Just got my first mod today (5v box mod from cybervex). Don't want to call it a Bartelby cause its missing the usb connection and lights. It uses these 14500 batteries and this charger. Do i need to charge them first? How long do i charge them for? And with this combo of batteries and charger will the charger cut off when the batteries are charged? Would hate to over charge them.
Battery question
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I have those same batteries and charger. The batteries are the protected ones. They came precharged and I used them right off the bat (no pun intended) till the charge cut out. The charger is separate channel so you could charge one or both bats at same time. The leds turn green when they are fully charged but I don't know if it continues charging or not but since bats are protected the pcb cuts the charge. My only ..... was no manual for the charger had to search info. Hope this helps ya and if I'm wrong or missed anything, I'm sure the helpful members here will chime in with further help. They are great ppl here.
you should have spent the extra 3 cents and got the protected ones. from the same place
TrustFire Protected 14500 3.7V 900mAh Lithium Battery w/ PCB [TrustFire 14500] - $2.68 : High Tech DealZ, Simplifying the LASER Hobby!
as for the chrager
I have that one and it works great, it should stop charging the batteries at 4.2v and the light will turn green.
TrustFire Protected 14500 3.7V 900mAh Lithium Battery w/ PCB [TrustFire 14500] - $2.68 : High Tech DealZ, Simplifying the LASER Hobby!
as for the chrager
I have that one and it works great, it should stop charging the batteries at 4.2v and the light will turn green.
Cybervex threw those batteries in but i just ordered the pcb so i should have them soon. More worried about an accident with over charging them. How long will they last before i need to recharge them? Will i get 2 or 3 days before they need charged?
Depends on how you use them. I'm using them 2 bats in parallel and getting 2 days before recharging at moderate vaping. 900 mah takes about 3 hours to recharge on the tr-001.
Since Li-on batteries don't have any memory(performance and capacity aren't affected by how far you discharge them) I'd recommend getting multiple sets and topping them off frequently. Also I think I read(at Battery University or candle power forum) that you should pop them out of the charger as soon as you get a green light to avoid over charging which could adversely affect performance. Also you should never charge the batteries unattended, these are cheaply made batteries and chargers and any malfunction could result in venting or fire.
Here is some instructions on how to handle Li-on batteries that I found on cpf:
I just found a good thread.
http://www.candlepowerforums.com/vb/...d.php?t=213738
Quote:
Originally Posted by 1dash1 - From link above
You've already taken some right steps: purchased high quality li-ion cells, using a charger that is dedicated for charging 10440's, pulling the cells as soon as the light turns green, and are applying the cells in an application with a discharge protection circuit. Most importantly, you are alert for the potential danger.
Other prudent measures:
1. Don't drop or otherwise physically abuse the cells. (One of the more obscure ways of abusing cells is via too-tight-battery-tubes. Tightening the head or tail cap can crush batteries.)
2. Periodically examine the cells for signs of damage, leaks, dents, bulges. (Just because the cell is dented doesn't mean that you have to throw it out, but it does raise a red flag and you should scrutinize it more often. On the other hand, if there are any telltale signs that the cell has vented, I'd suggest that you immediately remove it.)
3. Only charge cells when you are physically present, just in case something goes wrong.
4. Periodically, touch the cells in the charger case, to check that they are not overheating.
5. Periodically, check your starting and ending voltages to get a "feel" of how long it should take to recharge the cells from a certain level of depletion to full charge.
6. Install a cutoff timer to automatically turn off the charger, just in case you forget. (This is something increasingly necessary at my age. )
7. If you rotate cells, check the starting voltage of the cell that you've stored and are about to put into service. The voltage drop (other than rebound effect) from the time that it was freshly charged should be negligible.
8. Properly store the cells at room temperature. Plastic AAA cases are fine. (I store my larger cells in penny- and dime-size plastic coin tubes.) If you plan on storing them for extended periods, it is recommended that you discharge them to approximately 3.9~4.0 volts to maximize the their longevity.
9. Label your cells so that they are individually identifiable. (I number them with a Sharpie. If I purchased just one cell, I label it with a simple number, e.g., "1". If I purchased a set of cells, I label them with numbers and alphas, e.g., "2A, 2B, 2C, 2D".) Labeling ensures that I can keep track of inventory - particularly dates. I can easily tell whether two cells came from the same purchase or which one is older. Others keep track of the total number of cycles each cell has been recharged.
10. When using multiple li-ion cells in series, be careful that they are properly matched (voltages, capacities). Mismatched cells are a high risk situation that you should be aware of and avoid.
11. Do not throw Li-ion cells away in the regular trash. Turn them in to your local hazardous waste recycling center.
Except for the last two items, I don't expect you to do everything on the list. However, if you check them every once in a while, you'll soon become familiar enough with your cells that you can tell when they are misbehaving."
Here is some instructions on how to handle Li-on batteries that I found on cpf:
I just found a good thread.
http://www.candlepowerforums.com/vb/...d.php?t=213738
Quote:
Originally Posted by 1dash1 - From link above
You've already taken some right steps: purchased high quality li-ion cells, using a charger that is dedicated for charging 10440's, pulling the cells as soon as the light turns green, and are applying the cells in an application with a discharge protection circuit. Most importantly, you are alert for the potential danger.
Other prudent measures:
1. Don't drop or otherwise physically abuse the cells. (One of the more obscure ways of abusing cells is via too-tight-battery-tubes. Tightening the head or tail cap can crush batteries.)
2. Periodically examine the cells for signs of damage, leaks, dents, bulges. (Just because the cell is dented doesn't mean that you have to throw it out, but it does raise a red flag and you should scrutinize it more often. On the other hand, if there are any telltale signs that the cell has vented, I'd suggest that you immediately remove it.)
3. Only charge cells when you are physically present, just in case something goes wrong.
4. Periodically, touch the cells in the charger case, to check that they are not overheating.
5. Periodically, check your starting and ending voltages to get a "feel" of how long it should take to recharge the cells from a certain level of depletion to full charge.
6. Install a cutoff timer to automatically turn off the charger, just in case you forget. (This is something increasingly necessary at my age. )
7. If you rotate cells, check the starting voltage of the cell that you've stored and are about to put into service. The voltage drop (other than rebound effect) from the time that it was freshly charged should be negligible.
8. Properly store the cells at room temperature. Plastic AAA cases are fine. (I store my larger cells in penny- and dime-size plastic coin tubes.) If you plan on storing them for extended periods, it is recommended that you discharge them to approximately 3.9~4.0 volts to maximize the their longevity.
9. Label your cells so that they are individually identifiable. (I number them with a Sharpie. If I purchased just one cell, I label it with a simple number, e.g., "1". If I purchased a set of cells, I label them with numbers and alphas, e.g., "2A, 2B, 2C, 2D".) Labeling ensures that I can keep track of inventory - particularly dates. I can easily tell whether two cells came from the same purchase or which one is older. Others keep track of the total number of cycles each cell has been recharged.
10. When using multiple li-ion cells in series, be careful that they are properly matched (voltages, capacities). Mismatched cells are a high risk situation that you should be aware of and avoid.
11. Do not throw Li-ion cells away in the regular trash. Turn them in to your local hazardous waste recycling center.
Except for the last two items, I don't expect you to do everything on the list. However, if you check them every once in a while, you'll soon become familiar enough with your cells that you can tell when they are misbehaving."
Time how long it takes to charge then use a timer to automatically shut it off.
Here is a cheap timer on Amazonhttp://www.amazon.com/Woods-5559206-Countdown-Digital-Timer/dp/B001DD7YSE or http://www.amazon.com/57696-Light-Sensing-Indoor-Outdoor-Timer/dp/B0015GPNYG/ref=sr_1_6?ie=UTF8&s=home-garden&qid=1266514299&sr=8-6
Here is a cheap timer on Amazonhttp://www.amazon.com/Woods-5559206-Countdown-Digital-Timer/dp/B001DD7YSE or http://www.amazon.com/57696-Light-Sensing-Indoor-Outdoor-Timer/dp/B0015GPNYG/ref=sr_1_6?ie=UTF8&s=home-garden&qid=1266514299&sr=8-6
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Been digging down through the flashlight forum and it seems that the Pila IBC charger has a reliable automatic cutoff when the cells reach full voltage.
Pila IBC Charger Compendium - CandlePowerForums
Buy here:
Buy Pila IBC™ 4-stage Charger, AC Adapter, Carrying Case | Pila BC01-AC01
So that should be fairly safe. They are about 4 or 5 times the price of the Ultrafire WF-139 charger though. There seems to be some uncertainty if the ultrafires cutoff(good) or continues with a trickle charge(bad) after the green light comes on. Also it looks like there are three different versions of the ultrafire wf-139 in circulation, possibly each with a different charging algorithm. There is also this cheap Chinese charger that seems to have a cutoffSheKor Charger for 18650/17670/18500/17500/14500/16340/ - CandlePowerForums
Buyhttp://www.kaidomain.com/ProductDetails.aspx?ProductId=9650
Pila IBC Charger Compendium - CandlePowerForums
Buy here:
Buy Pila IBC™ 4-stage Charger, AC Adapter, Carrying Case | Pila BC01-AC01
So that should be fairly safe. They are about 4 or 5 times the price of the Ultrafire WF-139 charger though. There seems to be some uncertainty if the ultrafires cutoff(good) or continues with a trickle charge(bad) after the green light comes on. Also it looks like there are three different versions of the ultrafire wf-139 in circulation, possibly each with a different charging algorithm. There is also this cheap Chinese charger that seems to have a cutoffSheKor Charger for 18650/17670/18500/17500/14500/16340/ - CandlePowerForums
Buyhttp://www.kaidomain.com/ProductDetails.aspx?ProductId=9650
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interesting, been searching for a countdown timer since you posted the info but cant come up with anything except for the woods one. Most of what ive seen are simply programmable timers that you set what time of the day you want something to turn off or on. Except this one UPM Remote Control Timer Set (RCT100 + TR430).
Here are some more timers that I found:DealExtreme: $9.99 Westinghouse Holiday Count Down Photocell Timer (for AC 125V/60Hz Only)
Programmable Receptacle Timer - Smarthome
Amazon.com: Ge 8HR Mechanical Blk Timer 2 Outlet Grnd: Electronics
http://cableorganizer.com/bestlink/remote-controlled-outlet.htmhttp://www.google.com/products?q=Remote+Control+Power+Switch+w/Timer&oe=utf-8&scoring=p
Here is some info from a thread on the WF-139
"If the charge is terminated by the cells protection, which is very common when protected RCR123 or similar size cells are charged in this charger, the cell will not be trickle charged because the cells protection will hold the circuit closed after it has tripped."
Running tests on the WF-139. Interesting results. A must read for WF-139 users. - CandlePowerForums
here is a video that the threads starter made of WF-139 charging RCR123 cells. The charger kept charging and it was the cells own pcb's that terminated the charge.YouTube - WF-139
Here is a post showing whats in a protected cell:The anatomy of a Protected Battery - CandlePowerForums
This thread has links to almost everything you'd want to know about rechargeable batteries:TTA's Picks for Best Answers to Rechargeable Battery Questions - CandlePowerForums
Programmable Receptacle Timer - Smarthome
Amazon.com: Ge 8HR Mechanical Blk Timer 2 Outlet Grnd: Electronics
http://cableorganizer.com/bestlink/remote-controlled-outlet.htmhttp://www.google.com/products?q=Remote+Control+Power+Switch+w/Timer&oe=utf-8&scoring=p
Here is some info from a thread on the WF-139
"If the charge is terminated by the cells protection, which is very common when protected RCR123 or similar size cells are charged in this charger, the cell will not be trickle charged because the cells protection will hold the circuit closed after it has tripped."
Running tests on the WF-139. Interesting results. A must read for WF-139 users. - CandlePowerForums
here is a video that the threads starter made of WF-139 charging RCR123 cells. The charger kept charging and it was the cells own pcb's that terminated the charge.YouTube - WF-139
Here is a post showing whats in a protected cell:The anatomy of a Protected Battery - CandlePowerForums
This thread has links to almost everything you'd want to know about rechargeable batteries:TTA's Picks for Best Answers to Rechargeable Battery Questions - CandlePowerForums
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In reply to your question about the trustfire cell they should cutoff at 4.33v which is safe but above the 4.2v recommendation for maximizing cycle life.
The capacity seems greatly exaggerated:
Trustfire 14500 900mAh protected - Measurements - CandlePowerForums
The capacity seems greatly exaggerated:
Trustfire 14500 900mAh protected - Measurements - CandlePowerForums
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