Battery Charger Forum Ground Rules

Welcome to the Battery Charger Forum.  In order to help us give you the level of support that you are used to receiving please:

1) Make your login your first and last name.  This makes it easy to contact you outside the forum when necessary. 

2) Start the Subject line with the part number, FOLLOWED by a short description of what the post is about.  This helps others understand the basic contents of the forum post.  Experience shows that posts with better subject lines get better and quicker responses.

3) Please use tags for your posts.  Include the part number in question plus additional key words such as "ripple, failure, efficiency, overcurrent, etc." The tags improve future search functionality and will help others find the post if it is relevant to their problem.  

4) If you are satisified with the answer, PLEASE mark the thread as "Answered."

12 Replies

  • We are in a process of making “lithium polymer battery” charger with following specification:

    1: voltage: "12 V " 

    2: Power: "4400mah"

    3: Operating temperature during Charging: "0-45℃"

    4: Charging current: "0.5C" at rapid charge  

    Simultaneously we also want to to drive load circuit ">25 amp at 9V".

    On the basis of our knowledge and search, we find IC "BQ24725A” is in accordance with our requirements. Could you please confirm whether this is a right choice or not?  

    If you have any other better solution to our requirement, please share details. 


    Please share your feedback and suggestion, to find the optimum solution for our requirement. 



    Akashay Singla

  • In order to choose the right battery cell to your device, you need to know its technical requirements. The chosen cell must at least comply with this requirements.
    There is a today a large selection of good and safe chargers on the market, which one can use. You should however make sure, that the charger does not overcharge the batteries and does not recharge the batteries very fast