Possible Sources, Trickle
Charging Systems, Unstable
Compiled by Dot
The battery seems to last only for a short (2 weeks usually) due to
the drain imposed by the alarm system. A good idea to combat this is to
purchase a battery conditioner.
The Elise battery bracket is also quite an interesting design,
meaning that it doesn't always properly secure the battery (especially
when 3rd party batteries are used) which can lead to the battery sliding
around and shorting out on the chassis. Therefore, take great care to
have the battery secured with the bracket and/or anything else that will
do the job. See here
for a possible online source of batteries that fit without clamp
Replacing the battery doesn't require the clam to be removed, but
it's not a pleasant job.
The first symptom of the battery dying on you comes when you try and
start the car and you get a clicking from behind your head and an
associated dimming of the dash in time with the clicks.
Posted 10 February 2002 at 21:51:50 UK time
Info on my website here: http://www.mattdaniels.co.uk/elise/faq/electrics/battery_info.htm
Halfords sell a suitable replacement (HCB063 heavy duty, about £40)
which will fit but you will need to cut a strip of wood to bolster the
handle in order for the battery clamp to get sufficient purchase to stop
the battery moving around. If the battery moves it may short out. If
this happens you may see symptoms such as the Stack dashboard resetting
itself whilst you are driving along, with the needles pointing straight
up and the tell-tale lights illuminating.
All Elises are slightly different under the front services
compartment in terms of where exactly the cable ties are, but when I
replaced my battery the only things i had to do was loosen the screws on
the radiator surround so that there was a little "give" in it, remove
the wiper motor cover (the black plastic bit between the bonnet catch
and the chassis info sticker) and hold the ribbed black plastic cable
cover to the right of the battery out of the way as I lifted the battery
It's worse getting the new one in as its difficult not to catch and
squash cables and things underneath the battery as you push it down into
Posted 24 February 2002 at 20:38:45 UK time
Bought a new battery for the Elise Jan 02, make is german "Hoppecke",
its a silver alloy calcium, with a 4 year guarantee @ £58.75. This fits
the original bracket with no messing about with bits of wood!
Posted 09 February 2002 at 08:48:39 UK time
I checked out the one SimonS recommended, the Varta Blue Dynamic
B18-543 023 039.
Had one fitted during the service yesterday, and
the cost was only £37.50 + VAT, no problems with fitting.
Posted 24 February 2002 at 19:47:35 UK time
Bosch silver, but get the S2 battery holder which has side bits.
Otherwise the battery may slide and a terminal hit the
chassis. Matt Benny's car caught on fire when it happened to his.
Editors note: You are supposed to put gel (vaseline will do) on
the terminals too.
Battery - Possible
What appear to be sources for the OEM (Tungstone on later cars) and
possible replacement batteries that actully fit the car without
modifying the battery clamp, as recommended by BBS users.
John Mason (Batteries) Ltd.
122 Dundyvan Road
Larnarkshire, ML5 1DE
Tel: +44 (0) 1236 625555
Battery Services (Automotive) Ltd
Unit 47, Lunsford Rd
Tel: 0116 274 1400
Batteries known to fit are listed below, however I believe that not
all cars battery clamps are the same, YMMV but these are likely to be
Varta Blue Dynamic B18-543 023 039 - 43A/H 390A 12.4Kg's
076C - 50A/H 500A 13Kg's
If your cigarette lighter is live when the ignition is off (as with
some older cars), you can connect a trickle charger there. Otherwise you
have to lift the bonnet and make connections to the battery terminals.
<= seems to be the BBS favourite
Reading - Earthing Problems
Tuesday, July 09, 2002
Sometimes the water temperature reading on the STACK can fluctuate
depending on certain electrical systems being activated - the heater
blower and the wiper mechanism will have the biggest impact, making the
reading higher when they are switched on.
In some cases this is caused by a poor negative-earth connection from
the battery in the front services compartment. There are two earth
straps; one under the front services compartment, to the right of the
battery (looking front-on to the car), and one in the engine compartment
in the rear-left corner (facing the rear of the car). The front one
seems to get corroded fairly easily, and should be removed and cleaned
using the following procedure:-
- Ensure the battery/immobiliser is disarmed (follow instruction in
user manual for battery removal).
- Remove the water washer bottle from the car - it just slots into
- Loosen the nut securing the negative strap to the negative side of
the battery, and pull the strap off.
- Repeat this procedure with the positive side.
- Undo the three bolts securing the battery bracket in place, and
remove the bracket.
- Slide the battery towards the rear of the compartment - this will
allow you access to the earth-strap connecting.
- Find the strap connection to the chassis, and undo the bolt
holding it in place. Be careful not to drop any washers!
- Remove the strap from the car.
- Clean all connections with fine grade abrasive paper, including
the connectors on the battery end, the battery terminals and the area
on the chassis where the strap connects to.
Refit all connections by following the above instructions in reverse
Check the accuracy of the gauge by running the engine to
normal level and switching on the electrical systems - hopefully the
gauge should remain unaffected by the switching of the different
Disclaimer : All information is supplied as a guide only.
No Guarantee as to its reliability can be issued.
You use this information entirely at your own risk.
No Reproduction or Reuse without prior written consent.
© Elise FAQ Team 2002