{"product_id":"bad-boy-buggies-all-years-48v-fleet-lithium-conversion-kit","title":"Bad Boy Buggies 48V Lithium Battery Conversion Kit — Classic, Buggy \u0026 XD | Fleet Lithium","description":"\u003ch2\u003eDrop-In Lithium Power for Your Bad Boy Buggies 48V\u003c\/h2\u003e\u003cp\u003eReplace all six lead-acid batteries in your Bad Boy Buggies 48V (Classic, Buggy, XD — all years) with a single, lightweight 51V LiFePO4 lithium battery conversion kit from Fleet Lithium. The factory Bad Boy uses six 8V batteries wired in series (48V total). Our drop-in kits consolidate all of that into one compact unit — no rewiring, no programming, no special tools.\u003c\/p\u003e\u003cp\u003eChoose the capacity that matches your driving needs and enjoy longer range, faster charging, and maintenance-free performance for years to come.\u003c\/p\u003e\u003ch3\u003eChoose Your Range\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003cth\u003eEnergy (kWh)\u003c\/th\u003e\n\u003cth\u003eEstimated Range\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e51V 105Ah\u003c\/td\u003e\n\u003ctd\u003e5.38 kWh\u003c\/td\u003e\n\u003ctd\u003eUp to 50 miles*\u003c\/td\u003e\n\u003ctd\u003eDaily driving, golf, errands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e51V 168Ah\u003c\/td\u003e\n\u003ctd\u003e8.60 kWh\u003c\/td\u003e\n\u003ctd\u003eUp to 75 miles*\u003c\/td\u003e\n\u003ctd\u003eAll-day use, hunting, ranch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e51V 210Ah\u003c\/td\u003e\n\u003ctd\u003e10.75 kWh\u003c\/td\u003e\n\u003ctd\u003eUp to 90 miles*\u003c\/td\u003e\n\u003ctd\u003eMaximum range, fleet \u0026amp; commercial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCold-Weather Charging Protection — Standard on Every Pack\u003c\/h3\u003e\u003cp\u003eEvery Fleet Lithium battery includes a built-in heater that activates automatically when charging below 32°F (0°C). This protects the cells during cold-weather charging — no extra charge, unlike competitors who charge $200–$400 for heated versions.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e51V NexGen Fleet Lithium LiFePO4 Battery (your selected capacity)\u003c\/li\u003e\n\u003cli\u003eCH5618 — 58.4V 18A LiFePO4 Smart Charger\u003c\/li\u003e\n\u003cli\u003eBR5204 — Bad Boy Buggies 48V Vehicle-Specific Bracket Kit\u003c\/li\u003e\n\u003cli\u003eAC0219 — AC Power Connector\u003c\/li\u003e\n\u003cli\u003eCB0917 — Heavy-Gauge Battery Cable Set (35.4\")\u003c\/li\u003e\n\u003cli\u003eVR4812 — 48V to 12V Voltage Reducer (for lights \u0026amp; accessories)\u003c\/li\u003e\n\u003cli\u003eDigital State-of-Charge (SOC) Gauge\u003c\/li\u003e\n\u003cli\u003eAll mounting hardware — complete bolt-in installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Fleet Lithium?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✔ 300A NexGen BMS — 800A peak surge for demanding hill climbs\u003c\/li\u003e\n\u003cli\u003e✔ Patent-Pending Fire Suppression — stops thermal runaway before it starts\u003c\/li\u003e\n\u003cli\u003e✔ Bluetooth Monitoring — check health, voltage, temp from your phone\u003c\/li\u003e\n\u003cli\u003e✔ 10-Year Warranty — industry-leading coverage\u003c\/li\u003e\n\u003cli\u003e✔ Designed \u0026amp; Assembled in the USA\u003c\/li\u003e\n\u003cli\u003e✔ True Drop-In — no rewiring, no reprogramming\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eFactory Voltage\u003c\/th\u003e\n\u003cth\u003eCompatible\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBad Boy Classic\u003c\/td\u003e\n\u003ctd\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003e48V\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBad Boy Buggy\u003c\/td\u003e\n\u003ctd\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003e48V\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBad Boy XD\u003c\/td\u003e\n\u003ctd\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003e48V\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eAll kits use the same BR5204 bracket and are fully compatible with the factory 48V DC controller. No upgrades or reprogramming needed.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWill this fit my Bad Boy Buggies?\u003c\/strong\u003e Yes. The included BR5204 bracket kit ensures a secure, factory-fit installation for all 48V Bad Boy models. No modifications required.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need to reprogram my controller?\u003c\/strong\u003e No. The factory 48V DC controller accepts the 51V lithium pack out of the box.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long does installation take?\u003c\/strong\u003e 30–60 minutes with basic hand tools.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work in cold weather?\u003c\/strong\u003e Yes. Built-in heater activates automatically below 32°F for safe cold-weather charging. The heater does not run during discharge\/driving.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill my 12V accessories still work?\u003c\/strong\u003e Yes. The included VR4812 voltage reducer steps the 51V pack down to 12V for your lights, horn, gauges, and accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich capacity should I choose?\u003c\/strong\u003e 105Ah for up to 50 miles (most popular), 168Ah for up to 75 miles, or 210Ah for up to 90 miles maximum range.\u003c\/p\u003e\u003cp\u003e\u003cem\u003e*Range estimates represent maximum distance under ideal conditions (flat terrain, single occupant, 12–15 mph, fully charged, 70°F). Actual range varies based on terrain, weight, speed, temperature, and driving habits.\u003c\/em\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this fit my Bad Boy Buggies?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The included BR5204 bracket kit ensures a secure, factory-fit installation for all 48V Bad Boy Classic, Buggy, and XD models. No modifications required.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to reprogram my controller?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The factory 48V DC controller accepts the 51V lithium pack out of the box.\"}},{\"@type\":\"Question\",\"name\":\"How long does installation take?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"30-60 minutes with basic hand tools.\"}},{\"@type\":\"Question\",\"name\":\"Does it work in cold weather?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Built-in heater activates automatically below 32F for safe cold-weather charging. The heater does not run during discharge or driving.\"}},{\"@type\":\"Question\",\"name\":\"Will my 12V accessories still work?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The included VR4812 voltage reducer steps the 51V pack down to 12V for your lights, horn, gauges, and accessories.\"}},{\"@type\":\"Question\",\"name\":\"Which capacity should I choose?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"105Ah for up to 50 miles (most popular), 168Ah for up to 75 miles, or 210Ah for up to 90 miles maximum range.\"}}]}\u003c\/script\u003e","brand":"Fleet Lithium","offers":[{"title":"51V 105Ah","offer_id":54009644941587,"sku":"FLBB-51105","price":2699.0,"currency_code":"USD","in_stock":true},{"title":"51V 168Ah","offer_id":54009644974355,"sku":"FLBB-51168","price":3699.0,"currency_code":"USD","in_stock":true},{"title":"51V 210Ah (Dual 105Ah)","offer_id":54009645007123,"sku":"FLBB-51210","price":4899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0855\/5534\/7731\/files\/bad-boy-buggies-all-years-48v-fleet-lith-2-1775484016209.png?v=1775486123","url":"https:\/\/fleetlithium.com\/products\/bad-boy-buggies-all-years-48v-fleet-lithium-conversion-kit","provider":"Fleet Lithium - High Performance Lithium Batteries","version":"1.0","type":"link"}