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Chuck, If you want some Batteries that will give you a good 6 and a half hours I got Loads here, I Have Found some German 2850s I am going to check out Today and see if they are any good.

Check out those Energizer Ultra Lithium they put out 1.83 volts.

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After Reading many post about the TDI SL The Topics always Returned to the Issue about Batteries so I thought I would Buy A  Few Dozen Batteries and put it to the Tests Because I think that most peopl

Created a pack for the SL I can run 4 18650 3400 mah cells for 14.8 to 16.8 volts has full balance and protection circuit. I also have a 6 cell 4000 mah pack 12.6 volt. You can get them on Ebay. Also

I just wanted to share this with people because the Battery Life is the Only Grey Area with this machine and to put their minds at Rest, Ok, Here is the Modded Battery Pack with 9 AA's Fitted,

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Created a pack for the SL I can run 4 18650 3400 mah cells for 14.8 to 16.8 volts has full balance and protection circuit.

I also have a 6 cell 4000 mah pack 12.6 volt. You can get them on Ebay. Also have 6800 mah TDI & Pro batteries. And 5 cell TDI 18.5 volt 3400 mah packs. 

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On 4/17/2015 at 7:45 AM, Reg said:

Here is  a link to the ebay listing.  i bought one and just finished charging it.  Now, I have to wait until it quits raining to try it.

 

http://www.ebay.com/itm/TDI-SL-metal-detector-battery-charger-/221741088697?pt=LH_DefaultDomain_0&hash=item33a0cc7fb9

 

 

Reg

Reg,, Any Updates on the Burn time with this New Pack,

I have stopped testing for A Little while because I am waiting for Parts coming from the US,

Thanks Mate,, John

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just a quick Update,, I recommended those Energizer ultra Lithium disposable batteries to some one in OZ, Each Battery had 1.8487 volts and a total of 14.79 voils after his first day detecting (7 hours) He still Had 12.37 Volts Left. he got 7 hours one day and 2 hours the Next day, and he changed them when they go to 10.8 volts, Still Not Flat, So you should get about 10 hours out of them which Is Great for a Back up and that is about 2.3 Times the Burn time of the factory Pack,

Good Luck,, John

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On 4/16/2015 at 8:48 PM, reidman said:

Created a pack for the SL I can run 4 18650 3400 mah cells for 14.8 to 16.8 volts has full balance and protection circuit.

I also have a 6 cell 4000 mah pack 12.6 volt. You can get them on Ebay. Also have 6800 mah TDI & Pro batteries. And 5 cell TDI 18.5 volt 3400 mah packs. 

G'day Mate

Can you tell me did you make these or Buy them, Because I could use 2 or 3 of these,

John

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Created a pack for the SL I can run 4 18650 3400 mah cells for 14.8 to 16.8 volts has full balance and protection circuit.

I also have a 6 cell 4000 mah pack 12.6 volt. You can get them on Ebay. Also have 6800 mah TDI & Pro batteries. And 5 cell TDI 18.5 volt 3400 mah packs. 

 

Hi Reidman, a lot of us here in Oz want to score one of those packs for the SL.  Can you assist us in making a connection with the seller and organize something for us.  If not I'll give them a call myself.

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