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12v rechargeable battery

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12v rechargeable battery Customers Reviews

  • Longest lasting battery

    posted by bestenemy

    Straight to the point design with nothing extra. Nice and compact.
    The charge indicator lights are located on the adapter as oppose to the battery pack. The upside is that the pack has fewer components - just a switch and a power LED. The downside is that because of it you can't substitute the power supply with a more powerful one. Wouldn't risk it anyway, since the pack has no ventilation and may overheat with anything higher than the rated current.
    Great backup battery for just about anything that runs off 12V. Enough capacity to last for a long long time.
    Other online vendors sell bare lithium cells for more than this package is worth. Highly recommend.
    The power switch on the pack stands out and sometimes gets accidentally pushed when the device is carried in a bag. Secure it properly when transporting.
  • Bought this to use in a metal detector I built

    posted by MX360

    Works as expected, no issues, used it for about 30 hours before my metal detector stopped working. Thought it was fully charged the night before. Been using the detector 4 weeks without realizing it was not being charged when the charger was hooked up. Found to charge the battery switch must be in the on position. Green light on the charger light as well as the red light. When charged the green light will go out.
    I opened the battery with a Dremel to grind out the epoxy in the holes were the 4 case screws were, I rewired the rocker switch to toggle to fit into a different box.
    Thinking of using these batteries again for my other detector builds. Saves $$ over buying disposable AAA batteries every 20 hours.
  • better than what I expected

    posted by efert

    It works, the switch and the light are useful, for what ive used it for it last plenty long enough, cheep
    I wouldn't expect the battery to be 6800 mAh, but i have no idea how to measure that, and really it works for what i use it, and it seems to last more than long enough.
    I use this to power an amp(sku 34408) and a pair of old bookshelf speakers attached to my rear bicycle rack. From my experiences the battery lasts over 3hours(probably longer but i haven't needed to run it any longer than 3 hours), but my speakers are not very powerful either. the ac adapter also works to power the amp when i use it indoors.
  • Very neat device

    posted by jhgreenstein

    I really like this unit. I'm not sure of the real capacity as I haven't tested it but it holds it's charge well, doesn't overheat on charging or usage and is compact. The two plugs is a nice touch which meansd you can leave it connected permanently to the load as well as the charger which is what I do for security cameras. If the power goes you have automatic backup for a few hours.
    When the Dreamlines wer grounded due to a Lithium battery explosion I was a little worried about leaving these in unattended installations.Make sure there is a smoke/fire detector installed.
    good
  • It's nice...

    posted by patrickmaxxcc

    It works, of course, comes with a little bit of charge. You can use it to power up a lot of devices, I use mine do feed a video receiver and a LCD monitor.The battery life is fine, since you use it just casually.It's well built, looks solid. It powered my router without any problem, so, it works fine.
    It's smaller and easier than a 11.1v Li-Po battery.
    Don't have reason to not buy it. If you need it to replace a 11.1v lipo battery (which don't last too much as this battery), if you want to make your device portable or whatelse you need it, you really should buy, it's a cool product.

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