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bear100

Member Since: 22 Mar 2010
Location: South Wales
Posts: 1956

2010 Defender 110 Puma 2.4 USW Santorini Black

Dual battery, fuse and terminals advice

About to tackle my first split charge install!

I have a Gwyn Lewis twin tray, a yellow top Optima and red top Optima plus a National Luna relay and controller.
Had an hour spare today and removed the existing battery, battery cover under the seat box and existing battery tray.
What I noticed was the existing positive terminal wont fit on the new battery, the existing Terminal is set at 90 degrees with an inline fuse and because the optima terminal is set further back it won’t fit plus the Negative terminal would be short.
How would be best to overcome this? Is there a terminal with built in fuse available? And best method to join the cables together to elongate?

How did you do yours?

2023 Defender L663 V8
2016 Range Rover Autobiography 4.4 TDV8 (gone)
2010 110 XS Utility 2.4TDCI
2010 Range Rover Sport TDV8 (gone)
2007 Discovery HSE TDV6 (gone)
1993 110 csw 200 tdi (gone)
1994 90 HT 300 tdi (gone)
1994 discovery 300tdi (gone)
90 hybrid 3.5 v8 (gone)
Range rover bobtail 3.5 v8 (gone)

29th Jun 2019 9:16pm

bear100

Member Since: 22 Mar 2010
Location: South Wales
Posts: 1956

Am I right in saying the existing size of positive and negative cable is 16mm? Extra flexible multi strand rated to 110amp? 2023 Defender L663 V8
2016 Range Rover Autobiography 4.4 TDV8 (gone)
2010 110 XS Utility 2.4TDCI
2010 Range Rover Sport TDV8 (gone)
2007 Discovery HSE TDV6 (gone)
1993 110 csw 200 tdi (gone)
1994 90 HT 300 tdi (gone)
1994 discovery 300tdi (gone)
90 hybrid 3.5 v8 (gone)
Range rover bobtail 3.5 v8 (gone)

30th Jun 2019 4:17pm

jonnyboy

Member Since: 15 Oct 2014
Location: Wiltshire
Posts: 161

Hello Dave

Not sure I fully follow your questions but here's my install - still running faultlessly nearly 5 years later

https://www.defender2.net/forum/topic36335.html

Jonny

10th Jul 2019 3:48pm

kmac

Member Since: 07 Oct 2009
Location: Middlesex
Posts: 1311

2009 Defender 110 Puma 2.4 USW Santorini Black

hey bear100 - how did you sort this out in the end?

24th Oct 2019 10:29pm

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