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YTR4A-BS gel motorcycle battery shown from the front with both terminals

Maintenance-free AGM · YTR4A-BS

YTR4A-BS Gel Motorcycle Battery

12 V, 2.5 Ah battery with 50 A cold cranking amps, replacing the YTR4A-BS. Sealed gel technology, maintenance-free.

  • 12 V · 2.5 Ah
  • 50 A CCA

€17.22 VAT included · Satkit price checked on 7 October 2026

Where to buyfrom €17.22

Prices incl. VAT checked on 7 October 2026; they may change.

  • Maintenance-freeSealed: never needs topping up

Specifications

Equivalent to
YTR4A-BS
Voltage
12 V
Capacity
2.5 Ah
Cold cranking amps (CCA)
50 A at −18 °C
Dimensions
114 × 49 × 86 mm
Technology
Sealed gel, maintenance-free
Weight
1.1 kg

About this battery

Sealed battery to fit the YTR4A-BS compartment: it never needs topping up and has no vent tube.

To charge it, use a smart motorcycle battery charger: the recommended current is around 0.2 A (capacity divided by 10), and never more than 3 A.

For dimensions, a terminal diagram and similar battery codes, see the YTR4A-BS battery part number page.

Related guide

Buying guide · The basics · 16 min read

How to choose a motorcycle battery: code, dimensions and type

To get it right, you need four details: the battery part number, dimensions, which side the positive terminal is on, and cold cranking amps and capacity that match or exceed the original. Here’s how to find each one, which battery type suits your motorcycle, and how to look after it so it lasts.

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