12VVolts
89AhCapacity, 20-hour rate (C20)
29 kgBattery weight
At a glance: Here is the Trojan 27-AGM in one line: solar power systems, 89Ah 12V. Matching technology keeps the charging system happy.
Practical advice for solar power systems
A boat moored with a solar panel keeps its battery topped up slowly. Use a battery monitor to track daily depth of discharge. After many years of daily cycling, every solar bank eventually fades.
Technical figures at a glance
What AGM means for you
Tightly packed plates and mats give glass-mat batteries a sturdy inner structure. Low internal resistance lets AGM deliver strong bursts of current on demand. Replace an AGM battery whose case has bulged.
Common questions about the Trojan 27-AGM
What size is the Trojan 27-AGM and how much does it weigh?
At 306 × 174 × 237 mm, measure the tray or compartment carefully. Plan the lift too: 29 kg is heavier than it looks.
What are the voltage and capacity of this model?
Nominal voltage is 12V and capacity 89Ah. Wiring two in series doubles the voltage, while parallel wiring doubles the capacity.
Buying the Trojan 27-AGM online
Spotted Trojan 27-AGM on your installer's plan? That is the code to search. Deep-cycle construction lets it be drained and refilled daily. Buying batteries online lets you compare capacities calmly before committing to a bank.
For solar power systems, 89Ah is on the compact side.
Related products and ranges
Happy with the fit? Ordering the Trojan 27-AGM at baterias.online is quick. Once the battery is in, keep the old one for recycling at an authorised point.
Quick compatibility checklist
- ✓ Check 306 × 174 × 237 mm against the tray, not just the old battery.
- ✓ Rated 89Ah: check that the charger or alternator in your system can refill a battery of that capacity in reasonable time.
- ✓ Technology to match: AGM. Moving to a different chemistry may need settings changed in your system.
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