Golf Cart Batteries

What Is The T-105 6V Flooded Battery Specification?

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The Trojan T-105 6V flooded deep-cycle battery is a lead-acid power solution delivering 225Ah capacity at 20-hour discharge rate. Designed for sustained energy delivery in golf carts, renewable systems, and industrial equipment, it utilizes thick lead plates (4.98mm) and sulfuric acid electrolyte for 1,200+ cycles at 50% depth of discharge. Optimal charging requires 7.35-7.45V per cell (7.05V float) with 22-68A current. Pro Tip: Always pair T-105s in series multiples (6 units for 36V systems) using identical age/capacity batteries to prevent imbalance.

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What voltage range operates T-105 batteries?

Operating between 5.25V (discharged) and 7.7V (charged), Trojan T-105s maintain stable performance when kept within 6.32-6.4V nominal. Charging peaks at 7.45V/cell during absorption before dropping to 6.75V float. For example, a 48V golf cart bank (8 batteries) requires 59.6-63.2V operating range. Pro Tip: Use temperature-compensated charging – reduce voltage by 0.003V/°C when exceeding 25°C to prevent overcharging.

⚠️ Critical: Never discharge below 5.25V – sulfation permanently reduces capacity by 15-20% per deep discharge event.

How does plate design affect T-105 performance?

4.98mm thick lead plates in T-105s resist corrosion better than standard 1.5-3mm plates in competitors’ models. The dense lead oxide paste increases surface area by 28%, enabling sustained 56A discharge for 75 minutes (C/20 rate). Comparatively, thin-plate batteries degrade 40% faster under similar loads. For industrial floor cleaners cycling 5x daily, T-105s typically last 3 years vs. 18 months for economy batteries.

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Feature T-105 Standard GC2
Plate Thickness 4.98mm 3.2mm
Cycle Life (50% DoD) 1,200 650
20hr Capacity 225Ah 190Ah

What maintenance ensures maximum lifespan?

Weekly electrolyte checks maintaining 6-9mm above plates prevent plate exposure. Use distilled water only – impurities reduce conductivity by 18%. Equalize monthly at 7.8V/cell for 2-4 hours to prevent stratification. A neglected T-105 in Arizona golf carts showed 47% capacity loss after 8 months without equalization, versus 9% loss with proper maintenance.

Understanding the Lifespan of Trojan Golf Cart Batteries

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Redway Battery Expert Insight

Trojan T-105s remain the gold standard for flooded lead-acid applications requiring deep cycling. Their rugged plate construction handles 80% depth of discharge better than most competitors, though we recommend limiting to 50% DoD for optimal longevity. For modern users, consider lithium alternatives offering 2-3x cycle life at half the weight – Redway’s 36V lithium packs provide equivalent runtime with zero maintenance.

FAQs

Can T-105 batteries freeze in winter?

Only if discharged below 50% – full charged T-105s withstand -40°C. At 25% charge, freezing occurs at -15°C, expanding plates and cracking cases.

How to store T-105s long-term?

Fully charge, disconnect terminals, and store at 10-15°C. Recharge every 3 months – self-discharge is 4-6% monthly. Never store discharged.

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