fruity Posted March 7, 2015 Report Share Posted March 7, 2015 Hi all Can anyone recommend a good quality 18650 battery , I use the red ultrafire ones but they go flat pretty quick while using a IR on the nv and having to change them in the field sometimes Cheers in advance Quote Link to comment Share on other sites More sharing options...
FalconFN Posted March 7, 2015 Report Share Posted March 7, 2015 Sanyo, Panasonic, Sony, LG all seem to do well. I have a load of ex laptop cells and they are so much better than anything I've had with fire in the name. The best I've had are the Sanyo 2600 mAh but anything will be better than ultrafires. Quote Link to comment Share on other sites More sharing options...
Cosd Posted March 7, 2015 Report Share Posted March 7, 2015 As above or Effest purple Quote Link to comment Share on other sites More sharing options...
tiny tim Posted March 7, 2015 Report Share Posted March 7, 2015 read this sight it will tell you everything about the batteries http://www.torchythebatteryboy.com/ Quote Link to comment Share on other sites More sharing options...
CaptainBeaky Posted March 7, 2015 Report Share Posted March 7, 2015 read this sight it will tell you everything about the batteries http://www.torchythebatteryboy.com/ Beaten to it! A lot of the cheap 18650 cells ARE recycled laptop batteries, and do not have the protection circuits that a decent cell has (removed when the laptop battery is stripped down). Unprotected cells can, and do, go bang if overcharged. Quote Link to comment Share on other sites More sharing options...
oliver90owner Posted March 7, 2015 Report Share Posted March 7, 2015 From the net :''Around 7000 individual cells, coded NCR18650A by their supplier Panasonic, are used in each Model S pack. Rated at 3100 mA·h'' Tesla use the above, currently, so must be good. Most rated above 3Ah are to be scrutinised carefully - the capacity can be pushed up by charging to a higher end cell voltage, but the life of the cells are considerably reduced. Generally the more expensive cells from the trusted manufacturers do what it says on the can. Lower quality and 'seconds' go to the re-branders - as well as recovered cells from anywhere and everywhere. Look on u-toob or goggle 18650 and see somd of the fakes that are around. It may not be ****fire that you actually have..... What is your current drain and how long do these field sessions last? If you are using cells in series there may be one cell pulling down the rest Quote Link to comment Share on other sites More sharing options...
casts_by_fly Posted March 7, 2015 Report Share Posted March 7, 2015 Fruity, If you are interested, i had listed some 18650s in the classifieds. They are samsungs and from all of the reviews quite good ones. They don't fit my light and i have found an alternative. I haven't had a chance to relist them. http://forums.pigeonwatch.co.uk/forums/topic/303501-4x-18650-samsung-batteries/?hl=18650 Rick Quote Link to comment Share on other sites More sharing options...
johnnythefox70 Posted March 7, 2015 Report Share Posted March 7, 2015 Buy the nightmaster 800 batteries there about £11 a pop but are without shadow of doubt the best 18650 on the market and will last all night. Quote Link to comment Share on other sites More sharing options...
fruity Posted March 7, 2015 Author Report Share Posted March 7, 2015 Ok thanks guys for your help and advice , I'll have a look when I get home and get some ordered Quote Link to comment Share on other sites More sharing options...
Salop Matt Posted March 7, 2015 Report Share Posted March 7, 2015 I watched a few YouTube videos and ended up going for nitecore battery's and a nitecore smart charger! A bit pricey but am happy ! ATB Matt Quote Link to comment Share on other sites More sharing options...
NathanM Posted March 7, 2015 Report Share Posted March 7, 2015 Just about to say the same, pleased with Nitecore batteries, and you can get them in different capacities. As a bonus, they are also yellow! Quote Link to comment Share on other sites More sharing options...
fruity Posted March 7, 2015 Author Report Share Posted March 7, 2015 From the net :''Around 7000 individual cells, coded NCR18650A by their supplier Panasonic, are used in each Model S pack. Rated at 3100 mA·h'' Tesla use the above, currently, so must be good. Most rated above 3Ah are to be scrutinised carefully - the capacity can be pushed up by charging to a higher end cell voltage, but the life of the cells are considerably reduced. Generally the more expensive cells from the trusted manufacturers do what it says on the can. Lower quality and 'seconds' go to the re-branders - as well as recovered cells from anywhere and everywhere. Look on u-toob or goggle 18650 and see somd of the fakes that are around. It may not be ****fire that you actually have..... What is your current drain and how long do these field sessions last? If you are using cells in series there may be one cell pulling down the rest I only got just over an hour out the one last night , went back to the truck for a part charged one.. Just low grade batteries so need to upgrade Quote Link to comment Share on other sites More sharing options...
FalconFN Posted March 7, 2015 Report Share Posted March 7, 2015 I have the nitecore d2 charger - great charger for the unprotected cells I use and not too expensive. Quote Link to comment Share on other sites More sharing options...
fruity Posted March 7, 2015 Author Report Share Posted March 7, 2015 Fruity, If you are interested, i had listed some 18650s in the classifieds. They are samsungs and from all of the reviews quite good ones. They don't fit my light and i have found an alternative. I haven't had a chance to relist them. http://forums.pigeonwatch.co.uk/forums/topic/303501-4x-18650-samsung-batteries/?hl=18650 Rick Can you pm me a price and info please Rick Cheers Quote Link to comment Share on other sites More sharing options...
V8 90 Posted March 7, 2015 Report Share Posted March 7, 2015 Nitecore are the best Quote Link to comment Share on other sites More sharing options...
fruity Posted March 7, 2015 Author Report Share Posted March 7, 2015 Nitecore batteries and charger ordered Thanks for all the advice guys its appreciated Quote Link to comment Share on other sites More sharing options...
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