• Charging Module for 3S 18650 Lipo Batteries

    Hello smart people, I'm making a project that will eventually become a product and I need to get to a conclusion on what battery charging system I'll use. My constraints are size (needs to be as small as possible), will have to charge 3x 18650 Li-po and…

  • Usare batteria laptop in un progetto

    Salve a tutti, mi chiedevo se qualcuno di voi fosse a conoscenza del meccanismo di ricarica ed erogazione di corrente per quanto riguarda la batteria per il laptop Acer TravelMate di serie 6414, 6413, 5310, 5730G, 5720G, 5720 e l'eventuale pinout della…

  • Battery charger current draw calculation

    Hello Everyone, Lately I have been trying to figure out how to calculate the current draw of circuits but I ran into a problem with battery charging circuits. My question is whether to plug in the battery to the circuit to obtain a correct reading? Thank…

  • HOW TO WIRE A BATTERY PACK SO IT CAN CHARGE WILE BEING USED????

    HOW TO WIRE A BATTERY PACK SO IT CAN CHARGE WILE BEING USED???? im trying to make a battery powerd car hourn modle the problem in having is 1. how do i wire the batterypack so it can charge whilits its being used? 2. whut will i need to do it ? 3. what…

  • charging ratio of 7.5v Output niMH battery w/ 12v Input charger

    I have several Motorola HNN9009AR: 7.5V/1800mAh NiMH Batteries that go with my Motorola 2-way radio's. The charging base has been lost. Does anyone know the charging ratio if I connect a 12v input charger to one, so that I don't burn it out?

  • How to use a 7.4v 2S LiPo with integrated charging for my project?

    How would I go about including a 7.4v 2S LiPo battery with integrated charging in my project? The ideal situation for me would be to have the battery and charging in the project so that I could just connect a USB or barrel jack connector for charging…

  • 18650CA-1S-3J Battery "Specified Charger"

    I've purchased the above battery to test it's viability for a product my company is designing. 18650CA-1S-3J BAK, Rechargeable Battery, 3.7 V, Lithium Ion, 2.25 Ah, Connector, 18.5 mm | Farnell UK On the outside of the battery there's a label which states…

  • Battery Replacment for Catalyst 2948G

    I have this rack mountable cisco switch, that is rather old, but its gigibit and the only 48 Port switch that I can get my hands on. Well I have two one that is working all good and this second one where the 3v coin battery is pumping out 0.5v compated…

  • LP-573442-1S-3  Charging, LiPo chargers

    Hi, I recently purchased the LP-573442-1S-3 LP-573442-1S-3 lithium polymer battery Is there a recommended charger for this battery I have previously purchased LiPo batteries from Sparkfun and there was the option to purchase a charger that charged the…