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Questions regarding Li-Po batteries (Lithium-ion Polymer, Polymer Lithium Ion or more commonly known as Lithium Polymer), including proper charging and usage.

3
votes
1answer
I'm trying to figure out how to power my project using LiPo batteries and a solar charging circuit. The project will draw up to 2A at 3.3V. I did a search for IC LiPo charging chips that also allow … try and solder an SMT chip to my protoboard. As an alternative to using a single battery with a charging circuit that allows a load to be applied simultaneously, I am now considering using 2 LiPo
asked May 10 '14 by macdonaldtomw
2
votes
1answer
So, I want to know if I can hook up a 6V 2 watt solar panel to the Vchg pin on a SIM908 gsm/gps module and trickle charge my 6Ah LiPo battery that way. A little background... So, I have completed … changes even a >little, and the current the lipo charger wants is higher than the short circuit current, >the charger becomes unstable: it will draw too much current, which will cause the voltage >to …
asked Dec 16 '14 by macdonaldtomw
1
vote
1answer
simulate this circuit – Schematic created using CircuitLab So, I have two 2000 mAh LiPo batteries that are going to be powering a GSM modem (on an arduino shield) a GPS and a motor. I … for the shield and 6V needed for the motor. The problem then arises: how do I charge the LiPo batteries back up, using only my external microcontroller and the charge controller that came with the …
asked Apr 6 '14 by macdonaldtomw
1
vote
1answer
I have an iComSat GSM Arduino Shield (based on the sim900) and a gear motor that I am planning on using with a Teensy 3.1 microcontroller. I'd like to power the whole rig using a 2000mAh LiPo … Battery Cell. So I have: Teensy microcontroller Vin= 3.4 - 4.5V GSM Shield __ | Vin=9-20V _ Iavg=500mA _ Ipulse=2000mA Gear Motor __ | Vin=6V _ Ifree=70mA _ Istall=1600mA LiPo
asked Mar 25 '14 by macdonaldtomw