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  Is it true that aftermarket parts such as Yuasa can be better than the manufacturers? 29 Sep 2015 (Ask HJ)
  Is it true that aftermarket parts such as Yuasa can be better than the manufacturers i.e. Ford? Could you also comment on Yuasa as a brand and good battery...
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  Flat battery on a Focus 4 Feb 2012 (Ask HJ)
  My Ford Focus 1.8 battery went flat. I left it in the garage for a month or so. It wouldn't start and a small red light above the radio was flashing when...
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  I have an electrical fault on my Citroen Xantia - what could it be? 20 Jun 2010 (Ask HJ)
  My Citroen Xantia lost all but the battery lights on the dash. I managed to get it going by getting a power cable straight from the battery to the glow...
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  Battery yen 16 Jan 2010 (Ask HJ)
  My daughter has a W Reg Rover 25 on which the electrics fail periodically. No faults have been found in a full auto-electric check and the battery can...
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  What is the warranty for hybrid batteries on Toyotas? 24 Dec 2024 (Ask HJ)
  Toyota's warranty for EVs is when it gets below 70% range it will be replaced under warranty. But that does not include hybrids or plugins. Do...
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  Can you recommend a cordless trickle charger? 26 Apr 2024 (Ask HJ)
  Is there such a thing as a cordless rechargeable trickle charger, that I can buy for my VW Caddy 1ltr TSI, stop start battery? The vehicle is parked on...
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  If the battery pack of an EV is damaged can it be repaired? 12 Oct 2023 (Ask HJ)
  I understand that if the battery pack of an electric car is damaged by debris etc on the road, the whole battery pack has to be replaced as it cannot be...
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  Will my Toyota C-HR battery survive being parked up for a month? 24 Jul 2023 (Ask HJ)
  I am aware of the problems with the starter battery if the C-HR is not used regularly. I am away in the winter for about a month without the C-HR. What...
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  How long do I need to run my car to keep the battery charged if I'm quarantined because of Coronavirus? 18 Mar 2020 (Ask HJ)
  I am about to be quarantined for three months. I propose to run my car weekly. How long do I need to run it to keep the battery charged? Anything else...
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  My car's battery is discharging when it's shut down and stationery - any advice? 22 Jan 2018 (Ask HJ)
  My Ford Mondeo's battery is discharging when it's shut down and stationery. It is a new battery, but the car is nine years old, with 53,000 miles on the...
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  Is a faulty battery preventing the stop-start feature from working on my BMW 118d? 3 Aug 2013 (Ask HJ)
  I have a December 2007 BMW 118d ED with stop-start and the other associated bells and whistles. This feature has not worked for about nine months. My BMW...
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  Does the warranty cover a failed battery in my Toyota Prius? 6 Jul 2013 (Ask HJ)
  In March this year I bought a 2008 Toyota Prius from a main dealer who gave a 12-month warranty. In April and subsequently in May, the small 12 volt battery...
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  My battery frequently discharges if left for a period of time - why? 29 Sep 2012 (Ask HJ)
  I have a 2010 Volkswagen Scirocco 2.0 TDI. After leaving it locked in garage for four weeks while on holiday, I found that the battery had discharged and...
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  Why is my Citroen C5's battery draining itself when left stood? 21 Jan 2012 (Ask HJ)
  I own a Citroen C5 automatic diesel. I have experienced problems where, when parked for a number of days, the battery runs down. I had it checked by the...
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  Fiesta Active Hybrid battery drain issue - is low mileage the cause? 3 Oct 2022 (Ask HJ)
  I have owned a Fiesta hybrid, bought as a pre-reg, since November 2021. It went back to the main dealers in January because the touch sensitive locking...
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  Has our Volvo XC60 got a battery fault? 26 May 2012 (Ask HJ)
  My Volvo XC60 D5 (205) SE Lux Premium AWD Geartronic was purchased on 24 July 2010. At the beginning of August 2011 I couldn't drive for some eight weeks,...
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  What's the best trickle charger? 31 May 2023 (Ask HJ)
  My Toyota Proace is not used very often resulting in the battery draining down. Will a solar powered trickle charger keep the battery topped up? I am...
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  Will frequent charging and discharging of an EV battery lead to a shortening of the battery's life? 9 Mar 2021 (Ask HJ)
  I read an interesting article about people who charge their electric cars via solar panels or cheap rate electricity at night and then use the car battery...
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  Which type of battery charger? 16 Nov 2016 (Ask HJ)
  I have a VW Golf diesel that is used as a second car and only for long trips so hopefully avoiding DPF problems. I have been told that I cannot keep the...
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  Our car battery went flat because we only do short journeys. Are all cars like this? 11 Feb 2021 (Ask HJ)
  Yesterday our Toyota C-HR would not start because the auxiliary battery was completely discharged. The breakdown service started the car and I took it...