If the bike is still covered under a BMW warranty with roadside assistance (or other organisation), get them to come out to start the bike and check the battery voltage at the same time. This will help to determine the state of the battery and if serviceable, the choice of battery charger going forward.hammo wrote:It's that time of year a bit cold and guess what battery does not want to play.
Charging
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David.
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Re: Charging
Last edited by David. on Fri Dec 10, 2021 9:42 am, edited 1 time in total.
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David.
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Re: Charging
How about this from Halfords for £15, Halfords 6V/12V Maintenance Charger | Halfords UK
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burridge01
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Re: Charging
I charge mine in place via a socket wired direct to the battery.I don't have electricity in my garage so use an Optimate DC-DC run from a leisure battery and it works a treat.No effect on the bikes electronics what so ever.hammo wrote: Its that time of year a bit cold and guess what battery does not want to play , not being up with modern technology can you use any battery charger on your motorcycle ? , also can i charge it in place on my 2019 RTLE ? or because of all the bells and electrickery these days does it have to be removed from the bike .
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David.
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Re: Charging
That's different, what size is the leisure battery and how long does it last when charging via the Optimate DC-DC.burridge01 wrote:I don't have electricity in my garage so use an Optimate DC-DC run from a leisure battery and it works a treat.
Last edited by David. on Fri Dec 10, 2021 7:24 pm, edited 1 time in total.
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burridge01
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Re: Charging
Here's all the gumph on top of the battery,can be charged 200 times and lasts around 10 weeks.This is the 1st use in winter so I've raised ghe battery of the ground and wrapped some insulation around it.The DC-DC is a smart bit of kit and does a fantastic job.
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David.
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Re: Charging
Found the leisure battery, Halfords Leisure Battery HLB700 | Halfords UKburridge01 wrote:Here's all the gumph on top of the battery.
Is that how long the leisure battery lasts when charging the bike battery.burridge01 wrote:Can be charged 200 times and lasts around 10 weeks.
Last edited by David. on Fri Dec 10, 2021 7:25 pm, edited 1 time in total.
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burridge01
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Re: Charging
The battery was around £90 with the Halford's card and yes,i recharge the battery around 10 weeks.The DC-DC won't suck the leisure battery dead,i will keep an eye on the battery over the colder months as i suspect it will run down quicker.I might just take the battery of the bike if that's the case.