Drop-in lithium conversion kit for the Yamaha UMAX Rally 2018-2025 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 UMAX Rally 2018-2025 48V Factory battery config: Eight 6V Trojan T-105 flooded lead-acid batteries Vehicle class: UTV / Utility EV Controller / Electrical Note: Use the factory voltage, battery layout and observable controller/charger labels shown in this branch. Stock controllers require no programming unless this row states otherwise; modified controllers need separate electrical review. Modification Required: Ships with a vehicle-specific bracket kit, matched to your factory tray — no frame drilling required. Fitment Notes: Match UMAX Rally, the listed whole-year range, factory voltage, battery count and observable tray layout. Replace the lead-acid charger with the matched Fleet lithium charger. 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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