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mobile battery charger connection

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stranger12
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Joined: 12 Mar 2012
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PostPosted: 23:27 - 20 May 2013    Post subject: mobile battery charger connection Reply with quote
hi all,

i have got one of these devices that does text you when the bike moves etc using a sim card.
the issue is that i frequently have to bring it up to charge it


i have bought a charger that does have red and black cable thinking black is negative and red positive. the charge is car charger thus i am thinking of directly connecting the wires to the battery. is that ok ?

would that drain the battery ? should i connect it to ignition switch ?


btw if the battery on my sv650 is drained, can i jump start it ?

thanks
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Mr Calendar



Joined: 14 Jun 2004
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PostPosted: 09:33 - 21 May 2013    Post subject: Reply with quote
I take it the charger is for the device the SIM/alarm unit is in.
If that's the case then connect direct to battery.
Although bear in mind the battery may be the first thing any thief disconnects. That said, if unit is already charged it should still act as an alarm.

stranger12 wrote:
...would that drain the battery ? should i connect it to ignition switch ?...
Yes it will drain the battery. How long will depend on the battery and the current drawn by the charger. If you connect via ignition (use a relay - search on here for hot to instructions) then device only charge when bike turned on/running. Will your journeys be sufficient to fully charger the sim device? When bike stood your alarm device is on it's own power. How long that lasts only you know.

What you also then need is a charger for the bike battery. Get a bike specific charger. For example try Optimate/Accumate, the one sold by WEMoto, etc. I'd avoid Oxford charger as I've not heard a good thing about them (they break, a lot, so bad investment). Or get a charger with a bike mode on it (Aldi/Lidl do one in their cyclic offers that's ok). DO NOT charge a bike battery using a car charger (they give too much current so damage the bike battery).

IIRC general advice for jump starting (as in push starting, not jumping start off another battery) if bike is old carb model then ok. If FI then no. Remember to put bike in 2nd gear, run with it clutch in, let clutch out as you're moving and it should catch. Also remember to knock into neutral once started as side-stand cutout switch will mean you have to start again.

If you mean jump start by connecting another battery to the flat one in the bike then any bike/car can be started this way.

HTH Thumbs Up
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stranger12
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Joined: 12 Mar 2012
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PostPosted: 09:39 - 21 May 2013    Post subject: Reply with quote
thanks very much for the reply

i thought if i connect it directly it may drain the battery if the bike is left unattended for 3-4 days . is that why you are saying i should get a bike charger ?

is it simply those jump leads ? i have one for my car and the battery size is the same as my bike (small)


thanks
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Mr Calendar



Joined: 14 Jun 2004
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PostPosted: 09:46 - 21 May 2013    Post subject: Reply with quote
stranger12 wrote:
...i thought if i connect it directly it may drain the battery if the bike is left unattended for 3-4 days . is that why you are saying i should get a bike charger ?...
Yes. If your bike is in a garage and that has power then it's no hassle. Charger may come with a lead that connects to the battery. Leave this under a seat/side panel/where-ever and plug charger in when you park up the bike.

stranger12 wrote:
...is it simply those jump leads ? i have one for my car and the battery size is the same as my bike (small)...
Jump leads from another battery/power pack are ok. +ve to +ve etc. With some bikes though it's a bit of a hassle as you have to start undoing stuff and taking panels off (e.g. BMWs hide their battery in the bowels of the beast). Also the larger car size jump leads can be difficult to clip onto bike battery terminals. So that's why best keep battery charged or be prepared to push start as/when needed.
____________________
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Gibbs, what did Duckie look like when he was younger? Very Happy
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stranger12
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Joined: 12 Mar 2012
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PostPosted: 09:54 - 21 May 2013    Post subject: Reply with quote
do you have a particular brand of charger in mind ?

would the battery be drained if not using the charger . it draws little power . it is like a mobile phone and i think when it is fully charged then it should stop draining the battery
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Mr Calendar



Joined: 14 Jun 2004
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PostPosted: 12:01 - 21 May 2013    Post subject: Reply with quote
stranger12 wrote:
do you have a particular brand of charger in mind ?
All much of a muchness. Depends if you want charging for Gel batteries (older Accumate don't have this). Given the choice I'd pick an Accumate or Optimate (same company). As I said
map wrote:
...Get a bike specific charger. For example try Optimate/Accumate, the one sold by WEMoto, etc. I'd avoid Oxford charger as I've not heard a good thing about them (they break, a lot, so bad investment). Or get a charger with a bike mode on it (Aldi/Lidl do one in their cyclic offers that's ok). DO NOT charge a bike battery using a car charger (they give too much current so damage the bike battery). ...


stranger12 wrote:
would the battery be drained if not using the charger . it draws little power . it is like a mobile phone and i think when it is fully charged then it should stop draining the battery
Don't know. Depends on the phone charger. I know one of mine stays warm when left plugged in, implies it's drawing some power to do that. Try it and see.
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Gibbs, what did Duckie look like when he was younger? Very Happy
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