split charge relay to charge two 6v 4.5ah batteries | on ElectriciansForums

Discuss split charge relay to charge two 6v 4.5ah batteries in the Auto Electrician Forum area at ElectriciansForums.net

waigy

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I have two maplin 6v 4.5ah batteries wired in series to power my dashcam while parked.
The batteries are similar to this one :
[ElectriciansForums.net] split charge relay to charge two 6v 4.5ah batteries

Will this split charge relay be ok to re-charge the batteries while driving?
Maypole 292 20A Caravan Dual Charge Relay Kit: Amazon.co.uk: Car & Motorbike - https://www.amazon.co.uk/Maypole-292-Caravan-Charge-Relay/dp/B008LUK3A8
 
As an Amazon Associate Electricians Forums may earn a small commission from qualifying purchases.
The 6v batteries will be right next to the car battery and wired similar to this:
[ElectriciansForums.net] split charge relay to charge two 6v 4.5ah batteries

The relay I have ordered is a Tec2 20a so it uses a 15a fuse and it has an extra "ign" connection to connect to a supply that is live when the car is switched on.
 
Last edited:
My main concern is how small the 6v batteries are in ah and physically.
These split charge relays are more commonly used to charge large leisure batteries.
 

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