Exide

Exide AGM12-8 YTZ10S · Motorcycle battery 12V 8.6Ah 145A

Reference: BOL-EXIDE-AGM12-8 · EAN 3661024034005

The Exide AGM12-8 (JIS YTZ10S) is a motorcycle battery (AGM) with 12 V, 8.6 Ah and 145 A cold cranking current, measuring 150 × 90 × 95 mm, with the positive terminal on the left.

Voltage
12V
Capacity
8.6Ah
Cold cranking amps (EN)
145A
Technology
AGM
Dimensions (L × W × H)
150 × 90 × 95 mm
Polarity
Positive terminal on the left
Price: €47.04
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The Exide AGM12-8 at a glance

The Exide AGM12-8 is made for motorcycles, scooters and quads. It handles frame vibration and idle periods better than an adapted car battery.

At 8.6 Ah it covers mid-capacity motorcycles, large scooters and light quads. The AGM12-8 belongs to the Exide EXIDE MOTORCYCLE AGM 12V range. The full range of Exide batteries

Exide AGM12-8 codes and part numbers

Shops, garages and catalogues identify the AGM12-8 with these codes:

Commercial referenceAGM12-8
JIS codeYTZ10S, 12N7E-4B, YTX7A-BS, YTX9-BS, YTZ10-BS
EAN3661024034005
Terminal typeM12
Not to be confused withExide AGM12-18 (18 Ah, 250 A, positive terminal on the right), Exide AGM12-4 (3 Ah, 50 A, positive terminal on the right), Exide AGM12-5 (4 Ah, 70 A, positive terminal on the right)

Equivalents and alternatives to the Exide AGM12-8

As the AGM12-8 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.

ModelTechnologyCapacityCold cranking (EN)Dimensions (mm)
Varta TZ10S (FA)AGM9 Ah150 A150 × 87 × 93
Varta TTZ10S-BSAGM8 Ah150 A150 × 87 × 93
Exide ETZ10-BSAGM9 Ah145 A150 × 90 × 95

Exide AGM12-8 vs ETZ10-BS, AGM12-10 and ETX12-BS: which one to choose?

Torn between the AGM12-8 and another similar Exide? This is what changes:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Exide AGM12-8 (this one)8.6 Ah145 A150 × 90 × 95left3.4 kg
Exide ETZ10-BS9 Ah145 A150 × 90 × 95left3.4 kg
Exide AGM12-1010 Ah150 A150 × 90 × 130left3.9 kg
Exide ETX12-BS10 Ah150 A150 × 90 × 130left3.9 kg
Exide AGM12-66 Ah90 A150 × 90 × 95left2.5 kg
  • Exide ETZ10-BS: 0.40 Ah more, the same cranking power, the same dimensions.
  • Exide AGM12-10: 1.40 Ah more, 5 A more cranking power, a different height (130 mm instead of 95 mm). It only fits if there is room for 130 mm of height.
  • Exide ETX12-BS: 1.40 Ah more, 5 A more cranking power, a different height (130 mm instead of 95 mm). It only fits if there is room for 130 mm of height.
  • Exide AGM12-6: 2.60 Ah less, 55 A less cranking power, the same dimensions.

Before ordering the AGM12-8, check this

  • The AGM12-8 needs 150 × 90 × 95 mm of space: measure it with the hold-down clamp in place.
  • The AGM12-8 has the positive terminal on the left: compare it with your current battery.
  • Your current battery should say about 8.6 Ah; a little more is also fine.
  • Check the EN amps on your battery: if it says 145 A or less, the AGM12-8 covers your engine.

Frequently asked questions about the Exide AGM12-8

Exide AGM12-8 or ETZ10-BS?

Compared with the AGM12-8, the Exide ETZ10-BS has 0.40 Ah more. With the same cranking power (145 A), the AGM12-8 and the ETZ10-BS differ in capacity: the one with more Ah supports more load with the engine off. Both measure 150 × 90 × 95 mm, so they fit the same tray.

Exide AGM12-8 or AGM12-10/ETX12-BS: what changes?

Mainly the height: the AGM12-8 is 95 mm tall and the Exide AGM12-10 130 mm, with the same length and width. In capacity and cranking power, the AGM12-10 offers 10 Ah and 150 A against 8.6 Ah and 145 A. The Exide ETX12-BS is 130 mm tall, with 10 Ah and 150 A. Before choosing between the AGM12-8 and the AGM12-10, measure the free height of the battery compartment with the cover or bonnet closed.

How much does the Exide AGM12-8 weigh?

The AGM12-8 weighs 3.4 kg. For reference, the Exide ETZ10-BS (9 Ah) weighs 3.4 kg.

Which battery is equivalent to the Exide AGM12-8?

Only other AGM batteries with its dimensions and polarity: Varta TZ10S (FA), Varta TTZ10S-BS and Exide ETZ10-BS. Neither an EFB nor a conventional battery replaces the AGM12-8.

Which side is the positive terminal on the Exide AGM12-8?

The AGM12-8 has the positive terminal on the left, looking at the battery from its long side with the terminals closest to you.

Which charger does the Exide AGM12-8 need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

AGM technology in the AGM12-8

Inside, the AGM12-8 has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

More batteries to compare with the AGM12-8

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