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Replaced 12v battery with Optima

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Old 07-15-2011, 05:48 AM   #71
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Default Re: Replaced 12v battery with Optima

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Originally Posted by seilerts View Post
It depends on the charger. Some will click off as soon as you remove one of the terminals in the back. A jump pack works better.
Or any 2nd battery or another car with jump leads attached to the terminals while removing battery.
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Old 07-15-2011, 10:12 AM   #72
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Default Re: Replaced 12v battery with Optima

I used a trickle charger when replacing the OEM 12v with an Optima yellow top...worked perfectly...no settings lost no triangle of death, etc...
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Old 07-15-2011, 10:27 AM   #73
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Default Re: Replaced 12v battery with Optima

I do have a riding lawn mower battery. Would connecting jumper cables from that to the connection on the fuse box do the trick?
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Old 07-15-2011, 12:14 PM   #74
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Default Re: Replaced 12v battery with Optima

It would.

Owners who use an auxiliary 12V source when replacing the 12V battery need to be very careful not to short the positive terminal to ground when removing the cables.
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Old 10-14-2011, 03:41 PM   #75
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Default Re: Replaced 12v battery with Optima

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Originally Posted by richard schumacher View Post
The one possible problem is dis-assembling the Toyota positive terminal assembly. If you don't have a bench vise it may take a lot of hand strength.
There is currently a direct replacement battery for optima for the prius the number is DS46B24R which requires no changes to the car. It is a direct fit. LDD
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Old 01-22-2012, 04:41 PM   #76
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Default Re: Replaced 12v battery with Optima

Just got my yellow top online direct from Optima. Couldn't be easier transaction. Does the car run better with the Optima? Could be....

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Originally Posted by larrydunn View Post
There is currently a direct replacement battery for optima for the prius the number is DS46B24R which requires no changes to the car. It is a direct fit. LDD
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Old 01-25-2012, 10:44 AM   #77
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Question Re: Replaced 12v battery with Optima

It would be nice to see some numbers from testing these Optima batteries. For example, turn the car IG-ON by pushing the power button twice without pressing on the brake. Turn the climate control fully off. Then turn the headlights on. What is the battery voltage? Then turn the rear defogger on. What is the battery voltage?
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