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  • 80,000+ Products£10m stock holding
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  • Free Returns*Mainland UK over £25
  • 200+ Top BrandsUK's largest range

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There's a reason why our competitors spend so much time watching what we do, we believe in customer service levels beyond the norm and we're always looking for ways to improve. In late 2013 we were recognised for this by the bike industry's No.1 publication, Motorcycle News. As retailer of the year, we feel it's our duty to constantly better our offering and if you have any ideas, we'd love to hear from you!

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There simply isn't a better selection of biking brands anywhere in the UK and we're constantly updating every range to ensure you have the best choice available.

Oxford Solariser Optimiser

Best Seller
in Battery Chargers

Essential solar battery optimiser

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Customer Reviews for Oxford Solariser Optimiser

Oxford Solariser Optimiser
August 19, 2019

Great to keep topped off

Only had for a few weeks but seems to keep the battery topped up, not had direct sunlight on it either, just daylight.

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Oxford Solariser Optimiser
August 15, 2019

Great Product

Good quality piece of equipment. Purchased for my daughters Varadero. now has no starting issues after it has been stood with alarm on.

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Oxford Solariser Optimiser
June 29, 2019

Does what it says on the tin

Haven't had this product long but fixed it to the outside of the garage door , had a few down pours and it has survived , so no reason to think it won't last were it is , charges my 955i as have a datatool attached and it's a constant drain but the Oxford solariser more than makes up for the drain , I would recommend this product

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Oxford Solariser Optimiser
June 12, 2019


Just the job when using to charge my bike's battery in the shed away from an electrical socket? It is only a trickle mind! Especially in the British climate!

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Oxford Solariser Optimiser
May 25, 2019

Keeps the battery topped up.

Not had a battery go flat since using this to keep them topped up. I have adapted one of the battery leads to accept a more standard connector so I can plug it into an Optimate type connection as fitted to all our vehicles - shame such a connector doesn't come as standard (took 10 minutes with a soldering iron to do the job.)

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Oxford Solariser Optimiser
April 5, 2019


So far so good installed in garage window, proof of the pudding though will be next winter.

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Oxford Solariser Optimiser
March 27, 2019

So far so good

Compact and easy to install and connect to car battery via crocodile clips and option to add lead hardwired to motorcycle battery. Pushes out 17V on cloudy days and 24 in direct sunshine. Will need more time to see if it does what it's supposed to ...

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Oxford Solariser Optimiser
January 30, 2019

Seems to do what it says on the tin

So far so good, seems to be doing the job. I bought this solar charger to keep the battery topped up over Winter when I don't ride it that often. The bike is kept outside, so I use an Oxford cover to offer a bit of protection against the elements. The optimizer fits nicely inside the pocket provided for this in the cover, and I've permanently connected it to the battery using the lead and socket provided. This makes it real easy to disconnect when removing the cover. Seems to be well made and so far appears to be doing the job OK with no signs of the battery running down. It's not just the inconvenience of having a flat battery, I've also found that if you allow a battery to remain flat for too long, it's likely to give up the ghost sooner rather than later. So hopefully this will also save me money the the long run. Time will tell. But for now I'm a happy bunny.

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Oxford Solariser Optimiser
January 16, 2019

Didn't work for me

The unit doesn't appear to work in winter, when I need it most. My bike's battery was fully charged, connected the Optimiser and after just under a month the battery didn't have enough oomph to start it yesterday morning. The blue charging light was flashing during daylight hours so I can only assume it was doing its job but not effectively enough.

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Oxford Solariser Optimiser
December 2, 2018


Works really well and is great for the price

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Oxford Solariser Optimiser

  • Solar battery Optimiser for maintaining 12V automotive batteries all year round
  • Perfect for where there is no mains power source
  • Ideal for vehicles left outside or in remote lock-ups
  • LED light shows battery will charge with available light
  • Operates in extreme temperatures
  • Trickle-charge current between 10mA - 100mA
  • Weatherproof connectors
Related Items


Established in 1973, Oxford is now one of the world's leading suppliers of products to the two-wheeled industry. From its base in Oxfordshire, the company distributes to over 75 partners worldwide and has its own subsidiary in Jacksonville, Florida, serving both North and South America. Its huge range of products encompasses everything which makes life on bikes better; from clothing and helmets to accessories, hard parts, locks and luggage and more!

See all Oxford products
Questions and Answers

Questions and Answers

  • The output of my solar charger is over 20V, can this damage the battery? I only ask as my battery just died and I did have the solar charger plugged in over a long period of time. It may just be a coincidence as the bike is over 10 years old and I does not know how old the battery is. Thanks.

    May 1, 2019

    It is normal for this Solar Optimiser to read over 20V when disconnected from a battery. It has been designed to be used on all 12V batteries for long periods of time and will reduce the power output automatically when connected. Please note however that if the battery drops below a certain voltage (usually 8V), this optimiser may not be able to recover the battery.

  • Will it charge the battery without the ignition switches on via the cigarette lighter socket

    September 24, 2018

    Unfortunately the ignition would need to be left on as the 12v socket is a switched live.

  • Hi Is this solariser ok for keep permanently on my Harley AGM battery?

    August 14, 2018

    The eyelet leads are designed to be left on your motorcycle battery. You can then simply disconnect the solar panel from the eyelet connector when you want to use your motorcycle.

  • Will this SAE adapter enable me to connect this to my exisiting SAE connector on the battery -

    April 23, 2018

    Unfortunately this is not possible, as the Solariser does not use the SAE or TM style connectors, apologies.

  • Does this come with an SAE connector that will fit into the optimate connector already attached to my battery...if not how else do I quickly connect without lifting the seat each time.

    October 27, 2017

    Unfortunately it is not supplied with an SAE connector, but it is supplied with its own connector that can be attached to the battery.

  • Hi is this charger ok for lithium ion battery for my 2007 400cc beta cross bike. Thanks

    September 14, 2017

    We would not recommend the use of this charger on a lithium battery as they require a specific charging program.

  • Will it charge the battery via the 12V outlet on my V-Strom 1000 when ignition is off?

    August 22, 2017

    Unfortunately the ignition would need to be left on as the 12v socket is a switched live.

  • Is the unit waterproof

    August 14, 2017

    The Oxford Solariser is designed to be light weatherproof. It can therefore be used outside but is not waterproof and will not withstand heavy rain or being submerged.

  • How long is the lead ?

    February 24, 2017

    The main power lead is approximately 8 feet in length.

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