# Tudor TJ165A1 · Truck battery 12V 165Ah 850A

![Tudor TJ165A1 · Truck battery 12V 165Ah 850A](https://bateriasonline.es/2435-home_default/tudor-tj165a1.jpg)

> Tudor TJ165A1: 165 Ah truck battery, 850 A (EN), 354×241×285 mm. Equivalent to Exide EJ165A and Deta DJ165A.

**Category:** [Truck, commercial and agricultural vehicle batteries](https://bateriasonline.es/en/truck-agricultural-batteries) → [Tudor](https://bateriasonline.es/en/tudor-batteries)

- **Canonical URL**: https://bateriasonline.es/en/tudor-tj165a1
- **Language**: en
- **Brand**: Tudor
- **Reference**: BOL-TUDOR-TJ165A1
- **EAN**: 3661024055512
- **MPN**: TJ165A1
- **Price**: 677,87 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Tudor |
| Range | TUDOR START PRO (HD) |
| Application | Trucks and commercial vehicles |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 165 Ah |
| Cold cranking amps (EN) | 850 A |
| Length | 354 mm |
| Width | 241 mm |
| Height | 285 mm |
| Weight | 45.3 kg |
| Terminal layout | 6 |

## Quick description

Tudor TJ165A1: truck battery with 12 V, 165 Ah and 850 A cold cranking current, measuring 354 × 241 × 285 mm.

## Description

## The Tudor TJ165A1 at a glance

The Tudor TJ165A1 turns heavy diesel engines and powers cabs with high consumption. With 165 Ah, the TJ165A1 suits heavy vehicles that had a battery of that capacity.
The TJ165A1 belongs to the Tudor TUDOR START PRO (HD) range. [The full range of Tudor batteries](https://bateriasonline.es/en/tudor-batteries)

## What it means that the TJ165A1 is lead-acid

Inside, the TJ165A1 is classic lead-acid: liquid electrolyte and lead plates. It is a robust, well-known technology with a good capacity-to-price ratio, and still the basis of most cars, trucks and traction equipment.

## Tudor TJ165A1 vs TG145A and TG1250: differences

The real differences between the TJ165A1 and the closest Tudor models:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Weight |
|---|---|---|---|---|
| Tudor TJ165A1 (this one) | 165 Ah | 850 A | 354 × 241 × 285 | 45.3 kg |
| Tudor TG145A | 145 Ah | 1,000 A | 360 × 253 × 240 | 38.1 kg |
| Tudor TG1250 | 125 Ah | 760 A | 349 × 175 × 285 | 29.5 kg |

- Tudor TG145A: 20 Ah less, 150 A more cranking power, a different case (360 × 253 × 240 mm).
- Tudor TG1250: 40 Ah less, 90 A less cranking power, a different case (349 × 175 × 285 mm).

## Equivalents and alternatives to the Tudor TJ165A1

Batteries that fit the TJ165A1's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the TJ165A1.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide EJ165A | Lead-acid | 165 Ah | 850 A | 354 × 241 × 285 |
| Deta DJ165A | Lead-acid | 165 Ah | 850 A | 354 × 241 × 285 |

## Part numbers and codes for the Tudor TJ165A1

Shops, garages and catalogues identify the TJ165A1 with these codes:

| Commercial reference | TJ165A1 |
|---|---|
| EAN | 3661024055512 |

## Before ordering the TJ165A1, check this

- The TJ165A1 delivers 850 A cold cranking (EN standard); do not go below what your original battery states.
- Capacity of the TJ165A1: 165 Ah; the same as your current battery or slightly more is fine.
- The TJ165A1 needs 354 × 241 × 285 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Tudor TJ165A1

### TJ165A1 or TG145A: which one suits me?

Compared with the TJ165A1, the Tudor TG145A has 20 Ah less and 150 A more cranking power. If your current battery says 1,000 A or more, choose the TG145A; if it says 850 A or less, the TJ165A1 is enough. Mind the space: the TG145A measures 360 × 253 × 240 mm.

### How much does the Tudor TJ165A1 weigh?

45.3 kg, with 165 Ah of capacity. For reference, the Tudor TG145A (145 Ah) weighs 38.1 kg.

### Which battery is equivalent to the Tudor TJ165A1?

With the same dimensions, polarity and similar capacity you have the Exide EJ165A and Deta DJ165A. As the TJ165A1 is a conventional battery, an EFB or AGM of the same size also works.

## Keep comparing: alternatives to the TJ165A1

- [Other truck, commercial and agricultural vehicle batteries](https://bateriasonline.es/en/truck-agricultural-batteries)
- [Full Tudor catalogue](https://bateriasonline.es/en/tudor-batteries)
- [Exide EJ165A](https://bateriasonline.es/en/exide-ej165a) · 165 Ah, 850 A, 354×241×285 mm
- [Deta DJ165A](https://bateriasonline.es/en/deta-dj165a) · 165 Ah, 850 A, 354×241×285 mm

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