Real tech. Real support. Real results. Trusted by professionals nationwide.

Bad Boy Recoil & Recoil iS Lithium Battery Conversion Kit (72V) | Fleet Lithium

Sale price $3,40200 USD Regular price $3,78027
Shipping calculated at checkout.
10-Year Warranty US-Based Support Ships From The USA 30-Day Guarantee Safe Chemistry

Illustrated installation manual — Revision 2.3

See the battery features and 10-year warranty, then follow clear owner instructions with real Prowler photos: remove the lead-acid bank, mount the battery, replace the main cables, fit the charger and gauge, and test the vehicle. Includes Tracker/Recoil mounting differences, 168Ah kit guidance and 12V accessory planning.

Download the 12-page installation manual (PDF)

Read the step-by-step photo installation guide

72V lithium conversion for your Bad Boy Recoil

Replace the complete lead-acid battery bank in a compatible factory 72V Bad Boy Recoil or Recoil iS with a matched Fleet Lithium 76.8V LiFePO4 conversion system. Confirm the model/serial label, controller, battery bay and selected capacity before ordering.

Choose the energy reserve that suits your terrain, load and trip length. Replace battery watering and lead-acid equalization with a matched lithium charging system and a dedicated state-of-charge gauge.

Choose your battery capacity

Capacity Nominal energy Installation planning
76.8V 105Ah 8.06 kWh Smaller battery option; match the vehicle-specific restraint.
76.8V 168Ah 12.90 kWh 60% more nominal energy; confirm the larger pack and mounting kit.

Cold-Weather Charging Protection — Standard on Every Pack

Every 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.

What's Included

  • 76.8V NexGen Fleet Lithium LiFePO4 Battery (your selected capacity)
  • CH8713 — 87.6V 13A LiFePO4 Smart Charger
  • Recoil-specific restraint and hardware — confirm BR4211 where listed on your order
  • AC0219 — AC Power Connector
  • CB0917 — Heavy-Gauge Battery Cable Set (35.4")
  • FL-DC-12 — 72V to 12V Voltage Reducer (for lights & accessories)
  • Digital State-of-Charge (SOC) Gauge and included 2-inch gauge mount
  • Mounting hardware for the supplied vehicle/capacity-specific restraint

Why Fleet Lithium?

  • ✔ 300A NexGen BMS — 800A peak surge for demanding hill climbs
  • ✔ Patent-Pending Fire Suppression — an additional built-in safety feature
  • ✔ Bluetooth Monitoring — check health, voltage, temp from your phone
  • ✔ 10-Year Warranty — industry-leading coverage
  • ✔ Designed & Assembled in the USA
  • ✔ Matched conversion — model-specific restraint, lithium charger, cables and gauge

Fitment

Model Years Factory Voltage Compatible
Bad Boy Recoil Confirm by model/serial 72V AC Yes
Bad Boy Recoil iS Confirm by model/serial 72V AC Yes

Use the restraint specified for the delivered capacity and actual tray. Confirm BR4211 where listed on your order and retain the matched factory 72V AC controller system. Modified systems require a compatibility check.

FAQ

Will this fit my Bad Boy Recoil? Use the Recoil-specific BR4211 restraint where specified on your order. Confirm your actual tray, capacity and controller layout, then trial fit before making any required fastening holes.

Do I need to reprogram my controller? Matched factory 72V AC systems typically retain their original controllers. Confirm the actual controller configuration; modified vehicles require a compatibility check. Do not alter protection limits to clear a fault.

How long does installation take? Allow time for safe battery removal, tray inspection, wiring, charger and gauge fitting, and final testing. Read the illustrated manual before scheduling the installation.

Does it work in cold weather? Yes. Built-in heater activates automatically below 32°F for safe cold-weather charging. The heater does not run during discharge/driving.

Will my 12V accessories still work? The included reducer supplies compatible 12V accessories within its rating. Verify that its input accepts the 87.6V full-charge voltage. A winch needs a supply rated for its actual peak demand; a standard accessory reducer is not automatically suitable.

Which capacity should I choose? 105Ah provides 8.06 kWh of nominal energy. The 168Ah option provides 12.90 kWh, or 60% more nominal energy. Choose for your terrain, load and trip length, then confirm the larger pack and restraint fit your actual vehicle.

Nominal energy is voltage × amp-hours, not a driving-range guarantee. Actual range depends on terrain, passengers, load, tires, temperature and driving. OEM payload and towing limits remain unchanged.

  • 5 stars: 1 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
D
Daniel L. (United States)
76.8V 105Ah
Amazing Product, Amazing Customer Service

The customer service and the battery itself from Fleet Lithium is unbeatable. One of the best experiences as a customer I have ever had. They stand by their product and help you every step of the way to ensure you are happy in your purchase. The install was easy once you know where everything is supposed to go and the battery has performed flawlessly in my Bad Boy Recoil since installation. It made it a lot lighter and the buggy is obviously quicker now and I was able to ride it around the farm for hours in fast mode the other day and only used 25% of the battery carrying a buddy and myself. It is really amazing.

Hi Daniel, thank you for your fantastic review! We're thrilled to hear you’re enjoying the battery and that our support has made your experience even better. Happy riding!

J
Jerry M.

Will this fit bad boy recoil with 9 eight volt batteries

Fleet L.-.H.P.L.B.

Yes, we can make this work. Nine 8V batteries are still a 72V system, but the tray layout is different, so send us a photo and measurements and we’ll confirm the bracket. The Recoil kit includes the battery, charger, cables, gauge, hardware, and 72V-to-12V reducer.