# Fullriver FT850-94R · Boat battery 12V 85Ah 850A

![Fullriver FT850-94R · Boat battery 12V 85Ah 850A](https://bateriasonline.es/2587-home_default/fullriver-ft850-94r.jpg)

> Fullriver FT850-94R: 85 Ah boat battery, 850 A (EN), 314×174×190 mm, L4 case, AGM. Equivalent to Varta LA80.

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

- **Canonical URL**: https://bateriasonline.es/en/fullriver-ft850-94r
- **Language**: en
- **Brand**: Fullriver
- **Reference**: BOL-FULLRIVER-FT850-94R
- **MPN**: FT850-94R
- **Price**: 350,55 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fullriver |
| Range | Full Throttle Series |
| Application | Boats |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 85 Ah |
| Cold cranking amps (EN) | 850 A |
| Length | 314 mm |
| Width | 174 mm |
| Height | 190 mm |
| Weight | 25.6 kg |
| Terminal type | AP |
| Case size | L4 (315 × 175 × 190 mm) |

## Quick description

Fullriver FT850-94R: boat battery with 12 V, 85 Ah and 850 A cold cranking current, case size L4 (314 × 174 × 190 mm).

## Description

## Who the Fullriver FT850-94R is for

The Fullriver FT850-94R is made for marine use. Fit the FT850-94R securely on board and away from bilge water.
The FT850-94R belongs to the Fullriver Full Throttle Series range. [The full range of Fullriver batteries](https://bateriasonline.es/en/fullriver-batteries)

## Inside the FT850-94R: AGM technology

Inside, the FT850-94R has glass fibre separators (AGM) that hold the electrolyte. The FT850-94R needs a charger with an AGM mode that does not exceed 14.7 V.

## Fullriver FT850-94R vs FT930-65 and FT890-49: differences

What sets the FT850-94R apart from its neighbours in the Fullriver range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Weight |
|---|---|---|---|---|
| Fullriver FT850-94R (this one) | 85 Ah | 850 A | 314 × 174 × 190 | 25.6 kg |
| Fullriver FT930-65 | 75 Ah | 930 A | 300 × 182 × 184 | 24.6 kg |
| Fullriver FT890-49 | 80 Ah | 890 A | 353 × 175 × 190 | 27.7 kg |

- Fullriver FT930-65: 10 Ah less, 80 A more cranking power, a different case (300 × 182 × 184 mm).
- Fullriver FT890-49: 5 Ah less, 40 A more cranking power, a different case (353 × 175 × 190 mm).

## Equivalents and alternatives to the Fullriver FT850-94R

As the FT850-94R is an AGM battery, we only list other AGM batteries with its dimensions and polarity: neither an EFB nor a conventional battery can replace it.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Varta LA80 | AGM | 80 Ah | 800 A | 315 × 175 × 190 |

## Fullriver FT850-94R codes and part numbers

This is how the Fullriver FT850-94R appears on the label and in parts catalogues:

| Commercial reference | FT850-94R |
|---|---|
| Case size (EN) | L4 |
| Terminal type | AP |

## Check this before ordering the Fullriver FT850-94R

- Check the EN amps on your battery: if it says 850 A or less, the FT850-94R covers your engine.
- Your current battery should say about 85 Ah; a little more is also fine.
- The FT850-94R needs 314 × 174 × 190 mm of space (European case size L4): measure it with the hold-down clamp in place.

## Frequently asked questions about the Fullriver FT850-94R

### Fullriver FT850-94R or FT930-65?

Compared with the FT850-94R, the Fullriver FT930-65 has 10 Ah less and 80 A more cranking power. If your current battery says 930 A or more, choose the FT930-65; if it says 850 A or less, the FT850-94R is enough. Mind the space: the FT930-65 measures 300 × 182 × 184 mm.

### How much does the Fullriver FT850-94R weigh?

The FT850-94R weighs 25.6 kg. For reference, the Fullriver FT930-65 (75 Ah) weighs 24.6 kg.

### Which battery is equivalent to the Fullriver FT850-94R?

Only other AGM batteries with its dimensions and polarity: Varta LA80. Neither an EFB nor a conventional battery replaces the FT850-94R.

### What case size is the Fullriver FT850-94R?

Case size L4: 314 × 174 × 190 mm. The FT850-94R fits any standard L4 battery tray such as the Varta LA80.

## Keep comparing: alternatives to the FT850-94R

- [Other marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries)
- [The whole Fullriver range](https://bateriasonline.es/en/fullriver-batteries)
- [Varta LA80](https://bateriasonline.es/en/varta-la80) · 80 Ah, 800 A, 315×175×190 mm

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