Yuasa Scooter Battery - STS10S
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Product Information
Full details
The Yuasa STS10S is a high-performance 12V AGM VRLA battery designed specifically for scooter and moped enthusiasts who require dependable starting power and long-term durability. Offering 190 CCA and 9.1 Ah capacity, it provides up to 30% more cranking power than standard batteries, though it is exclusively intended for applications compatible with its specific 150 x 87 x 93 mm dimensions and Type 4 terminal configuration.
All features
| Model Part Number | STS10S |
|---|---|
| Brand | Yuasa |
Extended Product Information
FAQs
Does this battery require acid filling?
No, the STS10S is a VRLA AGM battery and comes sealed. It is maintenance-free and never needs to be opened or filled.
Can I mount this battery on its side?
Yes, AGM technology allows for mounting in various orientations without the risk of leaking.
What is the weight of the STS10S?
The battery weighs 3.1 kg.
Is it compatible with a standard trickle charger?
Use a charger specifically designed for AGM batteries to ensure the correct charging voltage and prevent damage.
How often should I check the connections?
It is recommended to inspect the terminal connections for tightness and corrosion every 3 to 6 months.
Troubleshooting
Scooter fails to start
Check that the battery terminals are clean and securely fastened. Measure the voltage; if below 12V, charge the battery using an AGM-compatible charger.
Battery drains quickly
Check for parasitic electrical draws (like forgotten lights or aftermarket accessories) and verify that the scooter's charging system (regulator/rectifier) is functioning.
Pros and Cons
Pros
- Significantly higher cranking power than standard models
- Maintenance-free AGM design
- High vibration and corrosion resistance
- Durable, spill-proof construction
- Compact form factor for space-restricted scooter bays
Cons
- Specific dimension requirements limit cross-compatibility
- Higher initial cost compared to basic flooded batteries
- Requires proper charging profile for AGM technology
Setup, Compatibility & Care
Before installing the STS10S, verify that your scooter's battery compartment matches the 150 x 87 x 93 mm dimensions. To install, ensure your engine is off and the key is removed. Connect the positive terminal first, followed by the negative terminal, ensuring all connections are tight. Because this is a VRLA battery, it is completely sealed and does not require electrolyte topping. To prolong battery life, use a smart charger compatible with AGM batteries if the vehicle will be stored for more than two weeks.