Ring RSC904T SMARTCHARGE 4 Charger & Maintainer
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Unit 24 Rothersthorpe Cres, Rothersthorpe Avenue Ind Estate
Northampton
NN4 8JD, UK
Mon-Fri: 9am - 5pm
Sat & Sun: Closed
Low Stock
Order before 2pm — Est delivery in 2-3 working days
Store Collection
Collect from UK Camping & Leisure Northampton Showroom
Usually ready in 1-2 hours · View store details
Free shipping on orders over £60.00!
The Ring RSC904T SMARTCHARGE 4 is a 6V/12V smart battery charger and maintainer from Ring's 900 series. It charges at up to 4A, supports lithium as well as lead acid, gel, calcium, EFB and AGM batteries, and is Stop-Start compatible. It suits maintaining seasonal vehicles, motorcycles, caravans and more.
Charging is one-touch: the charger runs a nine-stage charging cycle (seven stages for lithium) and then switches itself to maintenance mode once the battery is full, so the battery is not overcharged. Crocodile clips and a built-in hanging hook mean you do not need to take the battery out of the vehicle, and the included O-ring terminals give you a permanent connection if you prefer. A quick-release cable stops the polarity being swapped by mistake.
Choose the SMARTCHARGE 4 for 6V and 12V batteries. It is for cars, motorcycles, boats, 4x4s and vans, and is rated for batteries up to 90Ah when charging and up to 140Ah in maintenance mode (minimum 4Ah). It will not start charging a completely flat battery below 2V.
| Input Voltage | 230V AC |
| Output Voltage | 6V/12V DC |
| Charge Rate | Up to 4A (2A or 4A selection) |
| Battery Types | Lead acid, gel, calcium, EFB, AGM, lithium (LiFePO4) |
| Maximum Battery Capacity | 90Ah charging; 140Ah maintenance mode |
| Minimum Battery Capacity | 4Ah |
| Stop-Start Compatible | Yes |
| IP Rating | IP65 |
| Weight | 0.562 kg |
| Ring Part Number | RSC904T |
| SKU | RSC904T-RIN |
Processing & Shipping: Most orders ship within 1–2 business days (weekdays only), with possible delays during high volume periods.
For the full details, please visit our Delivery Information Page.
14-Day Change of Mind Returns: If you change your mind, you can return your online order within 14 days of receiving it. Please contact us first for return instructions, then you have 14 days to send the goods back. Items should be unused, complete and in their original condition and packaging.
For full details, please see our Returns and Refunds Policy.
Questions or Concerns: Our friendly team is here to help with orders, product information, or any general queries.
Email: onlinesales@ukcampingandleisure.co.uk
Response Time: We aim to reply as quickly as possible during our regular business hours.
For more details or to send us a direct message, please visit our Contact Us Page.
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