Trojan Trojan Ref. BON-TROJAN-J305-AGM

Trojan J305-AGM battery for solar energy storage, rated 310Ah 6V

Nominal voltage
6V
Capacity, 20-hour rate
310Ah
Dimensions (mm)
296×176×358
Battery technology
AGM
Price: €844.08
Tax included

VAT incl.Free shipping to mainland Spain

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Shipping and lead times

  • Mainland Spain1-2 working days · order before 17:00Free
  • Express «14 horas»Next day before 16:00 · order before 17:30By weight
  • Balearic Islands1-3 working daysBy weight
  • Portugal3-4 working daysBy weight
  • Europe: FR, IT, DE, BE, NL1-5 working daysBy weight

Canary Islands, Ceuta and Melilla: ask us.

Payment: Bank transferCash on delivery (+4 %, min. €4)

EU businesses with a VAT number: buy without VAT.

Not sure about size or reference? Write to us

6VVolts
310AhCapacity, 20-hour rate (C20)
44 kgBattery weight

Quick answer: One code, one battery: Trojan J305-AGM, 310Ah 6V, for solar power systems. Measure twice, order once: dimensions decide most swaps.

Measurements, ratings and codes

BrandTrojan
Part numberJ305-AGM
RangeTROJAN AGM RELIANT
Used forsolar power systems
Volts6V
Capacity, 20-hour rate (C20)310Ah
ChemistryAGM
Size L × W × H296 × 176 × 358 mm
Battery weight44 kg
Terminals5, 6, 15

Fitting and everyday care

A week of fog in the hills tests every solar battery bank. Add temperature compensation if the batteries live in a room that swings from hot to cold. A bank that runs out earlier each evening has lost capacity.

Trojan J305-AGM for solar power systems

Spotted Trojan J305-AGM on your installer's plan? That is the code to search. Built with AGM technology, it suits systems charged by the sun every day. Planning a bank is easier with every model's figures on one screen.

310Ah is right in the usual range for solar power systems.

Answers before you buy

Is AGM the same as the battery I have now?

Most smart chargers have a mode for AGM. Select it before charging; an unsuitable programme can shorten battery life.

Are the terminals of this battery standard?

Terminal type: 5, 6, 15. Compare with the posts or tabs on your current battery.

Are there other sizes in the same series?

Yes, TROJAN AGM RELIANT includes other sizes. The brand page lists them.

Before you order: a quick checklist

  • ✓ These are 5, 6, 15 terminals. Photograph the old ones before ordering to compare side by side.
  • ✓ A different chemistry from AGM may need system changes.
  • ✓ Dimensions to compare: 296 × 176 × 358 mm. Do not forget the base ledge, which the hold-down clamp grips on many vehicles.

Explore more

Keep the code J305-AGM handy for next time: it makes reordering at baterias.online quick. A minute spent comparing the label of your old battery avoids most mistakes.

What AGM means for you

Many glass-mat designs tolerate sideways mounting, as long as the maker says so. Motorcycles benefit from glass-mat batteries because they tolerate lean angles and vibration. Over winter, a smart unit set to its AGM programme keeps a glass-mat battery healthy with no effort.

  • Brand
  • Reference
    BON-TROJAN-J305-AGM
  • MPN
    J305-AGM

Specifications

BrandTrojan
Product lineTROJAN AGM RELIANT
Used forSolar power systems
Battery technologyAGM
Nominal voltage6V
Capacity, 20-hour rate310Ah
Length296 mm
Width176 mm
Height358 mm
Weight44 kg
Terminals5, 6, 15

Documents

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