# Trojan 8V-GEL · Solar battery 8V 140Ah

![Trojan 8V-GEL · Solar battery 8V 140Ah](https://bateriasonline.es/3342-home_default/trojan-8v-gel.jpg)

> Trojan 8V-GEL: 140 Ah solar battery, 262×181×276 mm, GEL. Compare sizes and equivalents; 14-day returns.

**Category:** [Solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries) → [Trojan](https://bateriasonline.es/en/trojan-batteries)

- **Canonical URL**: https://bateriasonline.es/en/trojan-8v-gel
- **Language**: en
- **Brand**: Trojan
- **Reference**: BOL-TROJAN-8V-GEL
- **MPN**: 8V-GEL
- **Price**: 824,28 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Trojan |
| Range | TROJAN GEL |
| Application | Solar and off-grid systems |
| Technology | GEL |
| Voltage | 8 V |
| Capacity | 140 Ah |
| Length | 262 mm |
| Width | 181 mm |
| Height | 276 mm |
| Weight | 32 kg |

## Quick description

The Trojan 8V-GEL is a solar battery with 8 V and 140 Ah, measuring 262 × 181 × 276 mm.

## Description

## The Trojan 8V-GEL at a glance

The Trojan 8V-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 8V-GEL belongs to the Trojan TROJAN GEL range. [The full range of Trojan batteries](https://bateriasonline.es/en/trojan-batteries)

## GEL technology in the 8V-GEL

The 8V-GEL is a gel battery: the electrolyte is immobilised in silica gel. It requires a charger with a specific gel profile.

## Equivalents and alternatives to the Trojan 8V-GEL

No other reference in the catalogue fully matches the dimensions and polarity of the 8V-GEL; you will find the closest ones among our [solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries).

## Trojan 8V-GEL codes and part numbers

The 8V-GEL is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | 8V-GEL |
|---|---|
| Not to be confused with | Trojan 6V-GEL (189 Ah), Trojan 8D-GEL (225 Ah) |

## Before ordering the 8V-GEL, check this

- With 140 Ah, the 8V-GEL replaces an original battery of that capacity or slightly less.
- Length, width and height of the 8V-GEL: 262 × 181 × 276 mm.

## Frequently asked questions about the Trojan 8V-GEL

### How much does the Trojan 8V-GEL weigh?

The 8V-GEL weighs 32 kg.

### Which regulator do I need?

One with a profile for the battery technology (AGM, gel, flooded or lithium) and temperature compensation. MPPT regulators get more out of the panels.

### What are the dimensions and weight of the Trojan 8V-GEL?

It measures 262 × 181 × 276 mm and weighs 32 kg. Compare these figures with the tray and the hold-down clamp before ordering.

## More batteries to compare with the 8V-GEL

- [All solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries)
- [Full Trojan catalogue](https://bateriasonline.es/en/trojan-batteries)
- [Trojan TE35-GEL](https://bateriasonline.es/en/trojan-te35-gel) · 210 Ah, 245×191×271 mm

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*bateriasonline.es — Batteries and accessories · 2026-11-11*