The Trojan T-1275 is a deep-cycle flooded lead-acid battery designed for golf carts, offering 150Ah capacity and 12V power. Known for durability, it provides consistent performance across 500+ cycles, features thick plates for longevity, and supports frequent deep discharges. Proper maintenance ensures 4-6 years of service. Ideal for golf, utility vehicles, and renewable energy systems.
48V 100Ah Lithium Golf Cart Battery
What Are the Key Specifications of the Trojan T-1275 Battery?
The T-1275 delivers 150Ah capacity at 12V, weighs 70 lbs, and measures 10.3″ x 7.1″ x 11.1″. Its thick lead plates enhance charge retention, while a reinforced case resists vibration. Designed for 20% depth of discharge (DoD), it achieves 500+ cycles at 50% DoD. Terminal type: SAE automotive. Electrolyte mix: sulfuric acid/water.
How Does the Trojan T-1275 Compare to Other Golf Cart Batteries?
When evaluated against lithium-ion and AGM alternatives, the T-1275 shines in cost-effectiveness while maintaining robust performance. Lithium batteries offer 2,000+ cycles and lighter weight but cost 3x more upfront. AGM batteries provide maintenance-free operation but have 30% fewer cycles than flooded models like the T-1275.
| Feature | T-1275 | Lithium-Ion | AGM |
|---|---|---|---|
| Cycle Life (50% DoD) | 500+ | 2,000+ | 350 |
| Cost per kWh | $150 | $450 | $200 |
| Maintenance | Monthly | None | None |
The T-1275’s thick plates (0.22″ vs. 0.18″ in budget batteries) enable deeper discharges without premature sulfation. While runtime per charge is 10-15% less than lithium equivalents, its ability to recover from full discharge makes it preferable for seasonal users. For golf courses requiring daily use, lithium’s faster charging (2hr vs. 8hr) may justify higher costs, but the T-1275 remains the standard for moderate-use scenarios.
Why Is Proper Maintenance Critical for the Trojan T-1275?
Flooded lead-acid batteries require monthly watering with distilled water to prevent plate exposure. Clean terminals with baking soda/water to avoid corrosion. Equalize charges every 30-60 days to balance cell voltages. Store at 50% charge in cool environments. Neglecting maintenance reduces capacity by 30% annually and risks sulfation.
What Applications Beyond Golf Carts Suit the Trojan T-1275?
This battery powers floor scrubbers, solar storage systems, marine trolling motors, and electric wheelchairs. Its deep-cycle design supports sustained loads in off-grid setups. Compatible with 36V/48V configurations when series-connected. Avoid high-amp automotive starts; optimized for 75-100A continuous draw.
How Do You Safely Install the Trojan T-1275 in a Golf Cart?
Use insulated tools and PPE (gloves/goggles). Ensure cart is off. Connect batteries in series: T-1275 terminal order (+ to -) for 36V/48V packs. Torque terminals to 95-105 in-lbs. Apply anti-corrosion gel post-connection. Test voltage: 12.6-12.8V per battery after 12hr rest. Secure with factory hold-downs to prevent movement damage.
What Environmental Factors Impact Trojan T-1275 Performance?
Capacity drops 1% per °F below 80°F. Above 100°F accelerates plate corrosion. Ideal range: 50-80°F. Humidity over 80% risks terminal oxidation. Elevation above 3,000ft reduces electrolyte boiling points. Store in ventilated areas—hydrogen gas emissions require airflow. Never expose to open flames.
| Temperature (°F) | Capacity | Charging Voltage Adjustment |
|---|---|---|
| 32°F | 75% | +0.6V |
| 80°F | 100% | None |
| 100°F | 95% | -0.5V |
In cold climates, insulate battery compartments with neoprene sleeves to minimize capacity loss. For tropical environments, install ventilation fans to maintain sub-90°F operating temperatures. At high elevations, reduce equalization charges by 15% to prevent electrolyte depletion. Always compensate charging voltage per manufacturer guidelines—failure to adjust for temperature accounts for 23% of premature failures according to industry studies.
“The T-1275’s ruggedized design bridges cost and performance for mid-range users. While lithium alternatives exist, Trojan’s flooded chemistry remains unmatched for budget-conscious deep cycling. Key advice: invest in a precision hydrometer—specific gravity readings predict failures before voltage drops.”
— Redway Power Systems Engineer
Conclusion
The Trojan T-1275 balances affordability and reliability for golf cart owners needing robust deep-cycle performance. Through disciplined watering, charging, and storage practices, users maximize ROI. While newer technologies emerge, its proven design continues dominating mid-tier motive power applications.
FAQ
- Can the Trojan T-1275 Be Used in Lithium-Upgraded Carts?
- No—lithium systems require compatible BMS and chargers. Mixing chemistries risks thermal runaway. Retrofit kits exclude lead-acid support.
- How Often Should I Replace Trojan T-1275 Batteries?
- Replace when capacity falls below 60% of original (≈4-6 years). Test via 20hr discharge: 150Ah x 20hr = 7.5A draw to 10.5V cutoff. If runtime <14hrs, replace.
- Does the T-1275 Work with Smart Chargers?
- Yes—select “Flooded Lead-Acid” mode. Smart chargers optimize absorption/float voltages (14.4-14.8V absorption, 13.2-13.4V float). Avoid “AGM” or “Gel” settings to prevent undercharging.
