tdihunter Posted February 12, 2019 Share Posted February 12, 2019 4 minutes ago, Tony said: Surely you can by Lithium 18650 cells in Canada ?......correct, they can't be shipped by air from overseas. the prob im having is getting the batteries etc shipped to canada .do you have facebook etc would like to add ya m8 ..im gonna try and do this as i know ill get more depth but would appreciate all you knowledge m8 if you dont mine Link to comment Share on other sites More sharing options...
pjrough Posted February 23, 2019 Share Posted February 23, 2019 On 2/9/2019 at 6:57 AM, Tony said: This is good for a 3 cell setup but not 4 cells......need the extra 3.7v cell. Posted files a while ago. If I remember well, it was just an adaptor you have to drop in the housing to touch battery leads, so no need to hook up wires with nuts and bolts... In other words, this will fit to any pack you are planning for the TDI. You have just to add the battery pack.... Link to comment Share on other sites More sharing options...
PASTASHELL Posted August 18, 2019 Share Posted August 18, 2019 I do want to do this but I am frightening of frying the damn thing :( Link to comment Share on other sites More sharing options...
Timmysys Posted September 8, 2019 Share Posted September 8, 2019 Great topic! What do you think guys, the Dual Filed work with 14,8V Lithium-ion battery pack? If the circuit tolerate, give some depth gain? Link to comment Share on other sites More sharing options...
dbsmokey Posted September 8, 2019 Share Posted September 8, 2019 On 2/11/2019 at 5:39 PM, tdihunter said: the prob im having is getting the batteries etc shipped to canada .do you have facebook etc would like to add ya m8 ..im gonna try and do this as i know ill get more depth but would appreciate all you knowledge m8 if you dont mine Harvest them from a non-functional laptop battery. There are some good articles online with instructions. In my experience ~50% of "dead" laptop lithium ion cells are still a-okay. Link to comment Share on other sites More sharing options...
Gerry Freeman-Smith Posted September 26, 2019 Share Posted September 26, 2019 I’ve just made this 4x18650 pack utilising the AA pack. In use the volume seems much louder. Incidentally does anyone know the current draw of the TdiBH when in use. Link to comment Share on other sites More sharing options...
Jim in Idaho Posted September 26, 2019 Share Posted September 26, 2019 Assuming the circuitry is the same as the TDI SL, it draws about 500ma. Jim Link to comment Share on other sites More sharing options...
Gerry Freeman-Smith Posted September 26, 2019 Share Posted September 26, 2019 Thank you. Link to comment Share on other sites More sharing options...
Gerry Freeman-Smith Posted September 28, 2019 Share Posted September 28, 2019 An update on my battery pack, I went to the beach this morning with the pack charged and showing 16.75v. I used the TdiBH for 2.5 hours at full gain in conductivity mode and checked the voltage afterwards and it was showing 15.27v. My friend was with me using his TdiBH with a fully charged stock 12v battery pack. After the same time and settings his pack had dropped to 10.25v. I’m impressed would be an understatement. Link to comment Share on other sites More sharing options...
Walker1200 Posted May 5, 2020 Share Posted May 5, 2020 Hey guys, Forgive me if this has already been answered, but where would the new battery pack (in the original post) sit in the machine? Would it need to be put into one of the battery trays, or does it just kind of sit loosely in the battery compartment? If the latter is the case, is there a way to pad the batteries so they don't rattle around? Thanks! -Kerry Link to comment Share on other sites More sharing options...
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