Upgrade Your Tomberlin E-Merge to Fleet Lithium Replace the factory lead-acid batteries in your Tomberlin E-Merge with a single, high-performance 51V LiFePO4 pack from Fleet Lithium. Complete conversion kit — battery, charger, bracket, cables, and all hardware included. Choose Your Capacity Capacity Range Best For 51V 65Ah Up to 27 mi Stock carts only 51V 105Ah Up to 50 mi Daily driving, golf 51V 168Ah Up to 75 mi All-day use 51V 210Ah Up to 90 mi Max range, fleet use 65Ah is for stock motors/controllers only. If your cart has performance upgrades, choose 105Ah or higher. What's Included 51V NexGen Fleet Lithium LiFePO4 Battery (selected capacity) CH5618 — 58.4V 18A LiFePO4 Smart Charger BR5139 — Tomberlin E-Merge Bracket Kit AC0219 — AC Power Connector CB0917 — Cable Set (35.4") Digital State-of-Charge Gauge All mounting hardware Key Specs 300A NexGen BMS with 800A peak surge Patent-pending fire suppression system Built-in cold-weather heater — activates automatically below 32°F (standard, not an add-on) Bluetooth monitoring — voltage, temp, cycle count from your phone 10-year warranty — designed and assembled in the USA Fitment Guide OEM Model Years Factory Voltage Tomberlin E-Merge All Years 48V Tomberlin E-Merge GT All Years 48V Tomberlin E-Merge SS All Years 48V Tomberlin Engage All Years 48V Tomberlin Ghost Hawk All Years 48V Controller Compatibility Tomberlin E-Merge models use a factory Curtis 48V controller. The Fleet Lithium 51V pack is fully compatible — no reprogramming or controller changes required. Works with all E-Merge variants including GT, SS, Engage, and Ghost Hawk. Will this fit my Tomberlin E-Merge? Yes. The BR5139 bracket kit provides a factory-fit installation for all E-Merge, Engage, and Ghost Hawk models. No modifications required. Does my controller need reprogramming? No. The factory Curtis 48V controller on all E-Merge variants accepts the 51V lithium pack without changes. How long does installation take? 30–60 minutes with basic hand tools. Does it work in cold weather? Yes. Built-in heater activates automatically below 32°F — standard on every pack. *Range estimates are maximums under ideal conditions (flat terrain, single rider, 12–15 mph, 70°F). Actual range varies with terrain, weight, speed, and temperature.
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