# Long WTZ4V · Car battery 12V 3.7Ah

![Long WTZ4V · Car battery 12V 3.7Ah](https://bateriasonline.es/1106-home_default/long-wtz4v.jpg)

> Long WTZ4V: 3.7 Ah car battery, 113×70×85 mm. Equivalent to Long WTZ5S and Long WTZ5S-E. Price on request: ask for a free quote.

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

- **Canonical URL**: https://bateriasonline.es/en/long-wtz4v
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WTZ4V
- **MPN**: WTZ4V
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | Starting Series |
| Application | Cars |
| Voltage | 12 V |
| Capacity | 3.7 Ah |
| Length | 113 mm |
| Width | 70 mm |
| Height | 85 mm |
| Weight | 1.58 kg |

## Quick description

The Long WTZ4V is a car battery with 12 V and 3.7 Ah, measuring 113 × 70 × 85 mm.

## Description

## Who the Long WTZ4V is for

The Long WTZ4V is made for petrol and diesel cars without automatic engine stop. Its job is to start the engine in the cold with margin to spare and keep the car's electronics powered.
At 3.7 Ah it is a small size: the usual choice for petrol superminis and city cars with little equipment. The WTZ4V belongs to the Long Starting Series range. [The full range of Long batteries](https://bateriasonline.es/en/long-batteries)

## Long WTZ4V codes and part numbers

This is how the Long WTZ4V appears on the label and in parts catalogues:

| Commercial reference | WTZ4V |
|---|---|
| Not to be confused with | Long WTZ6V (6 Ah), Long WTZ8V (7 Ah) |

## Long WTZ4V vs WTZ5S, WTZ6V and WTZ6V-E

Torn between the WTZ4V and another similar Long? This is what changes:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WTZ4V (this one) | 3.7 Ah | 113 × 70 × 85 | 1.58 kg |
| Long WTZ5S | 4 Ah | 113 × 70 × 85 | 1.58 kg |
| Long WTZ6V | 6 Ah | 113 × 70 × 106 | 2.07 kg |
| Long WTZ6V-E | 6 Ah | 113 × 70 × 106 | 2.07 kg |
| Long WTZ5S-E | 4 Ah | 113 × 70 × 85 | 1.58 kg |

- Long WTZ5S: 0.30 Ah more, the same dimensions.
- Long WTZ6V: 2.3 Ah more, a different height (106 mm instead of 85 mm). It only fits if there is room for 106 mm of height.
- Long WTZ6V-E: 2.3 Ah more, a different height (106 mm instead of 85 mm). It only fits if there is room for 106 mm of height.
- Long WTZ5S-E: 0.30 Ah more, the same dimensions.

## Equivalents and alternatives to the Long WTZ4V

These batteries share voltage, dimensions and polarity with the WTZ4V, with similar capacity: compare cranking power, technology and price before deciding.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Long WTZ5S | | 4 Ah | 113 × 70 × 85 |
| Long WTZ5S-E | | 4 Ah | 113 × 70 × 85 |
| Long WTZ5S-H | | 4.5 Ah | 113 × 70 × 85 |

## Check this before ordering the Long WTZ4V

- Your current battery should say about 3.7 Ah; a little more is also fine.
- The WTZ4V needs 113 × 70 × 85 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Long WTZ4V

### Long WTZ4V or WTZ5S?

Compared with the WTZ4V, the Long WTZ5S has 0.30 Ah more. With 4 Ah, the WTZ5S runs longer between charges than the WTZ4V (3.7 Ah). Both measure 113 × 70 × 85 mm, so they fit the same tray.

### Long WTZ4V or WTZ6V/WTZ6V-E: what changes?

Mainly the height: the WTZ4V is 85 mm tall and the Long WTZ6V 106 mm, with the same length and width and 6 Ah against 3.7 Ah. The Long WTZ6V-E is 106 mm tall, with 6 Ah and A. Before choosing between the WTZ4V and the WTZ6V, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Long WTZ4V weigh?

The WTZ4V weighs 1.58 kg. For reference, the Long WTZ5S (4 Ah) weighs 1.58 kg.

### Which battery is equivalent to the Long WTZ4V?

With the same dimensions and polarity as the WTZ4V you have the Long WTZ5S, Long WTZ5S-E and Long WTZ5S-H; choose by cold cranking power, technology and price.

## Keep comparing: alternatives to the WTZ4V

- [All motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [The whole Long range](https://bateriasonline.es/en/long-batteries)
- [Long WTZ5S](https://bateriasonline.es/en/long-wtz5s) · 4 Ah, 113×70×85 mm
- [Long WTZ5S-E](https://bateriasonline.es/en/long-wtz5s-e) · 4 Ah, 113×70×85 mm

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