Hawkeye[501st] Posted November 28, 2013 Report Share Posted November 28, 2013 Hi Guys Anyone here using powerbanks to power fans in helmet? I was thinking of using a USB powerbank, I have seen on trooper using this in Brunei, and seems like a cool idea. Quote Link to comment Share on other sites More sharing options...
gmrhodes13[Staff] Posted November 28, 2013 Report Share Posted November 28, 2013 I'm using a battery pack from remote control cars, nice and flat and lasts a lot longer than the 9v batteries Quote Link to comment Share on other sites More sharing options...
Clamps[TK] Posted November 28, 2013 Report Share Posted November 28, 2013 I'm using a battery pack from remote control cars, nice and flat and lasts a lot longer than the 9v batteriessame for me. I can easily get 5 hours of fan in the same footprint as a single 9v Quote Link to comment Share on other sites More sharing options...
Tolo[TK] Posted November 28, 2013 Report Share Posted November 28, 2013 same for me. I can easily get 5 hours of fan in the same footprint as a single 9v Can I see what it looks like, if you don't mind? Sent from my iPhone 5 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Hawkeye[501st] Posted November 29, 2013 Author Report Share Posted November 29, 2013 This is what i have, the black rod fits nice in the helmet, i have 2 of this. The silver one can also be used...i have not tested how long they last, but will do this weekend Quote Link to comment Share on other sites More sharing options...
Tolo[TK] Posted November 29, 2013 Report Share Posted November 29, 2013 This is what i have, the black rod fits nice in the helmet, i have 2 of this. The silver one can also be used...i have not tested how long they last, but will do this weekend How many volts is the 1st one? And how do you charge it? Thanks!! Sent from my iPhone 5 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Clamps[TK] Posted November 29, 2013 Report Share Posted November 29, 2013 (edited) On 11/29/2013 at 7:02 AM, Tolo said: Can I see what it looks like, if you don't mind? Sent from my iPhone 5 using Tapatalk Here it is. What you see is the 12v fan. Battery is about 3cell 1000mah 11.4v. It's wired Through a 3 position switch which allows for full battery power, off and a voltage regulator to step it down to 5v for those troops that don't require as much cooling of ventilation. ---------- Edited March 30, 2022 by gmrhodes13 link removed no longer working Quote Link to comment Share on other sites More sharing options...
Clamps[TK] Posted November 29, 2013 Report Share Posted November 29, 2013 PS: I have two batteries When it needs a charge in pop it out (Velcro) and plug in the small white connector to a charging unit. Quote Link to comment Share on other sites More sharing options...
Tolo[TK] Posted November 29, 2013 Report Share Posted November 29, 2013 (edited) Wow Clamps, this looks good!!! I need to get something like that! But hiw did you connect it to your fan? Sent from my iPhone 5 using Tapatalk Edited November 29, 2013 by Tolo Quote Link to comment Share on other sites More sharing options...
Tolo[TK] Posted November 29, 2013 Report Share Posted November 29, 2013 (edited) Is this any good? ----------- Edited March 30, 2022 by gmrhodes13 link removed no longer working Quote Link to comment Share on other sites More sharing options...
Clamps[TK] Posted November 29, 2013 Report Share Posted November 29, 2013 Wow Clamps, this looks good!!! I need to get something like that! But hiw did you connect it to your fan? Sent from my iPhone 5 using Tapatalk if you want to just connect it directly, you can purchase a connector that fits your battery (the RC store where I bought the battery sold me the male connector). Wire that to your fan and it is instant on when you connect the two. OR you can wire in a switch, again pretty straight forward. The complicate step is adding in the three way switch that allows full power or 5V step-down, that took a little finessing and help from a friend with more skill than I have. He gutted a car USB charger for the circuitry and voila 5V option. This way it is not over draining the battery using resistors. Quote Link to comment Share on other sites More sharing options...
snoopy trooper[TK] Posted November 29, 2013 Report Share Posted November 29, 2013 I have some fixing on the bucket but im so going to do this and see if I can get more power / time to the fans that longer Quote Link to comment Share on other sites More sharing options...
Hawkeye[501st] Posted November 29, 2013 Author Report Share Posted November 29, 2013 (edited) How many volts is the 1st one? And how do you charge it? Thanks!! Sent from my iPhone 5 using Tapatalk The first one has capacity of 2500mAh, dc output of 5.0v, however its powering my 12v fan just fine, and good enough not as powerful as the lithium battery pack i have But i will test this, and if it works, it keeps the helmet lighter And you can charge it on your laptop USB port, or any usb port Edited November 29, 2013 by Hawkeye Quote Link to comment Share on other sites More sharing options...
Tolo[TK] Posted November 29, 2013 Report Share Posted November 29, 2013 Thanks for the input guys! Sent from my iPhone 5 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.