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TROJAN J305H BATTERY DEEP CYCLE J305H-AC

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Full Product Details
TROJAN J305H BATTERY DEEP CYCLE J305H-AC
The TROJAN J305H BATTERY DEEP CYCLE J305H-AC is your go-to solution for reliable power in various applications, from floor cleaning machines to recreational vehicles. With a legacy dating back to 1925, Trojan Batteries has established itself as a leader in deep-cycle, solar, and motive batteries, renowned for their durability and performance.
Unmatched Performance and Durability
Engineered for rugged use, the TROJAN J305H features advanced T2 Technology, ensuring maximum sustained performance and longevity. This deep-cycle flooded battery is designed to tackle demanding applications with ease, providing you with the power you need when you need it most.
The Trojan Advantage
Trojan continuously innovates to enhance battery technology. Key features of the TROJAN J305H include:
- Smart Carbon Technology for improved charge acceptance.
- Alpha Plus Paste formulation that extends battery life.
- Maxguard Separator for enhanced durability.
These innovations lead to exceptional battery performance, allowing you to rely on Trojan for your power needs.
HydroLink Watering System
Experience the convenience of the HydroLink Watering System, which allows for faster, easier, and safer battery maintenance. With HydroLink, you can water an entire set of batteries in under 30 seconds! Key benefits include:
- Reduction of acid spills.
- Independent water level indicator.
- Internal and external flame arrestors.
- Compatibility with 6V, 8V, and 12V Trojan batteries.
Specifications and Features
The TROJAN J305H BATTERY DEEP CYCLE J305H-AC is designed to enhance productivity with its robust paste formulation, reducing maintenance costs while extending battery life. Key features include:
- Advanced Maxguard Design Separator for longer life.
- Available in two durable case types: Polyon for heavy service and generic for standard applications.
- Heat and corrosion resistant.
- Convenient braided rope handles for easy transport.
- HydroLink single-point watering system option.
- Low self-discharge rate of only 5-15% per month.
- 99% recyclable materials.
Capacity Minutes
Experience impressive capacity ratings:
- @25 Amps: 781 minutes
- @75 Amps: 215 minutes
Warranty
Enjoy peace of mind with a one-year warranty covering the TROJAN J305H.
*Always cross-reference dimensions and specifications to your existing battery before ordering. Terminal types may differ from the image. Please contact us for specific terminal requirements.*
At AMP, we pride ourselves on curating the finest automotive power and care products. The TROJAN J305H BATTERY DEEP CYCLE J305H-AC is just one of the top-quality solutions we offer, ensuring you have the reliable power you need on the road. Power up with the best, shop AMP now.
Customers usually keep this item
This product has fewer returns than average compared to similar products
Pairs well with

If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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SHIPPING
We offer both standard and express shipping. Free express shipping on orders over £80. For our full shipping policy see here.
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FAQ’s
For any and all frequently asked questions regarding ordering or products click here.
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CONTACT
Contact us via info@automotorparts.co.uk or alternatively call us on 0330 122 5848.
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Information
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Technical Specification

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Shop the TROJAN J305H BATTERY DEEP CYCLE J305H-AC for less at AMP
TROJAN J305H BATTERY DEEP CYCLE J305H-AC
The TROJAN J305H BATTERY DEEP CYCLE J305H-AC is your go-to solution for reliable power in various applications, from floor cleaning machines to recreational vehicles. With a legacy dating back to 1925, Trojan Batteries has established itself as a leader in deep-cycle, solar, and motive batteries, renowned for their durability and performance.
Unmatched Performance and Durability
Engineered for rugged use, the TROJAN J305H features advanced T2 Technology, ensuring maximum sustained performance and longevity. This deep-cycle flooded battery is designed to tackle demanding applications with ease, providing you with the power you need when you need it most.
The Trojan Advantage
Trojan continuously innovates to enhance battery technology. Key features of the TROJAN J305H include:
- Smart Carbon Technology for improved charge acceptance.
- Alpha Plus Paste formulation that extends battery life.
- Maxguard Separator for enhanced durability.
These innovations lead to exceptional battery performance, allowing you to rely on Trojan for your power needs.
HydroLink Watering System
Experience the convenience of the HydroLink Watering System, which allows for faster, easier, and safer battery maintenance. With HydroLink, you can water an entire set of batteries in under 30 seconds! Key benefits include:
- Reduction of acid spills.
- Independent water level indicator.
- Internal and external flame arrestors.
- Compatibility with 6V, 8V, and 12V Trojan batteries.
Specifications and Features
The TROJAN J305H BATTERY DEEP CYCLE J305H-AC is designed to enhance productivity with its robust paste formulation, reducing maintenance costs while extending battery life. Key features include:
- Advanced Maxguard Design Separator for longer life.
- Available in two durable case types: Polyon for heavy service and generic for standard applications.
- Heat and corrosion resistant.
- Convenient braided rope handles for easy transport.
- HydroLink single-point watering system option.
- Low self-discharge rate of only 5-15% per month.
- 99% recyclable materials.
Capacity Minutes
Experience impressive capacity ratings:
- @25 Amps: 781 minutes
- @75 Amps: 215 minutes
Warranty
Enjoy peace of mind with a one-year warranty covering the TROJAN J305H.
*Always cross-reference dimensions and specifications to your existing battery before ordering. Terminal types may differ from the image. Please contact us for specific terminal requirements.*
At AMP, we pride ourselves on curating the finest automotive power and care products. The TROJAN J305H BATTERY DEEP CYCLE J305H-AC is just one of the top-quality solutions we offer, ensuring you have the reliable power you need on the road. Power up with the best, shop AMP now.
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FAQs
Please read our FAQs page to find out more.
What is your return policy?
We offer a 30-day return policy, meaning you have 30 days from the date you receive your item to request a return. To qualify, the item must be unused, unworn, in its original condition with tags attached, and in its original packaging. You’ll also need your receipt or proof of purchase. To initiate a return, contact us at info@automotorparts.co.uk, and if approved, we’ll provide a return shipping label and instructions. Returns should be sent to: 125 Deansgate, Manchester, M3 2BY. Note that items sent back without prior approval won’t be accepted. For EU customers, you also have a 14-day cooling-off period to cancel or return your order for any reason, provided the item meets the same conditions.
How do I report a damaged or incorrect item?
If your order arrives defective, damaged, or isn’t what you ordered, please inspect it upon delivery and contact us immediately at info@automotorparts.co.uk. We’ll assess the situation and work quickly to resolve it—whether that means a replacement, refund, or other solution. Your satisfaction is our priority, and we’re here to make it right.
What items cannot be returned?
Some items are non-returnable, including perishable goods (e.g., food, flowers, or plants), custom or personalized products, personal care items (e.g., beauty products), hazardous materials, flammable liquids, or gases. Sale items and gift cards are also non-returnable. If you’re unsure about your specific item, feel free to reach out to us at info@automotorparts.co.uk for clarification.
How does shipping work, and how long will it take?
We ship from our UK location and offer reliable options tailored to your needs:
- UK Shipping: Standard (2-4 business days) or Express (1-3 business days).
- Poland (EU): Standard International (2-11 business days) or Express International (2-7 business days).
- Other International Destinations: Standard International (3-17 business days) to select countries like the UAE, Australia, and Canada—check eligibility at checkout.
Delivery times are estimates and may vary due to location, customs (for international orders), or product specifics (e.g., bulkier items like batteries). Customs duties and taxes, where applicable, are your responsibility. Exact shipping options and times will be shown at checkout.
When will I receive my refund?
Once we receive and inspect your return, we’ll notify you if it’s approved. If approved, your refund will be processed to your original payment method within 10 business days. Depending on your bank or credit card provider, it may take additional time for the refund to appear in your account. If it’s been more than 15 business days since approval and you haven’t seen your refund, please contact us at info@automotorparts.co.uk for assistance.