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  • Finance Available0% on orders over £300
  • 365 Day ReturnsRefund or exchange

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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
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
November 29, 2018

It works when has lots of sunshine

I bought this charger so that it keeps the battery in top shape when I do not run the bike. I have an alarm and a GPS tracker that they draw current from the battery continuously. The charger is easy to install and the cable connection are easy to use. The output of the charger however depends a lot on the sunshine. Here in the UK that is a big problem. I guess that during the summer months it will be OK but during the winter it has failed to keep the battery charged. During a week the battery has discharge below an acceptable level. Another downside is that the solar panel is not classified as waterproof. That means that you have to disconnect it when it rains. I didn't and there was no damage done so far but I do not know how long it will last. So for the winter months I have a mains powered charger. It is a good product but the details let it down.

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Oxford Solariser Optimiser
November 29, 2018

Usual Oxford Quality

Delivery was up to usual reliable standard I expect from Sportsbikeshop. The product was well packaged and seems robust. Easy to follow instructions and easy to install. I used the battery leads and left the connection socket just poking out beneath the seat of my Ninja 650. It is very easy then to connect and disconnect. Will it keep the battery topped up over winter? Only time will tell. I do note that the charging light is flashing even on dull winter days so looks hopeful.

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Oxford Solariser Optimiser
November 9, 2018

Seems to do what it says and here's me sceptical

Thought that it looked a bit non starter but was wrong, as it did what it says and kept my battery on the bmw charged while I was away for three weeks !! Easy fit and came with all the connections that you could possibly need, great stuff from Oxford as per usual.

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Oxford Solariser Optimiser
October 30, 2018

Solar panel charger.

Fantastic battery charger..

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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
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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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