Upgrade Your E-Z-GO Express S2 to Fleet LithiumA 72V Express S2 with six 12V flooded batteries carries about 400 lb of lead that you paid for in acceleration and range every single day. The 76.8V Fleet Lithium pack keeps the speed and torque the 72V platform is known for while cutting roughly 250 lb, charging in a fraction of the time, and needing zero maintenance for the life of the warranty.Choose Your Capacity Capacity Range* Best For 76.8V 105Ah Up to 50 mi Daily driving 76.8V 168Ah Up to 75 mi All-day use What's Included 76.8V NexGen Fleet Lithium LiFePO4 Battery (selected capacity) CH8713 — 87.6V 13A LiFePO4 Smart Charger Vehicle-specific mounting bracket kit — matched to your cart's factory battery tray AC0219 — AC Power Connector Cable Set 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 and cycle count from your phone 10-year warranty — designed and assembled in the USA Fitment Guide OEM Model Years Factory Battery Tray Bracket Shipped E-Z-GO Express S2 2021–2022 6x 12V Matched to your tray Which Do You Have?This kit is for the 72V lead-acid S2. If your cart came with a factory ELiTE lithium pack, it uses a different architecture and is not covered.Will It Work With My Controller?The S2's 350A 72V AC drive accepts the 76.8V Fleet pack directly. No reprogramming and no controller upgrade.Frequently Asked QuestionsWill this fit my Express S2?Yes, if it has six 12V lead-acid batteries.Does it fit a factory ELiTE lithium S2?No.Which capacity should I pick?105Ah covers most daily use. Choose 168Ah for all-day or loaded duty.How long does installation take?30–60 minutes with basic hand tools.Does it work in cold weather?Yes. The 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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