Drop-in lithium conversion kit for the Yamaha G23E UMAX Medium Duty I 2004-2007 48V system. Replaces the factory lead-acid battery pack with a purpose-built Fleet Lithium bundle sized for your vehicle's tray and electrical demands. What's Included Fleet Lithium 48V battery pack — choose 65Ah, 105Ah, 168Ah, 210Ah Vehicle-specific bracket kit matched to the factory tray Matched lithium charger with OEM-style plug Hardware and wiring adapters required for installation Fitment & Compatibility Vehicle: Yamaha G23E UMAX Medium Duty I 2004-2007 48V Factory battery config: Six 8V flooded lead-acid batteries Vehicle class: Utility Golf Cart Controller / Electrical Note: 48V factory drive. Fleet packs provide 300A continuous and 800A peak; a 350A/400A/450A/500A controller label is not by itself a rejection. Confirm the visible controller label and stock motor/controller configuration before installation. Modification Required: Install the Fleet lithium charger and SOC gauge, retain required accessory feeds, and secure the pack without drilling frame rails. Ships with a vehicle-specific bracket kit, matched to your factory tray — no frame drilling required. Fitment Notes: Use only after the customer selects: G23E UMAX Medium Duty I 2004-2007 - six 8V batteries / 48V DC. Confirm visible battery count, voltage, chemistry, layout, controller and charger labels. Why Fleet Lithium 10-year warranty on Promise-series packs Bluetooth-enabled NexGen BMS with 300A continuous / 800A peak surge discharge Heated cold-weather operation and CAN/RS485 communication support Ships from the USA; shipping calculated at checkout
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