What Makes the VMAX XTR6-235 6V 235Ah AGM Battery Ideal for Golf Carts?
The VMAX XTR6-235 6V 235Ah AGM battery is engineered for golf carts requiring robust deep-cycle performance. Its absorbed glass mat (AGM) design ensures spill-proof operation, minimal maintenance, and superior vibration resistance. With a high 235Ah capacity and optimized discharge-recharge efficiency, it supports extended runtime on hilly terrains and frequent stop-start cycles, making it a top choice for golf enthusiasts.
How Does the AGM Technology Enhance Battery Performance?
The AGM technology in the VMAX XTR6-235 uses fiberglass mats to absorb electrolytes, eliminating spills and reducing internal resistance. This design enhances charge acceptance, extends cycle life (1,200+ cycles at 50% depth of discharge), and improves performance in extreme temperatures (-4°F to 122°F). It also prevents sulfation, a common cause of lead-acid battery failure.
AGM batteries like the XTR6-235 utilize pressure-regulated valves to maintain optimal oxygen recombination rates. This process achieves 99% efficiency in converting released oxygen back into water, dramatically reducing electrolyte loss. The compressed fiberglass separators also provide 40% better plate-to-plate conductivity compared to traditional gel cells, enabling faster current delivery during sudden acceleration demands. Golf cart operators will appreciate the 0.003Ω internal resistance – 22% lower than standard AGM designs – which translates to 18% more torque during hill climbs. Maintenance teams benefit from the gas-tight seal that eliminates terminal corrosion, a frequent issue in flooded battery installations.
Why Is the GC2 Form Factor Critical for Golf Cart Compatibility?
The GC2 group size (10.3″ L x 7.1″ W x 10.9″ H) ensures seamless integration into most golf cart battery trays. Its terminal positioning (top-mounted SAE posts) simplifies wiring in 6V series configurations. The 63.9 lb weight balances energy density and cart stability, while reinforced polypropylene casing resists acid leaks and mechanical stress during off-road use.
What Charging Practices Maximize the XTR6-235’s Lifespan?
Use a smart charger with AGM-specific profiles (14.4-14.8V absorption, 13.4V float). Avoid discharging below 50% (12.06V resting voltage) to prevent capacity loss. Recharge within 24 hours after use. Temperature-compensated charging (adjust ±0.028V/°F from 77°F) is critical in extreme climates. Equalize annually at 15.5V for 2-4 hours if voltage variance exceeds 0.15V between cells.
Optimal charging requires understanding three-phase charging cycles. Bulk charging should deliver 25-30% of battery capacity (58-70A for XTR6-235) until reaching 80% SOC. Absorption phase then tapers current while maintaining 14.6V±0.2V. Finally, float mode preserves charge without overcharging. Data from 150-cycle tests show that users maintaining absorption voltage for 45 extra minutes per charge achieve 9% longer plate life. For fleet operators, implementing automated charging stations with RFID tracking can increase battery lifespan by 22% through consistent voltage regulation.
| Charger Type | Charge Time (50% DoD) | Cycle Life Impact |
|---|---|---|
| Standard 10A | 11.75 hours | 1,200 cycles |
| Smart 25A | 5.3 hours | 1,350 cycles |
| High-frequency 40A | 3.8 hours | 1,275 cycles |
How Does the XTR6-235 Compare to Flooded Lead-Acid Alternatives?
Unlike flooded batteries, the XTR6-235 delivers 15-20% higher usable capacity (187Ah vs 158Ah at 20hr rate) due to lower internal resistance. It charges 2x faster (23% vs 58% charge acceptance at 80% SOC) and withstands 300% more vibration. Maintenance costs drop 90% by eliminating water topping, and self-discharge is halved (3% vs 6% monthly).
Expert Views
“The XTR6-235’s carbon-enhanced plates are a game-changer,” notes a Redway Power engineer. “By integrating 2.5% carbon into the lead grid, we’ve reduced impedance by 18% versus standard AGMs. This lets golf carts climb 15° inclines without voltage sag. Our 99.99% recombination efficiency also means zero watering—critical for fleet operators managing 50+ carts.”
FAQs
- How long does the XTR6-235 last in daily golf cart use?
- Expect 4-6 years with proper charging. At 5 cycles/week (18 holes = 1 cycle), 1,200 cycles equate to 4.6 years. Storage life is 18 months at 77°F with 13.2V float charge.
- Can I mix XTR6-235 with older batteries?
- No. Mixing AGM with flooded or batteries over 6 months old causes imbalance. Voltage variance exceeding 0.5V in a 6V series pack accelerates degradation by 40%.
- What’s the recharge time after 18 holes?
- Using a 25A charger, recovery from 50% SOC takes 5.3 hours (235Ah × 50% ÷ 25A = 4.7h + absorption). A 40A charger reduces this to 3.8 hours. Never exceed 50A charge current (C/4.7 rate).
- Does temperature affect the 235Ah rating?
- Yes. At 32°F, usable capacity drops to 210Ah (10% loss). At 100°F, it gains 8% (254Ah) but cycle life decreases 30%. Ideal range is 60-85°F for balanced performance.