Schumacher Battery Charger and Maintainer - SPX459
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HomebaseSchumacher Spx459 12V Rugged Battery Charger And Maintainer 6A
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wilkoSchumacher SPX459 6A 12V Battery Charger & Maintainer - Lead Acid & Lithium Batteries
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Schumacher 12V Battery Charger and Maintainer 6AFree delivery in 1–3 days£94.00Visit shop →
Product Information
Full details
The Schumacher SPX459 is a versatile, microprocessor-controlled battery charger and maintainer engineered for automotive enthusiasts and home mechanics who need a reliable solution for 12V lead-acid and lithium batteries. It excels at keeping batteries conditioned during long-term storage, though it is limited to a 6A maximum charging current, making it better suited for maintenance and slow charging rather than rapid emergency jump-starts. With its robust IP64-rated design and compatibility with diverse battery chemistries, it provides a safe, "set-it-and-forget-it" approach to battery longevity.
All features
| Model Part Number | SPX459 |
|---|---|
| Brand | Schumacher |
Extended Product Information
FAQs
Can I leave this charger connected for months?
Yes, the Schumacher SPX459 is designed for long-term maintenance and will automatically switch to a trickle-charge mode once the battery is full.
Is this charger suitable for deep cycle batteries?
Yes, it is compatible with various lead-acid chemistries, including AGM and Gel, which are common in deep-cycle applications.
Will this work on a 24V truck battery?
No, this device is specifically designed for 12V battery systems.
What does the IP64 rating mean?
It indicates the unit is protected against dust ingress and splash water from any direction, making it suitable for garage environments.
Can it charge a completely dead battery?
The SPX459 is a charger/maintainer, not a jump starter. If the battery voltage is too low, the charger may not recognize the connection.
Troubleshooting
Charger does not indicate charging activity
Verify the AC power outlet is functional and check that the cable connections to the battery terminals are clean and secure.
Reverse polarity protection triggered
Disconnect the charger from the battery, ensure the red clamp is on the positive (+) terminal and the black clamp is on the negative (-) terminal, then reconnect.
Charging stops prematurely
The battery may have reached its full capacity, or the built-in thermal protection may have activated if the environment is too hot; allow the unit to cool down.
Pros and Cons
Pros
- Automatic maintenance mode prevents overcharging
- Wide compatibility with lithium and various lead-acid chemistries
- Rugged IP64-rated construction
- Built-in safety features prevent short circuits and reverse polarity
- Easy to switch between connection methods with provided hardware
Cons
- 6A charging speed is relatively slow for large or deeply depleted batteries
- Not intended for emergency jump-starting of dead vehicles
- Limited to 12V systems only
Setup, Compatibility & Care
To set up the device, first determine your preferred connection method: use the clamps for temporary, quick connections, or the ring lugs for a semi-permanent installation on battery terminals.
- Ensure the device is unplugged from the 230V AC outlet.
- Connect the desired output cable to the battery terminals (Red to positive, Black to negative).
- Plug the charger into the AC power source.
- Observe the indicator lights to confirm the charging status.
Care instructions are straightforward: keep the unit clean and dry. While the unit features an IP64 rating, do not submerge the charger in water. Store the cables neatly using the wrap feature or hook to avoid crimping or fraying the insulation over time.