Thread: Store batteries on or off the charger?

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  1. #1 Store batteries on or off the charger? 
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    Should the batteries (Red Bricks) be kept on the charger when not in use? (Switronix XC-4LSRED) There will be extended periods where we are readying the next production and shooting will be at a minimum. The batteries may go weeks (or longer) without seeing any use.Thanks!J
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  2. #2  
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    always store batteries off the charger.
    If stored for longer periods, charge to about 70% capacity and top up before use.
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  3. #3  
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    Off the charger as Pawel says. And search for videos online for what can happen to Lithium batteries if they choose to catch on fire. This includes iPhones and Boeing 787's, seems no end to the evils or immunity of those things.
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  4. #4  
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    when you say "on the charger" does it this mean they are also charging too or just connected in storage? I store my Sony L battery for my Sound Devices Recorder on the charger just for space.
    Michael Notar

    WWW.SHUTTERWORKSFILM.COM
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  5. #5  
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    Keeping batteries on the charger (not charging) will cause slow rate of discharge through the charger.
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  6. #6  
    Senior Member Daniel Stilling's Avatar
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    I was always told by Anton Bauer people that Li-Ion batteries should be kept at all times, when not using, on the (turned on) charger, to keep the cells fresh.
    I know from my expensive own experience that if you let the batteries discharge over a certain low point, they die, and can't be brought back...
    Daniel Stilling, DFF (Danish Society of Cinematographers)
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  7. #7  
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    Thanks for the replies. I have six batteries and four of them just sit on the charger, I assume being monitored by the charger. I know more about deep cycle lead-acid batteries, but I am fairly ignorant of the other chemistries. The charger is designed for the bricks and does a slow-fast-slow charge cycle and offers a top-off and maintenance mode but I don't have the manual to know whether to keep them on there. I have an email into Switronix to see what they have to say.
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  8. #8  
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    Best to take the advice of your particular manufacturer.
    Director/Digital Camera Operator/2nd AC/DIT/Data Manager
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  9. #9  
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    I was always told by Anton Bauer people that Li-Ion batteries should be kept at all times, when not using, on the (turned on) charger, to keep the cells fresh.
    Agreed. I was always told by AB o store on chargers. I guess it depends on how smart your charger is.

    Nick
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  10. #10  
    Senior Member Steve Sherrick's Avatar
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    What about RED chargers? What's the latest consensus on that?
    Steve Sherrick
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