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Product Details

Reverse polarity indicator. Winter charge setting. 6V and 12V settings. IP65 weatherproof. Fully insulated battery clamps. Also suitable for stop/start vehicle batteries.



This charger protects the vehicle and battery from damage from reversed polarity or incorrect voltage.Suits all battery types - Lead acid, GEL, AGM,EFB and calcium/silver .

Technical Specification
Brand Ring Automotive
Manufacture ID RSC404
Voltage 12
Type Charger
Amp Rating 4
Delivery details

Covid-19 Update

  • Free Next Business Day delivery for orders over £25 to home and site is available for orders placed before 5pm
  • Saturday and Sunday delivery is now available for orders placed before 4pm on Friday for Saturday delivery and 4pm Saturday for Sunday delivery, see here for details
  • We have temporarily suspended our Pre-12 delivery service
  • Once your order has been dispatched you will receive an invoice email with the courier details and your tracking number
  • Alternatively go to MyAccount, click on your Order History, click on the TRACK icon to link through to the carrier website and the tracking details for your delivery
  • If your order contains more than one item it may be split into two deliveries as we manage volume across our network
  • Due to carrier constraints it is not currently possible to deliver age restricted items. Please use our Click & Collect service for these products
  • Delivery direct from suppliers is now available and specific delivery times will be displayed on the product page
Order Value: Under £25 Over £25 but less than £75 £75 & Over
Next Business Day Delivery (Mon-Fri) usually before 6pm £5 Free Free
Pre-12 Delivery before 12 noon Next Business Day £10 £5 £5
Remote areas standard delivery (2-4 days) £5 Free Free
Saturday Delivery order by 4pm Friday £10 £5 Free
Sunday Delivery order by 4pm Saturday £10 £5 Free


Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details

Covid 19 Update

Click & Collect

  • Safe contactless collection is available 7 days a week at our branches
  • Our branches are open 7am-5pm Mon-Sat and 9am-4pm Sun
  • Keeping our colleagues and customers safe and well and respecting stringent social distancing requirements is our number one priority – 2 metre rule enforced
  • Our available product range will not require more than 1 person to lift
  • Please see our guide to click and collect below

  • Please ensure that your mobile number is added so that we can text you when your order is ready to collect

Call & Collect

Due to current trading conditions we have suspended our Call & Collect service until further notice.

If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 7pm Mon-Fri (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Reviews
Ring Smart Battery Charger 4A is rated 4.5 out of 5 by 11.
Rated 5 out of 5 by from Very easy to use, good protection features I found this very easy to use. The length of cables and slim shape means I can run the wires through space in the engine and have the charger out of sight on the ground underneath the car. It is water proof meaning no issues if there is a small amount of moisture there. I appreciated the display showing both the charge state and the battery voltage. The auto detection features worked as expected on my car battery.
Date published: 2020-05-25
Rated 5 out of 5 by from Best charger for the price My car's battery died, jump started it with other car but still needed charging. Very quick service, paid online and ready to collect in few minutes. The charger itself is very easy to use. Note:- Have to select mode soon after plugging in before the charging process starts otherwise won't be able to change the Mode after it until unplugged and restarted it. Just plug and forget, it tells on display when battery is full. Worth the money compared to other expensive chargers. Suitable for Gel/AGM battery. Even my local franchise car dealer said its good one. Would definitely recommend it to extend battery life.
Date published: 2020-05-24
Rated 5 out of 5 by from Great Charger Great charger that seems to be working very well. Appears to charging battery better than my old one
Date published: 2020-05-11
Rated 5 out of 5 by from Good feedback from the display I bought this as I needed it at short notice as my more expensive branded trickle charger had been lent to a relative. I was pleasantly surprised with the performance as it gives feedback of the voltage so you can tell what stage of the charging programme it is on as well as the 3 types of error codes which my more expensive smart charger doesn't have. I have successfully used this to charge up standard lead- acid and EFB batteries up to 75ah. The only thing to be aware of is that the mode button needs to be pressed to set the required mode before charging starts so it is not fullynautomatic, therefore it cannot be used with timer plugs or if a power cut occurs for a long period, it would need setting again. Though I prefer the manual control and feedback this charger offers.
Date published: 2020-04-26
Rated 5 out of 5 by from Excellent Very impressed worked very well. Took 2 days to complete a full charge. Recommended.
Date published: 2020-04-16
Rated 5 out of 5 by from Delivered above expectations I took a gamble as my battery was quite big. Used for a 2.2 l Diesel. It worked well despite claiming hat max engine size should nebbia 1.8 L.
Date published: 2019-12-22
Rated 2 out of 5 by from S Great product and service easy to use
Date published: 2019-10-30
Rated 5 out of 5 by from Satisfied Customer Good quality price and service again from Toolstation
Date published: 2018-06-19
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