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Trojan  |  SKU: J305H-AC

Trojan J305HC Deep Cycle Battery — 6V 335Ah (Flooded Lead Acid)

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Sale price $629.99 CAD Regular price $699.00

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Trojan J305HC 6V 335Ah Deep Cycle Flooded Lead Acid Battery – LPT Terminal

Premium 6V deep cycle flooded lead acid battery from Trojan’s renowned AC Series / Plus Series™, engineered for demanding applications requiring high sustained power, exceptional cycle life, and dependable long-term performance. Ideal for renewable energy systems, floor machines, aerial work platforms, golf and utility vehicles, and marine or RV power setups.

335Ah Capacity 6V Output Flooded Deep Cycle LPT Terminal

Technical Specifications

BrandTrojan Battery
ModelJ305HC
Battery TypeFlooded Lead Acid (Deep Cycle)
Voltage6 Volts
Capacity (20Hr Rate)335Ah
Capacity (5Hr Rate)275Ah
SeriesAC Series / Plus Series™
TechnologyT2 Technology™ / Maxguard® Advanced Design Separator / Alpha Plus® Paste
Terminal TypeLPT (Lead Post Terminal)
Dimensions (L × W × H)11.66 × 6.94 × 14.76 in (296 × 176 × 375 mm)
Weight94 lbs (42.6 kg)
MaintenanceLow maintenance – reduced watering frequency
Casing ColorMaroon / Red

Key Benefits

  • Exceptional Deep Cycle Performance: Designed for repeated cycling in demanding energy storage and motive power applications.
  • High Capacity Output: 335Ah at the 20-hour rate delivers strong, reliable runtime.
  • Advanced Trojan Technology: Built with Maxguard® Advanced Design Separator and Alpha Plus® Paste with T2 Technology™.
  • Long Service Life: Robust internal design supports extended performance and excellent cycle life.
  • Sustained Power Delivery: Provides dependable power for professional and industrial equipment.
  • Low Maintenance Design: Reduced watering frequency helps simplify upkeep.
  • Trusted Brand Quality: Trojan batteries are relied on worldwide in renewable, industrial, and mobility applications.

Comparable / Replacement Models

Trojan J305G US Battery US305XC2 Crown CR-305 Exide GC-6V335 Interstate GC6-335

Always confirm dimensions, terminal style, and electrical specifications before ordering to ensure correct fitment for your equipment.

Technology Highlights

AC Series Plus Series™ Maxguard® Advanced Design Separator Alpha Plus® Paste T2 Technology™ Lead Post Terminal (LPT)

Built for Demanding Use

  • High sustained performance in cyclic applications
  • Durable construction for professional and heavy-duty environments

Suitable for users who need dependable deep-cycle energy storage and consistent output over repeated discharge cycles.

Typical Applications

  • Renewable energy systems
  • Floor cleaning machines
  • Aerial work platforms
  • Golf and utility vehicles
  • Marine systems
  • RV power systems
  • Other demanding deep-cycle applications

Performance Highlights

  • 335Ah (20Hr Rate): Strong long-duration capacity for deep-cycle use
  • 275Ah (5Hr Rate): Reliable higher-load performance
  • Advanced separator technology: Helps support durability and sustained energy output
  • Enhanced paste formulation: Contributes to improved cycle life and dependable operation
  • Heavy-duty construction: Built for demanding industrial and mobility applications
  • Reduced watering frequency: Lower routine maintenance compared with conventional flooded designs
  • Trusted worldwide: Preferred by professionals and off-grid users alike

Important Notice

This is a flooded lead acid deep cycle battery. Proper installation, charging, ventilation, and maintenance are required. Always verify compatibility with your equipment and use the correct charging profile recommended for flooded deep-cycle batteries.

Reliable Power for Demanding Applications

Choose the Trojan J305HC for proven durability, excellent deep-cycle performance, and dependable power delivery. Designed for professionals and serious users, it is an outstanding choice for renewable energy, industrial equipment, golf vehicles, marine systems, and RV applications where endurance and reliability matter most.

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🔋 What’s mAh All About?

mAh stands for milliamp hours—basically, how much "fuel" your battery can hold. A higher or lower mAh than your original battery? No worries! 🙌 It won’t affect charging or operation—just means your device might run a bit longer or shorter between charges. Still 100% compatible. Still 100% awesome. 💪✨

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Technical Specifications

Trojan J305HC – 6V 335Ah Deep Cycle Flooded Lead Acid Battery
Battery Details
Brand Trojan Battery
Model J305HC
Category Deep Cycle Battery
Battery Type Flooded Lead Acid
Voltage 6V
Capacity (20Hr Rate) 335Ah
Capacity (5Hr Rate) 275Ah
Terminal Type LPT (Lead Post Terminal)
Series AC Series / Plus Series™
Technology T2 Technology™ / Maxguard® Advanced Separator
Maintenance Low Maintenance – Watering Required Periodically
Color Maroon / Red Casing
Length 11.66 in (296 mm)
Width 6.94 in (176 mm)
Height 14.76 in (375 mm)
Weight 94 lbs (42.6 kg)
Typical Applications
Applications Renewable Energy Systems, Floor Machines, Aerial Work Platforms, Golf Carts, Marine Power Systems, RV Power Systems
Built for demanding deep cycle use where sustained power, dependable capacity, and long service life are required across commercial, industrial, and mobility applications.
Latest Update: 22 October 2025

Battery Reference & Comparable Models

The references below are listed as comparable battery models for size or class reference. They are not presented as confirmed direct replacements unless separately verified against the required specifications and installation requirements.
Comparable battery models

The following battery references are associated with the same general performance class or market comparison data for the Trojan J305HC:

Trojan J305G US Battery US305XC2 Crown CR-305 Exide GC-6V335 Interstate GC6-335
Application coverage

This battery is commonly used in deep cycle applications where high-capacity 6V flooded lead acid performance is required.

Renewable Energy Floor Machines Aerial Work Platforms Golf Carts Marine Systems RV Power
Key specification reference points

Use these core specifications when comparing the Trojan J305HC against other deep cycle battery models:

6V Nominal 335Ah @ 20Hr 275Ah @ 5Hr Flooded Lead Acid LPT Terminal 296 × 176 × 375 mm 94 lbs
Before matching another model

Check voltage, capacity rating, dimensions, terminal style, installation clearance, charging profile, and maintenance requirements before substituting any comparable battery reference.

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