# Long 145G51 · Car battery 12V 150Ah

![Long 145G51 · Car battery 12V 150Ah](https://bateriasonline.es/999-home_default/long-145g51.jpg)

> Long 145G51: 150 Ah car battery, 505×220×257 mm. Price on request: ask for a free quote.

**Category:** [Car batteries](https://bateriasonline.es/en/car-batteries) → [Long](https://bateriasonline.es/en/long-batteries)

- **Canonical URL**: https://bateriasonline.es/en/long-145g51
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-145G51
- **MPN**: 145G51
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | Starting Series |
| Application | Cars |
| Voltage | 12 V |
| Capacity | 150 Ah |
| Length | 505 mm |
| Width | 220 mm |
| Height | 257 mm |
| Weight | 25.8 kg |

## Quick description

The Long 145G51 is a car battery with 12 V and 150 Ah, measuring 505 × 220 × 257 mm.

## Description

## Who the Long 145G51 is for

The Long 145G51 is made for petrol and diesel cars without automatic engine stop. The 145G51 covers the daily routine of a car without automatic engine stop: cold starts, short trips and loads with the ignition off.
At 150 Ah it is a large battery: vans, 4x4s and vehicles with high electrical demand. The 145G51 belongs to the Long Starting Series range. [See all Long batteries](https://bateriasonline.es/en/long-batteries)

## Long 145G51 vs 115F51 and 190H52

How the 145G51 compares with Long batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long 145G51 (this one) | 150 Ah | 505 × 220 × 257 | 25.8 kg |
| Long 115F51 | 120 Ah | 502 × 180 × 255.5 | 20.77 kg |
| Long 190H52 | 200 Ah | 521 × 278 × 270 | 37.9 kg |

- Long 115F51: 30 Ah less, a different case (502 × 180 × 255.5 mm).
- Long 190H52: 50 Ah more, a different case (521 × 278 × 270 mm).

## Equivalents and alternatives to the Long 145G51

No other reference in the catalogue fully matches the dimensions and polarity of the 145G51; you will find the closest ones among our [car batteries](https://bateriasonline.es/en/car-batteries).

## What to look at before buying the 145G51

- With 150 Ah, the 145G51 replaces an original battery of that capacity or slightly less.
- The 145G51 needs 505 × 220 × 257 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Long 145G51

### Long 145G51 or 115F51?

Compared with the 145G51, the Long 115F51 has 30 Ah less. With 150 Ah, the 145G51 runs longer between charges than the 115F51 (120 Ah). Mind the space: the 115F51 measures 502 × 180 × 255.5 mm.

### How much does the Long 145G51 weigh?

The 145G51 weighs 25.8 kg. For reference, the Long 115F51 (120 Ah) weighs 20.77 kg.

### What are the dimensions and weight of the Long 145G51?

It measures 505 × 220 × 257 mm and weighs 25.8 kg. Compare these figures with the tray and the hold-down clamp before ordering.

## Keep comparing: alternatives to the 145G51

- [More car batteries](https://bateriasonline.es/en/car-batteries)
- [More Long models](https://bateriasonline.es/en/long-batteries)
- [Long 210H52](https://bateriasonline.es/en/long-210h52) · 210 Ah, 518×276×242 mm

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*bateriasonline.es — Batteries and accessories · 2026-11-10*