Trojan
Trojan 31-GEL · Solar battery 12V 102Ah
Reference: BOL-TROJAN-31-GEL · EAN 8404653001339
Trojan 31-GEL: solar battery with 12 V and 102 Ah, measuring 329 × 171 × 245 mm.
Trojan 31-GEL · Solar battery 12V 102Ah images
- Voltage
- 12V
- Capacity
- 102Ah
- Technology
- GEL
- Dimensions (L × W × H)
- 329 × 171 × 245 mm
Price:
€777.63
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14 days to return your order
If it does not fit, you have 14 days from delivery to return it unused.
The Trojan 31-GEL at a glance
The Trojan 31-GEL is a deep-cycle battery for off-grid solar systems: it stores the day's energy for use at night and withstands years of charge and discharge cycles. Its capacity is rated at 20 hours (C20); at slower discharge rates the usable capacity is higher.
The 31-GEL belongs to the Trojan TROJAN GEL range. See all Trojan batteries
Equivalents and alternatives to the Trojan 31-GEL
We have no other battery with exactly the dimensions and polarity of the 31-GEL. Browse the rest of our solar batteries for off-grid systems to compare close options.
Trojan 31-GEL vs 27-GEL and 5SHP-GEL: which one to choose?
What sets the 31-GEL apart from its neighbours in the Trojan range:
| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Trojan 31-GEL (this one) | 102 Ah | 329 × 171 × 245 | 32 kg |
| Trojan 27-GEL | 91 Ah | 324 × 171 × 234 | 29 kg |
| Trojan 5SHP-GEL | 125 Ah | 345 × 171 × 283 | 39 kg |
- Trojan 27-GEL: 11 Ah less, a different case (324 × 171 × 234 mm).
- Trojan 5SHP-GEL: 23 Ah more, a different case (345 × 171 × 283 mm).
What it means that the 31-GEL is GEL
The 31-GEL is a gel battery: the electrolyte is immobilised in silica gel. The 31-GEL handles repeated deep discharges well, its strong point compared with an AGM.
Before ordering the 31-GEL, check this
- The 31-GEL needs 329 × 171 × 245 mm of space: measure it with the hold-down clamp in place.
- With 102 Ah, the 31-GEL replaces an original battery of that capacity or slightly less.
Part numbers and codes for the Trojan 31-GEL
Look for any of these 31-GEL codes on your current battery or in the manufacturer's catalogue:
| Commercial reference | 31-GEL |
|---|---|
| EAN | 8404653001339 |
Frequently asked questions about the Trojan 31-GEL
31-GEL or 27-GEL: which one suits me?
Compared with the 31-GEL, the Trojan 27-GEL has 11 Ah less. With 102 Ah, the 31-GEL runs longer between charges than the 27-GEL (91 Ah). Mind the space: the 27-GEL measures 324 × 171 × 234 mm.
How much does the Trojan 31-GEL weigh?
32 kg, with 102 Ah of capacity. For reference, the Trojan 27-GEL (91 Ah) weighs 29 kg.
How far can I discharge the Trojan 31-GEL each day?
To make it last years, do not go below 50% routinely. Size the bank so daily consumption is half the installed capacity.
More batteries to compare with the 31-GEL
- More solar batteries for off-grid systems
- The whole Trojan range
- Trojan 24-GEL · 77 Ah, 276×171×236 mm
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