Trojan J305HG-AC 6V Flooded Lead Acid Battery

Compatible Model Numbers

Always check your existing battery model, voltage, dimensions, terminal type, and required capacity before ordering.

Typical Applications

• Marine deep cycle power systems
• Solar and renewable energy storage
• Floor cleaning machines and scrubbers
• Motive power equipment
• Industrial battery-powered equipment
• Utility vehicles and specialist electric equipment

Performance Ratings

• Capacity @ 25 Amps: 781 minutes
• Capacity @ 75 Amps: 215 minutes
• 5-Hour Capacity: 295Ah
• 10-Hour Capacity: 331Ah
• 20-Hour Capacity: 360Ah
• 100-Hour Capacity: 400Ah
• Energy: 2.40kWh

Charging Information

• 6V Bulk Charge: 7.41V
• 6V Float Charge: 6.75V
• 6V Equalize Charge: 8.10V
• Operating Temperature: -4°F to 113°F / -20°C to +45°C
• Self-Discharge: 5–15% per month depending on storage temperature
• Important: Do not install or charge flooded batteries in sealed or non-ventilated compartments.

Terminal Details

• Terminal Type: 7 / UT Universal Terminal
• Terminal Height: 1.10 in / 28mm
• Bolt Size: 5/16"
• Torque Value: 95–105 in-lb / 11–12Nm

Product Highlights

• Battery Format: 6V flooded deep cycle battery
• Capacity: 360Ah at 20-hour rate
• Durable Case: Polypropylene maroon battery case
• Easy Handling: Braided rope handles for carrying
• Recyclability: 99% recyclable
• Maintenance: Compatible with HydroLink™ single-point watering system

J305HG-AC Battery FAQs

• Is the Trojan J305HG-AC rechargeable?
  Yes. This is a rechargeable 6V flooded lead acid deep cycle battery.
• What is the 20-hour capacity?
  The J305HG-AC is rated at 360Ah at the 20-hour rate.
• What type of battery is the J305HG-AC?
  It is a flooded / wet lead-acid deep cycle battery designed for high-capacity motive and energy storage applications.
• Can this battery be installed in a sealed compartment?
  No. Flooded lead acid batteries must not be installed or charged in sealed or non-ventilated compartments.

Maintenance & Storage Notes

• Maintain correct electrolyte levels according to manufacturer guidance.
• Use only suitable chargers designed for flooded lead acid deep cycle batteries.
• At temperatures below 32°F / 0°C, maintain state of charge above 60%.
• Store in a cool, dry, ventilated area away from sparks and flames.
• Recharge during storage to prevent excessive self-discharge.

Bulk Orders & Trade Pricing

Need larger quantities of the Trojan J305HG-AC 6V flooded deep cycle battery? Bulk and trade pricing may be available for fleet, industrial, marine, solar, and floor-cleaning equipment customers. Please contact us for a custom quote on volume requirements.

Reliable Trojan 6V Deep Cycle Battery Power

The Trojan J305HG-AC is a powerful 6V flooded lead acid deep cycle battery engineered for demanding energy storage and motive power applications. With strong capacity ratings, durable construction, Trojan’s AC Series™ design, and compatibility with HydroLink™ watering, it is an excellent choice for users who need dependable long-cycle performance from a trusted battery manufacturer.