithium Batteries\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEpoch Batteries 48V 100Ah Server Rack Battery (SR48100H)\u003c\/strong\u003e is a \u003cstrong\u003eself-heating, stackable, rack-mount LiFePO4 battery\u003c\/strong\u003e built for solar energy storage, home backup, and small commercial off-grid installations. At 5.12kWh per unit and fully compatible with standard 19-inch server racks, it's the go-to solution for DIY solar arrays and battery bank expansions.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e48V 100Ah \/ 5.12kWh\u003c\/strong\u003e usable capacity, LiFePO4 chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-heating\u003c\/strong\u003e allows safe charging below freezing (typical shutdown on unheated lithium = problem for cold climate installs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStackable design\u003c\/strong\u003e — combine multiple units into 20kWh+ banks with parallel busbar connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVictron CANBUS integration\u003c\/strong\u003e — factory-level communication with Victron MultiPlus, MultiPlus-II, Quattro inverters and MPPT charge controllers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3U rack mount form factor\u003c\/strong\u003e fits standard 19-inch server racks and battery cabinets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL9540 pending\u003c\/strong\u003e — certification in progress for permitted residential installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated BMS\u003c\/strong\u003e with cell balancing, over-charge\/discharge protection, and short-circuit protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11-year manufacturer warranty\u003c\/strong\u003e — longest in the server rack battery category\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInverter Compatibility\u003c\/h2\u003e\n\u003cp\u003eVerified compatible with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVictron MultiPlus-II, Quattro, and MPPT charge controllers (CANBUS)\u003c\/li\u003e\n\u003cli\u003eEG4 6000XP, 12000XP, 18000XP split-phase inverters\u003c\/li\u003e\n\u003cli\u003eSol-Ark 8K\/12K\/15K hybrid inverters\u003c\/li\u003e\n\u003cli\u003eGrowatt SPF \/ SPH series inverters\u003c\/li\u003e\n\u003cli\u003eSchneider Conext XW Pro\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUse Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrid-tied solar with backup\u003c\/strong\u003e — pair with hybrid inverter + 5-15kW PV array\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-grid cabin and RV installations\u003c\/strong\u003e — 10-20kWh of usable storage in a compact footprint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall commercial backup\u003c\/strong\u003e — 4-8 units in parallel for critical-load UPS replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEV charging battery buffer\u003c\/strong\u003e — pre-load solar into batteries, discharge to Level 2 EV chargers during peak demand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eShipping, Installation \u0026amp; Warranty\u003c\/h2\u003e\n\u003cp\u003eShips free on orders over $299 via LTL freight in 5-10 business days. Requires standard 19-inch rack or battery cabinet. Backed by Epoch's 11-year manufacturer warranty with 100% US-based support at 1-888-501-1846 (Mon-Fri 9AM-4PM EDT). Urban Supply coordinates warranty claims directly with Epoch — no paperwork.\u003c\/p\u003e","products":[{"product_id":"epoch-batteries-48v-100ah-lithium-server-ul9540","title":"Epoch Batteries 48V 100Ah (5.12kWh) - Self-Heating Server Rack Lithium Battery","description":"\u003cp\u003eThe Epoch Batteries 48V 100Ah (5.12kWh) - Self-Heating Server Rack Lithium Battery is a premium LiFePO4 lithium battery designed in the USA and backed by Epoch's industry-leading 11-year warranty. Built for homeowners, RV owners, marine users, and off-grid applications, it delivers thousands of deep-cycle uses, safe lithium iron phosphate chemistry, and a maintenance-free lifespan that typically outlasts three to four lead-acid replacements.\u003c\/p\u003e\u003ch2\u003eWhy Buy This Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDrop-in lithium replacement for 12V\/24V\/36V\/48V lead-acid battery banks\u003c\/li\u003e\n\u003cli\u003eSafe LiFePO4 chemistry with built-in BMS protection (over-charge, over-discharge, short-circuit, over-temperature)\u003c\/li\u003e\n\u003cli\u003eInternal self-heating allows charging in sub-zero conditions without damage\u003c\/li\u003e\n\u003cli\u003eVictron CANBUS integration — communicates directly with Victron inverters, chargers, and MPPT controllers\u003c\/li\u003e\n\u003cli\u003eBacked by Epoch's 11-year warranty and 100% US-based support team (Atlanta, GA)\u003c\/li\u003e\n\u003cli\u003eShips free on orders over $299 from Urban Supply\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eALL WIRING IS INCLUDED\u003c\/li\u003e\n\u003cli\u003eLiFePO4 Chemistry\u003c\/li\u003e\n\u003cli\u003e100Ah Capacity - 5120kWh\u003c\/li\u003e\n\u003cli\u003eSELF-HEATING - Charge as low as -25°C\u003c\/li\u003e\n\u003cli\u003e100A Max Continuous Discharge (119A 5mins Discharge) (200A 15sec Peak Discharge)\u003c\/li\u003e\n\u003cli\u003eCAN\/RS485 Communication\u003c\/li\u003e\n\u003cli\u003eCompatible INVERTER list - Victron\/Sol-Ark\/Solis\/Growatt\/Studer\/Goodwe\/Sunsynk\/Voltronic\/ALPHA-OUTBACK\/Deye\/Sofar\/SMA\u003c\/li\u003e\n\u003cli\u003eLUXPOWER\/Schneider\/TBB\/MPP\/SAJ\/MEGAREVO\u003c\/li\u003e\n\u003cli\u003eMax 32 in parallel, Plug \u0026amp; Play\u003c\/li\u003e\n\u003cli\u003e6000+ Cycle life \u0026amp; Maintenance-free\u003c\/li\u003e\n\u003cli\u003e11 Year Manufacturer Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e100Ah Capacity - 5120kWh\u003c\/li\u003e\n\u003cli\u003eSELF-HEATING - Charge as low as -25°C\u003c\/li\u003e\n\u003cli\u003e100A Max Continuous Discharge (119A 5mins Discharge) (200A 15sec Peak Discharge)\u003c\/li\u003e\n\u003cli\u003eMax 32 in parallel, Plug \u0026amp; Play\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eShipping\u003c\/h2\u003e\u003cp\u003eShips free on orders over $299. Smaller batteries ship via UPS\/FedEx Ground in 3-5 business days. Larger batteries and golf cart kits ship via LTL freight in 5-10 business days. Tracking is provided at dispatch.\u003c\/p\u003e\u003ch2\u003e11-Year Warranty \u0026amp; US-Based Support\u003c\/h2\u003e\u003cp\u003eEvery Epoch Batteries product is backed by an 11-year manufacturer warranty and 100% US-based support out of Atlanta, GA. Urban Supply coordinates warranty claims directly with Epoch on your behalf. Email support@urbansupplyinc.com or call Epoch's support team at 1-888-501-1846 (Mon-Fri 9AM-4PM EDT) for technical assistance.\u003c\/p\u003e","brand":"Epoch Batteries","offers":[{"title":"Default Title","offer_id":47749349703845,"sku":"SR48100H","price":1499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0454\/1916\/7909\/files\/763EC6B7-966D-4662-AC82-409EC7C71EEC.png?v=1776904497"},{"product_id":"sok-sk48v100n-48v-100ah-lifepo4-battery","title":"SOK SK48V100N 48V 100Ah LiFePO4 Battery Server Rack — 3U, OTA Upgrade, 30+ Inverter Brands","description":"\u003cp\u003eThe SOK SK48V100N delivers genuine LiFePO4 chemistry, 100Ah of usable capacity, and the engineering trust signals that matter for residential solar storage, backup power, off-grid homes, and small commercial energy systems. Built around a server rack 3u (metal) for durable indoor + protected outdoor use, paired with a built-in self-heating pad for charging in temperatures down to -4°F, Bluetooth BMS monitoring, and a 10-year limited warranty. Bluetooth OTA firmware upgrades plus app-based inverter protocol selection means a single battery works with 30+ inverter brands including Victron, EG4, Sol-Ark, Schneider, Outback, and Magnum.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e5.12 kWh in 3U server-rack form (smallest on the market)\u003c\/li\u003e\n\u003cli\u003eBluetooth OTA firmware upgrades\u003c\/li\u003e\n\u003cli\u003eApp-based inverter protocol selection (compatible with Victron, EG4, Sol-Ark, Schneider, Outback, Magnum + 25 more)\u003c\/li\u003e\n\u003cli\u003eRS485 + CANBus communication\u003c\/li\u003e\n\u003cli\u003e100W built-in self-heater pad\u003c\/li\u003e\n\u003cli\u003ePre-charge circuit (100,000µF) prevents BMS damage\u003c\/li\u003e\n\u003cli\u003e10-year warranty + 20-year typical lifespan\u003c\/li\u003e\n\u003cli\u003e6000+ cycles @ 80% DoD\u003c\/li\u003e\n\u003cli\u003eProprietary multi-direction terminals for flexible wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBattery Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eChemistry\u003c\/th\u003e\n\u003ctd\u003eLiFePO4 (Lithium Iron Phosphate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Voltage\u003c\/th\u003e\n\u003ctd\u003e48V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003ctd\u003e100Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnergy\u003c\/th\u003e\n\u003ctd\u003e5120 Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCycle Life @ 80% DoD\u003c\/th\u003e\n\u003ctd\u003e6000+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Charge Current\u003c\/th\u003e\n\u003ctd\u003e50A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Charge Current\u003c\/th\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Charge Voltage\u003c\/th\u003e\n\u003ctd\u003e56.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Continuous Discharge\u003c\/th\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeak Discharge Current\u003c\/th\u003e\n\u003ctd\u003e200A (5s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLow-Voltage Disconnect (BMS cutoff)\u003c\/th\u003e\n\u003ctd\u003e42.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBMS Protection\u003c\/th\u003e\n\u003ctd\u003eOvercharge, over-discharge, over-current, short-circuit, over-temp, low-temp charge cutoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePhysical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (L × W × H)\u003c\/th\u003e\n\u003ctd\u003e17.4 x 17.7 x 5.2 (3U) inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e110 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminal Type\u003c\/th\u003e\n\u003ctd\u003eProprietary (multi-direction)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCase Material\u003c\/th\u003e\n\u003ctd\u003eServer Rack 3U (Metal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIngress Protection\u003c\/th\u003e\n\u003ctd\u003eIP20 (indoor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDischarge Temperature\u003c\/th\u003e\n\u003ctd\u003e-4 to 140 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCharge Temperature\u003c\/th\u003e\n\u003ctd\u003e32 to 113 °F (heater pad enabled below 32°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage Temperature\u003c\/th\u003e\n\u003ctd\u003e23 to 95 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eInverter Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe SOK SK48V100N uses Bluetooth-based protocol selection in the SOK app to communicate with 30+ mainstream inverter brands, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/victron-energy\"\u003eVictron MultiPlus-II, Quattro, EasySolar (RS485 + CANBus)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eEG4 (6000XP, 18000XP series)\u003c\/li\u003e\n\u003cli\u003eSol-Ark (12K, 15K series)\u003c\/li\u003e\n\u003cli\u003eSchneider Electric (XW Pro, Conext)\u003c\/li\u003e\n\u003cli\u003eOutback Power (Radian, FX\/FXR series)\u003c\/li\u003e\n\u003cli\u003eMagnum Energy (MS-PAE, MS-PE series)\u003c\/li\u003e\n\u003cli\u003eGrowatt, Deye, Pylontech-protocol, Goodwe, and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSwitch protocols on-site via the SOK Bluetooth app — no firmware reflash required. Bluetooth OTA firmware updates ensure new inverter protocols can be added remotely as they're certified.\u003c\/p\u003e\n\u003ch2\u003eSmart Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBluetooth BMS:\u003c\/strong\u003e Pair with the SOK app (iOS + Android) for real-time monitoring of cell voltages, state of charge, current, temperature, and cycle count.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBluetooth OTA firmware upgrades:\u003c\/strong\u003e The SOK app pushes firmware updates over Bluetooth — no cables, no SD cards. New inverter protocols and BMS improvements arrive remotely.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSmart cell balancing:\u003c\/strong\u003e Active top-balance balancing keeps all cells within tight voltage tolerance throughout the charge cycle, extending overall pack lifespan and capacity.\u003c\/p\u003e\n\u003ch2\u003eSelf-Heating Specs\u003c\/h2\u003e\n\u003cp\u003eThe built-in heater pad activates automatically when the cell temperature drops below the safe charging threshold (32°F \/ 0°C). Power for the heater is drawn from the charger or solar input — not from the battery cells — so cold-weather charging does not drain stored capacity. The battery can safely accept charge at ambient temperatures down to -4°F (-20°C).\u003c\/p\u003e\n\u003cp\u003eThe 100W heater pad on this server-rack battery rapidly warms the cell pack from cold storage temperatures.\u003c\/p\u003e\n\u003ch2\u003eParallel \u0026amp; Series Configurations\u003c\/h2\u003e\n\u003cp\u003eConnect up to \u003cstrong\u003e16 SK48V100N units in parallel\u003c\/strong\u003e for larger capacity (1600Ah max parallel bank @ 48V). Series connections support up to \u003cstrong\u003e1 units in series\u003c\/strong\u003e for higher-voltage banks (48V max series). For mixed parallel+series banks, follow the SOK installation manual — all batteries must be at the same state-of-charge before initial series connection.\u003c\/p\u003e\n\u003ch2\u003eCertifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUL1973\u003c\/li\u003e\n\u003cli\u003eIEC62619\u003c\/li\u003e\n\u003cli\u003eMSDS\u003c\/li\u003e\n\u003cli\u003eUN38.3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-year limited warranty\u003c\/strong\u003e on parts and workmanship\u003c\/li\u003e\n\u003cli\u003eUp to 6000 charge cycles at 80% depth of discharge (typical service life)\u003c\/li\u003e\n\u003cli\u003eReplacement BMS and cells are available as user-serviceable parts (detachable cover design)\u003c\/li\u003e\n\u003cli\u003eWarranty registration through SOK Battery within 30 days of installation\u003c\/li\u003e\n\u003cli\u003eManufacturer warranty honored direct through SOK Energy Inc. (Ontario, CA warehouse)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho This Battery Is For\u003c\/h2\u003e\u003cp\u003eThe SOK SK48V100N is engineered for homeowners building residential solar storage, off-grid cabin operators, backup-power planners, and small commercial installers. Use it for residential solar storage, backup power, off-grid homes, and small commercial energy systems.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy From Urban Supply Inc\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthorized SOK Battery Dealer\u003c\/strong\u003e — direct manufacturer warranty, factory-fresh inventory shipped from California\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree US Shipping\u003c\/strong\u003e — 3–7 business day delivery from SOK's Ontario, CA warehouse via FedEx or UPS Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-ship fulfillment\u003c\/strong\u003e — ships direct from SOK Energy Inc. (no transit warehousing or handling delays)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0% APR financing available\u003c\/strong\u003e via Synchrony Bank — instant pre-approval at checkout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice match guarantee\u003c\/strong\u003e on any authorized US dealer's posted price\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-minute response time\u003c\/strong\u003e on every customer email, Mon–Fri 9am–9pm EST\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime US customer support\u003c\/strong\u003e — phone, email, and live chat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDelivery \u0026amp; Installation\u003c\/h2\u003e\n\u003cp\u003eFree standard FedEx\/UPS Ground shipping included in the price. Orders placed by 2 PM EST typically ship next business day from SOK's Ontario, CA warehouse with 3–7 day US delivery. You'll receive tracking the moment the carrier picks up. Note: this SKU is currently on pre-order with an expected ship date of June 19, 2026 — your order is reserved at MAP pricing and ships in the order received.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBattery safety disclaimer:\u003c\/strong\u003e LiFePO4 batteries should be installed and used in accordance with the manufacturer's manual. Improper installation, parallel\/series configuration, or charging may void warranty. Consult a licensed electrician for residential solar installations.\u003c\/p\u003e","brand":"SOK Battery","offers":[{"title":"Default Title","offer_id":47848953151653,"sku":"SK48V100N","price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0454\/1916\/7909\/files\/file_f5d2219f-aa6b-4311-9803-ab656a9a2475.jpg?v=1779458040"}],"url":"https:\/\/www.urbansupplyinc.com\/collections\/server-rack-batteries.oembed","provider":"Urban Supply Incorporated","version":"1.0","type":"link"}