Battery charging. Voltage drop.

Discussion in 'The Workshop' started by craig c, Aug 11, 2019.

  1. craig c

    craig c New Member

    Messages:
    6
    Hi,

    I'm trying to charge up my maintenance free 12v battery using the following charger:

    https://www.tayna.co.uk/battery-cha...NHljpzaVaJyNu4ZbNYrETQ_kRyrGDoGYaAkSiEALw_wcB

    All connected correctly, RED light comes on to indicate its turned on, YELLOW light comes on to indicate charging but despite being on for around 12 hours total over 2 days (turned off overnight to be safe) it never turns GREEN to show fully charged.

    On top of this I've been monitoring the voltage using an multi-meter and before I started charging the battery it was at 12.58 volts and after a lengthy charge its dropped down to 12.42 volts.

    Is it meant to drop during charging or is something wrong somewhere?

    I'm puzzled by this.
     

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