Trickle Charge Batteries

Discussion in 'General Electronics Chat' started by spike1947, Feb 21, 2016.

  1. spike1947

    Thread Starter Member

    Feb 4, 2016
    39
    0
    Hi

    I am wanting to know how I can rig up a simple trickle charge for 4 x AAA Ni-MH Rechargeable Batteries .I need them to run a 5 volt laser for a security set up I am making .

    cheers

    spike
     
  2. Dodgydave

    Distinguished Member

    Jun 22, 2012
    4,982
    744
    Do you want to charge them single or all together in series?
     
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  3. spike1947

    Thread Starter Member

    Feb 4, 2016
    39
    0
    Hi Dodgydave

    Thanks for your reply , I want to charge them together .

    cheers

    spike
     
  4. Dodgydave

    Distinguished Member

    Jun 22, 2012
    4,982
    744
    Last edited: Feb 21, 2016
    spike1947 likes this.
  5. MrAl

    Well-Known Member

    Jun 17, 2014
    2,430
    490
    Hi,

    Low current is the key to longer life. Maybe C/40 or so. They dont put up with overcharging as well as NiCd.
     
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