Tudor

Tudor TZ800 · Boat battery 12V 95Ah 800A

Reference: BOL-TUDOR-TZ800 · EAN 3661024057813

The Tudor TZ800 is a boat battery with 12 V, 95 Ah and 800 A cold cranking current, case size D31 (306 × 173 × 222 mm), with the positive terminal on the left.

Voltage
12V
Capacity
95Ah
Cold cranking amps (EN)
800A
Technology
EFB
Dimensions (L × W × H)
306 × 173 × 222 mm
Polarity
Positive terminal on the left
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Who the Tudor TZ800 is for

The Tudor TZ800 is a battery for boats: engine starting or on-board service, depending on its design, with resistance to damp and hull vibration. Check whether your boat needs starting, service or a dual-purpose battery before choosing.

The TZ800 belongs to the Tudor TUDOR Marina & Leisure Dual EFB range. The full range of Tudor batteries

EFB technology in the TZ800

The TZ800 is an EFB: flooded lead-acid with reinforced plates and separators for Start-Stop. Compared with a conventional battery, the TZ800 withstands far more starts and partial discharges.

Tudor TZ800 vs TZ650

Torn between the TZ800 and another similar Tudor? This is what changes:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Tudor TZ800 (this one)95 Ah800 A306 × 173 × 222left21.8 kg
Tudor TZ65075 Ah750 A260 × 173 × 222left19 kg
  • Tudor TZ650: 20 Ah less, 50 A less cranking power, a different case (260 × 173 × 222 mm).

Equivalents and alternatives to the Tudor TZ800

Alternatives to the TZ800 with its dimensions and polarity, in EFB or AGM only: a conventional battery cannot cope with the Start-Stop cycles an EFB is built for.

ModelTechnologyCapacityCold cranking (EN)Dimensions (mm)
Exide EZ800EFB95 Ah800 A306 × 173 × 222

Tudor TZ800 codes and part numbers

Look for any of these TZ800 codes on your current battery or in the manufacturer's catalogue:

Commercial referenceTZ800
EAN3661024057813
Case size (EN)D31
Terminal typeEN taper post
Not to be confused withTudor TL800 (80 Ah, 800 A, positive terminal on the right), Tudor TZ600 (70 Ah, 760 A, positive terminal on the right), Tudor TZ850 (100 Ah, 900 A, positive terminal on the right)

What to look at before buying the TZ800

  • Check the EN amps on your battery: if it says 800 A or less, the TZ800 covers your engine.
  • Your current battery should say about 95 Ah; a little more is also fine.
  • With the terminals facing you, the positive terminal of the TZ800 is on the left.
  • The TZ800 needs 306 × 173 × 222 mm of space (European case size D31): measure it with the hold-down clamp in place.

Frequently asked questions about the Tudor TZ800

Tudor TZ800 or TZ650?

Compared with the TZ800, the Tudor TZ650 has 20 Ah less and 50 A less cranking power. The TZ800 cranks harder; the TZ650 is only a good option if your original battery says 750 A or less. Mind the space: the TZ650 measures 260 × 173 × 222 mm.

How much does the Tudor TZ800 weigh?

The TZ800 weighs 21.8 kg. For reference, the Tudor TZ650 (75 Ah) weighs 19 kg.

Which battery is equivalent to the Tudor TZ800?

In EFB or AGM, with its dimensions and polarity: Exide EZ800. A conventional battery does not replace the TZ800.

What case size is the Tudor TZ800?

Case size D31: 306 × 173 × 222 mm. The TZ800 fits any standard D31 battery tray such as the Exide EZ800.

Which side is the positive terminal on the Tudor TZ800?

The TZ800 has the positive terminal on the left, looking at the battery from its long side with the terminals closest to you.

Keep comparing: alternatives to the TZ800

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