# Varta LL50 · Boat battery 12.8V 50Ah

![Varta LL50 · Boat battery 12.8V 50Ah](https://bateriasonline.es/1939-home_default/varta-ll50.jpg)

> Varta LL50 (ETN 850050000): 50 Ah boat battery, 195×132×183 mm, positive terminal on the right, lithium. Price on request: ask for a free quote.

**Category:** [Marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries) → [Varta](https://bateriasonline.es/en/varta-batteries)

- **Canonical URL**: https://bateriasonline.es/en/varta-ll50
- **Language**: en
- **Brand**: Varta
- **Reference**: BOL-VARTA-LL50
- **EAN**: 4016987166918
- **MPN**: LL50
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Varta |
| Range | VARTA Professional Li-Ion Deep Cycle |
| Application | Boats |
| Technology | Lithium |
| Voltage | 12.8 V |
| Capacity | 50 Ah |
| Length | 195 mm |
| Width | 132 mm |
| Height | 183 mm |
| Weight | 6.8 kg |
| Polarity | Positive terminal on the right |
| Terminal type | M6 |
| Energy | 640 Wh |
| ETN code | 850050000 |

## Quick description

The Varta LL50 (ETN 850 050 000, also written 850050000) is a boat battery with 12.8 V and 50 Ah, measuring 195 × 132 × 183 mm, with the positive terminal on the right.

## Description

## Where the Varta LL50 fits

The Varta LL50 is made for marine use. With 50 Ah, the LL50 suits boats that had a battery of that capacity.
The LL50 belongs to the Varta VARTA Professional Li-Ion Deep Cycle range. [See all Varta batteries](https://bateriasonline.es/en/varta-batteries)

## What it means that the LL50 is lithium

Inside, the LL50 uses LiFePO4 cells protected by a BMS. It includes a battery management system (BMS) that protects the cells against overcharge, over-discharge and temperature.

## Equivalents and alternatives to the Varta LL50

We have no other battery with exactly the dimensions and polarity of the LL50. Browse the rest of our [marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries) to compare close options.

## Part numbers and codes for the Varta LL50

Shops, garages and catalogues identify the LL50 with these codes:

| Commercial reference | LL50 |
|---|---|
| ETN code | 850050000 (also 850 050 000) |
| EAN | 4016987166918 |
| Case size according to Varta | 195x132x183 |
| Base hold-down | B00 |
| Terminal type | M6 |
| Also known as | Varta 850050000 · Varta 850 050 000 |
| Not to be confused with | Varta LA50 (50 Ah, 540 A), Varta LL150 (150 Ah) |

## Before ordering the LL50, check this

- Your current battery should say about 50 Ah; a little more is also fine.
- Polarity of the LL50: positive terminal on the right (if yours has it on the other side, the cables will not reach).
- Measure the space: the LL50 takes up 195 × 132 × 183 mm.

## Frequently asked questions about the Varta LL50

### What is the ETN code of the Varta LL50?

850050000, also written 850 050 000. The ETN (European Type Number) is printed on the label and used in parts catalogues.

### How much does the Varta LL50 weigh?

6.8 kg, with 50 Ah of capacity.

### Which side is the positive terminal on the Varta LL50?

On the LL50, the positive terminal is on the right with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

## Keep comparing: alternatives to the LL50

- [Other marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries)
- [Full Varta catalogue](https://bateriasonline.es/en/varta-batteries)
- [Exide EV1300S/24](https://bateriasonline.es/en/exide-ev1300s-24) · 50 Ah, 307×170×216 mm

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