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With that said, read on for our buying guide on how to buy the right car battery charger for you, alongside our roundup of some of the best options available. Key specs – Size : 16.8 x 6.5 x 3,8cm (LWH); Weight: 0.6kg; Voltage : 12V; Max current: 5A; IP rating: IP65; Crocodile clips: Yes; Eyelet connectors: Yes; Mains or portable: Mains; Battery compliant: Lead-acid/gel/Lithium+; Stop/start compliant: Yes; Maintaining: Yes; Jumpstarting: No; Operating temp: 10-40°C Once full, the charger adjusts automatically to 'long-term maintenance mode' and keeps the battery conditioned and topped up, ready to go next time the sun's out. It has reverse polarity and short-circuit protection to assist non-experts like me, and is even IP65 rated for all-weather use, which is reassuring if your garage or shed gets damp.
Now low-power functions, such as the immobiliser, won’t have such a frustrating effect when you do come to start the car (after disconnecting first). What’s more, it switches into maintenance mode to protect the battery once it has been fully charged. The RSC806 is literally a plug-and-play sort of deal. All you have to do is connect it and the charger will regulate itself and adjust automatically to a long-term maintenance mode once the battery is full. STOP/START Supported There’s also a winter mode to protect batteries during colder temperatures, as well as being ‘smart‘ to not damage batteries that are fitted to Start/Stop vehicles.FREE UK delivery applies to Zone A, UK Mainland England, Wales and Southern Scotland (Central Belt of Scotland) and Excludes surcharge post codes and areas. This smart charger from Ring does basically all batteries except lithium and features a seven-stage charging process that's supposed to be kinder on your battery. Available with either a UK three-pin plug (part number RSC804) or EU two-pin plug (part number RESC804)
Tested by Richard Newland for 4 months. Quality 5/5, Value 3/5. Bike batteries are getting smaller and lighter – but the stress our bikes put on them with ever-more powerful electronics systems and auxiliary add-ons is getting greater than ever. It doesn't take much to find you're out of juice when you hit the magic starter button. But if you don't have bike storage with mains electricity, what do you do? You get one of these. Instead of just putting a fixed rate of charge into the battery, the Ring RSC806 uses a seven stage process to look after your battery. You also have to consider what kind of battery you have: lead-acid, AGM (an advanced version of lead-acid) or lithium-ion. Some batteries are versatile enough to support multiple technologies, others not so much. You often find versatility has a direct correlation with price. Charge the unit, and then take it on tour. Once charged, it'll hold its power for a year and will recover a dead bike battery enough to start your engine in around 15 minutes. The charge is delivered to your battery progressively, too – reducing the risk of jump-start damage. It's absolutely superb and really works. Yes, it's a pricey solution, but it works brilliantly and is invaluable if you're off the grid where your bike lives. However, they require very different charging characteristics, and as such, you should be careful not to pair the wrong charger with the battery, as this can have a negative effect on the battery and can even be dangerous.
It has a 6a output, which gives it a decent amount of punch when it comes to topping up low batteries in a pinch. My bike wouldn't start after a month of autumn inactivity, but a 30-minute top-up from the Ring charger had it firing on the button again. Lesson learned - just leave it plugged in.
You can’t damage the charger either as there’s short circuit and reverse polarity detection, just in case.Ok, that's a bit flippant because, in addition to those scant requirements, I also want it to be wall mounted, with a hard connection to my battery, so I don't have to faff about with crocodile clips. And this one from CTEK is superbly clever. Not only does it do everything you'd expect: charging, recovering, conditioning and maintaining whatever vehicle battery you connect it to (and yes, it does them all, from Lead Acid to Lithium-ion in all wet, AGM, Gel and other forms) – it does it without any programming from you.
These put some load on the battery so that it isn’t simply under constant charge, as this can also, paradoxically, damage the battery and reduce its capacity as well. The O-ring connectors are a little useless for most modern cars, as they’re either too small, or you have nowhere easy to connect the negative too as there’s only a positive terminal. But the crocodile clips are well made and feel of high quality. It’s compatible with lead, gel, calcium, AGM and EFB-type batteries, or, in other words, pretty much all batteries that we use in the UK car market. It has overcharge protection so you don’t have to worry about overfilling and ruining your battery, something which is a major disadvantage of regular chargers. But buying a car battery charger isn’t the most straightforward task. First, there are different types of car battery chargers to choose from. There’s also a choice of connectors, depending on whether you’re regularly maintaining your car battery or just recharging as a one-off.
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The solution, of course, is to leave your bike with its battery on charge when it’s not being used. This is particularly true for bikes that are laid up for winter, and in this case, a battery optimiser/maintainer can be useful, as it not only charges the battery but it carries out a series of conditioning cycles. There’s a 12-month warranty on parts and labour, though Draper is a brand associated with rigorous professional workshop quality, so you’re unlikely to experience issues with this battery charger. Its portability also makes it great for flat dwellers and other motorists without mains access near to where they park. From traditional car battery chargers to portable and solar-powered ones, there are options available to suit a range of budgets. However, buying the cheapest doesn’t always mean bagging a bargain. If you’re caught with a flat battery, the very last thing you want to find out is that the tool you’ve invested in to remedy the matter is a dud. Express delivery option to offshore, highlands and remote postcodes may take longer than the usual one working day. The surcharge may not apply to small items being sent via Royal mail or MyHermes etc... Where possible we will try our best to avoid courier service for surcharge areas.
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