View Full Version : FOUND** Inexpensive Lipo Charger
06-23-2006, 06:59 PM
Hello all. I am looking for a small, inexpensive Lipo charger. Something like a Celectra, Apache 2500, TP425, Hobbico, etc... Looking for up to 3 cells and 2A charge rate. I found a bunch of Polycharge's cheap, but they only go to 1A max. I just need something to supplement my CSRC Balance Charger and for some small packs that dont have balance taps.
06-23-2006, 08:00 PM
Here is a charger we just started to stock. It has good quality parts and is autodetect. It will charge up to 4S and 2.5A, so I am not sure of how "cheap" you wanted to go, but this isn't cheap. It is inexpensive.
06-23-2006, 09:42 PM
The first one on the page, the Graupner seems to meet your requirements.
From their page:
3-1/2 x 2 x 7/8". Fully automatic charger for Lithium Polymer battery packs with 1 to 4 cells. Connect to your auto battery or a 12V power supply. Automatically detects the number of cells with 1 to 3 cell packs, 4 cell packs must be manually set by push button. Charger auto detects the cell capacity and sets the charge current; the charge is monitored continuously through the charging process and the optimum charge rate maintained. LED's indicate charge status, blinking LED and audible beep indicates completion of charge. Maximum charge rate is 3 amps. Charger has safety protection for reversed polarity (input or output), low input voltage, incorrect cell count and incorrect cell type (eg. NiCad/NiMH).
GR6437 http://www.hobby-lobby.com/images/grmicrologo.jpg "LiPo-Charger 4" Automatic 1-4 Cell Charger ..... $ 29.90
06-25-2006, 01:43 AM
I have a Apache 2500 I can part with since I have a vision peak that I use. LMK will also trade for reciever micro servos:)
06-25-2006, 05:53 AM
I use (and love) two of those Graupner Lipo Charger 4 chargers. They are as close to error-proof as any charger can be - we fallible human users cannot accidentally mis-set the charge current or cell count, because this charger does not let you. All you do is push one button to start the charge!
As qban_flyer said, this charger does require user intervention to charge a 4S pack - you hold down the button long enough to tell the charger "this is a 4S pack". The reason for this is that there is no safe way to autodetect a partially discharged 4S pack from a fully charged 3S pack (both could have between 12 and 12.6 volts).
06-26-2006, 03:16 PM
Q and Beagle,
I think I am going to try out the Lipo 4. After wading through the mega thread on the other site, it seems to work well. Only complaints I have seen are that its slow. That doesnt bother me since I dont charge at the field.
Thanks for the info!
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