UPLUS UP9-4(J) 12V 8Ah motorcycle battery
Product description
This sealed AGM motorcycle battery delivers reliable starting power for small bikes, scooters and ATVs, combining a compact 12 V 8 Ah capacity with a rated cold cranking ability for everyday use. It is aimed at users who need a maintenance-free replacement with good vibration resistance and proven lead purity for steadier charging and service life.
Key Points
The battery is maintenance-free and uses absorbed glass mat construction to reduce the risk of leaks while keeping the unit sealed. According to the manufacturer it is made from 99.99% pure primary lead, which is claimed to improve charge acceptance and reduce harmful emissions during charging. The unit is suitable as a replacement for common OEM part numbers such as CTZ9S and GTZ9S, among others, so confirm compatibility with your vehicle before ordering. ⚙️
Technical Specifications


- Name: UPLUS UP9-4(J)
- Voltage: 12 V
- Capacity: 8 Ah
- CCA (EN): 120 A
- Dimensions: 150 L x 87 W x 105 H (mm)
- Weight: 3 kg
- Polarity: [+,-]
Benefits
This model offers strong low-temperature starting performance and is specified to start at temperatures down to -30°C, which can be useful for riders in colder climates. The sealed design reduces maintenance tasks and avoids the need to add water, which is convenient for regular commuters and leisure riders alike. The construction also emphasises vibration resistance, helping the battery endure off-road use on ATVs or bumpy roads on scooters. 🔋
Usage Recommendations
Check the battery polarity and physical dimensions against your machine before fitting, as the compact size is aimed at smaller powersport machines. Allow the battery to charge fully before first use according to the charger manufacturer’s guidance, and store it in a cool, dry place if not fitted for extended periods. Note that the stated warranty and after-sales support are handled locally in Leicestershire according to the supplier, and the product description references a 15 month warranty and a 60 day refund window as provided by the seller. 🛠️
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