{"product_id":"51v-168ah-fleet-lithium-battery-nexgen-bms","title":"51V 168Ah Fleet Lithium Battery — NexGen BMS","description":"\u003ch4\u003e51V 168Ah Fleet Lithium Battery — NexGen BMS\u003c\/h4\u003e\n\u003cp\u003eDrop-in 51.2V LiFePO4 replacement for tired 48V lead-acid banks — extended-range edition. 8,601Wh of fade-free energy, half the weight of lead, and zero maintenance. Monitor state of charge, voltage, and cycle count via Bluetooth. Patent-pending fire suppression and a 300A NexGen BMS keep you running through every shift, round, and run.\u003c\/p\u003e\n\u003ch5\u003eWhat This Upgrade Fixes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eEliminates voltage sag and sluggish performance common in aging lead-acid setups\u003c\/li\u003e\n\u003cli\u003eCures range anxiety with consistent, fade-free power down to the last drop of capacity\u003c\/li\u003e\n\u003cli\u003eRemoves hundreds of pounds of dead weight, improving acceleration, handling, and braking\u003c\/li\u003e\n\u003cli\u003eEnds the hassle of terminal corrosion, acid leaks, and seasonal battery watering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat's Included\u003c\/h5\u003e\n\u003cp\u003e1× 51.2V 168Ah Fleet Lithium Battery. Standalone bare battery unit. A 58.4V lithium charger, custom wiring, and mounting brackets are not included — see our Bundle and Conversion Kit listings for complete drop-in packages.\u003c\/p\u003e\n\u003ch5\u003eCompatibility\u003c\/h5\u003e\n\u003cp\u003eUniversal 51.2V power unit engineered as a one-for-one replacement for 48V lead-acid battery banks. Extended-range capacity is ideal for lifted carts, LSVs, UTVs, deep-cycle marine applications, and off-grid solar banks running factory 48V controllers — no reprogramming required for most vehicles.\u003c\/p\u003e\n\u003ch5\u003eKey Specs\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eChemistry: LiFePO4\u003c\/li\u003e\n\u003cli\u003eNominal Voltage: 51.2V\u003c\/li\u003e\n\u003cli\u003eCapacity: 168Ah (8,601 Wh \/ 8.60 kWh)\u003c\/li\u003e\n\u003cli\u003eCell Configuration: 16S1P\u003c\/li\u003e\n\u003cli\u003eWorking Voltage: 43.2V – 58.4V\u003c\/li\u003e\n\u003cli\u003eCharging Voltage: 58.4V\u003c\/li\u003e\n\u003cli\u003eBMS Voltage Cutoff: 43.2V\u003c\/li\u003e\n\u003cli\u003eRecommended Low Voltage Disconnect: 49.0V\u003c\/li\u003e\n\u003cli\u003e300A NexGen BMS with 800A peak surge\u003c\/li\u003e\n\u003cli\u003eCycle Life: Up to 6,000 cycles at 80% DoD\u003c\/li\u003e\n\u003cli\u003eWeight: ~154 lbs (70 kg)\u003c\/li\u003e\n\u003cli\u003eDimensions: 19.45\" × 12.60\" × 11.22\"\u003c\/li\u003e\n\u003cli\u003eEnclosure: Cold rolled steel, IP65\u003c\/li\u003e\n\u003cli\u003eOperating Temp (Discharge): -20°C to 55°C (-4°F to 131°F)\u003c\/li\u003e\n\u003cli\u003eOperating Temp (Charge): 0°C to 55°C (32°F to 131°F) — heater activates below 32°F\u003c\/li\u003e\n\u003cli\u003eCommunication: Bluetooth, GPS, RS485, UART, CAN\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eFrequently Asked Questions\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this battery include a charger?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo — this listing is the bare battery only. You'll need a matched 58.4V LiFePO4 charger to run it.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest value:\u003c\/strong\u003e Grab the \u003ca href=\"\/collections\/battery-bundles\"\u003e51V 168Ah Fleet Lithium Bundle\u003c\/a\u003e — battery + 58.4V smart charger + cable set + AC connector + state-of-charge gauge. Everything for a complete drop-in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharger only:\u003c\/strong\u003e Add the \u003ca href=\"\/collections\/chargers\"\u003eCH5618 58.4V 18A Smart Charger\u003c\/a\u003e alongside this battery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work in severe cold climates?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The NexGen BMS automatically activates internal heating below 32°F so the pack charges safely year-round.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long will this battery actually last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEngineered for over a decade of reliable performance and backed by our 10-year warranty. LiFePO4 cells are rated for 3,000–6,000 cycles — at typical golf cart usage that translates to 10+ years of service life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work without reprogramming my controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn most cases, yes. Factory 48V controllers are generally compatible with the 51.2V output without modification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I integrate this with a sophisticated motor controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The integrated BMS provides CANBUS and RS485 ports for advanced motor controllers and telemetry systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there a vehicle-specific kit with brackets?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. If you're converting a specific golf cart (EZGO, Club Car, Yamaha, Advanced EV, etc.), our \u003ca href=\"\/collections\/conversion-kits\"\u003e48V Conversion Kits\u003c\/a\u003e include this exact battery plus a model-specific bracket, charger, and all wiring — no fabrication required.\u003c\/p\u003e","brand":"Fleet Lithium","offers":[{"title":"168Ah","offer_id":47955164659987,"sku":"51-VLT-168-AH","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0855\/5534\/7731\/files\/51v-168ah-fleet-lithium-battery-nexgen-b-edit-1784284574784.png?v=1784284577","url":"https:\/\/fleetlithium.com\/products\/51v-168ah-fleet-lithium-battery-nexgen-bms","provider":"Fleet Lithium - High Performance Lithium Batteries","version":"1.0","type":"link"}