At a glance: For solar power systems there is the Trojan 27-GEL, carrying a 91Ah 12V rating. The code 27-GEL on your old label is the quickest confirmation.
12VVolts
91AhAmp-hours at C20
29 kgWeight
Trojan 27-GEL: what it is and who it suits
Off-grid cabins, irrigation pumps and remote telecom sites often store their energy in a Trojan 27-GEL. Voltage, capacity and published cycle life are the numbers that count in renewables, and each one is below. Batteries online for solar storage are best chosen by exact model.
91Ah makes it a smaller battery, good for light electrical loads.
Trojan 27-GEL data sheet
Practical advice for solar power systems
A farm's electric fence system depends on stored solar energy after dark. Check torque on all terminal connections once a year. Leaving the bank part-charged for weeks invites sulphation.
The gel technology explained
Nothing can spill from a gel cell, because the electrolyte no longer flows. Solar storage benefits from gel's patience with repeated cycling. Recharge a gel battery soon after each discharge rather than leaving it empty.
Quick compatibility checklist
- ✓ 91Ah sets how long the battery can power things with the engine off.
- ✓ A different chemistry from gel may need system changes.
- ✓ Make room for 324 × 171 × 234 mm, including clearance above the posts.
Frequently asked questions
Can one person lift this battery?
At 29 kg, it is manageable for one person with care. Keep it upright while moving it.
How should I store the Trojan 27-GEL if I don't fit it immediately?
Yes, gradually. Lead batteries lose a little charge each month, lithium much less. A quick charge before use is a good idea.
Will the Trojan 27-GEL fit my battery space?
Length, width and height are 324 × 171 × 234 mm, and the weight is 29 kg. Compare with the space available, including clearance above the posts.
Is the Trojan 27-GEL a 12V battery?
Yes, 12V with 91Ah. Two in series would give double the voltage.
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Prefer to order now and fit at the weekend? baterias.online makes that easy. Checking the terminal side takes ten seconds and saves a lot of bother.
