Yamaha Golf Car UMAX 2 Rally AC Replacement Battery
Yamaha Golf Car document a Trojan Battery Company battery (6V) for the UMAX 2 Rally AC. Specifications, any replacement options and the recall status are below, each with its source.
Last updated: 1 November 2026
trojanbattery.com/products/t-105-6v-flooded-battery
- Capacity
- 185 Ah at 5 hours, rising to 250 Ah at 100
- Energy of one block (the cart carries 8)
- 1.50 kWh
Source: trojanbattery.com/products/t-105-6v-flooded-battery
Source: trojanbattery.com/products/t-105-6v-flooded-battery
Why this pack is listed for the UMAX 2 Rally AC
“Battery: Trojan - T-105 (8x6volt) RC: minimum 115 min @ 75 Amps”
The manufacturer's own statement for this pack. Reported, not endorsed — confirm with the manufacturer before buying or fitting.
Only Yamaha UMAX 2 Rally AC, 2025 manual edition (LIT-19626-A4-03), per the manual's own SPECIFICATIONS - BATTERIES table. Corroborated by LIT-19626-A2-52 (2023, identical) and LIT-19626-A0-18 (2019, heading its own YUM2E column "UMAX SPORTS" — Yamaha's own manual index files this same 2019 document under a "Rally" label, "UMAX TWO RALLY (48V - POWERTECH AC MOTOR - LONGBED)"), all three stating the identical battery and RC figure. Check yours before buying.
Maker lists it as a direct fit.
Sources do not establish: Battery compartment dimensions, and whether any short-wheelbase (YUM1E) Rally AC variant exists.
Full specifications, sources and every vehicle this pack fits.
View battery: T-105 6V Flooded Lead Acid →Source for these specifications
- Yamaha UMAX 2 Rally AC Owner's Manual, 2025 edition (YUM2E UMAX RALLY)Manufacturer document
Yamaha Golf-Car Company
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A4-03.pdf
Retrieved September 28, 2026
Recall & safety status
Recalls (2)
Most recalls cover only certain model years, serials or build dates — view each notice to check it against your own unit.
- 2025-06-05CPSCThe accelerator pedal spring can fail to return to idle when a consumer stops pressing the accelerator pedal, posing a crash hazard.only the four model-year serial ranges stated (MY2019-2022).View recall →
- 2019-08-28CPSCThe module that regulates power to the vehicle's USB ports can overheat and melt, posing a fire hazard.the one MY2019 serial range stated only.View recall →
Sources
- Trojan Battery Company — T-105 6V flooded lead-acid datasheetManufacturer document
Trojan Battery Company
Source: iconev.com/wp-content/uploads/2022/09/Trojan-T-105-6V-Flooded-Lead-Acid-.pdf
Retrieved September 15, 2026
- Trojan Battery | T-105 6V Flooded Lead Acid BatteryManufacturer document
Trojan Battery Company
Source: trojanbattery.com/products/t-105-6v-flooded-battery
Retrieved September 16, 2026