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Simón S.
Comentado en México el 6 de abril de 2025
Desde que lo compré la batería no dura más de 1 hora. No recomiendo comprar este producto.
Caveat Emptor
Comentado en Canadá el 20 de febrero de 2024
I use this on a wheelchair that has an anti-gravity air seat, and also a very bright headlight and it runs them both at the same time no problem! I highly recommend it.
ReginaLF
Comentado en los Estados Unidos el 15 de octubre de 2024
A while to find a replacement battery for my O2 portable tank. Value for the money nice.battery life-4 hours. Easy to use. Size is OK. Functionality is great.Thank you. Regina
Customer
Comentado en Canadá el 16 de agosto de 2023
I'm fortunate to have a hybrid SUV with a 120V socket at the back end.I have two dash cams (different models) to cover the front and back. The battery's 120V charger is plugged into the SUV 120V receptacle, permanently switched on, with one camera plugged into the USB outlet and the other in the 9V outlet. I had bought a female cigarette lighter adapter to receive the male end on the rear camera, and also a DC 5.5x2.1 mm male-to-male coupler to connect the cigarette adapter to the battery cable to the 9v outlet. All parts were obtained on Amazon.After starting the car, with the transmission in park, I tap on the "1500W" icon on the screen and the battery receives the power from the car, if needed. If the battery was dead, it immediately starts charging while operating the cameras simultaneously. When I park the car and turn off the ignition, charging stops and the cameras continue working in the parking mode for as long as there is power in the battery. A full battery runs the cameras in parking mode for about 30 hours.I've been running this for a few days, and that exact routine is followed every time as tested with many short drives and one longer run of about 80km. The battery only gets slightly warm when charging.I am very happy with this battery so far and will update if necessary.
WCat
Comentado en los Estados Unidos el 5 de mayo de 2022
Someone else on an Amazon review recommended this for powering their Celestron scope instead of the short-lived internal alkaline batteries. I am very pleased with the value, the relatively small size, and the option to supply both 12-14V DC output as well as 5V for USB. Although this is a lithium battery, it is the much safer LiFePO4 chemistry that won't catch fire and can be recharged many more times than lithium ion or Li-Poly types. I'm a big fan of this stable and reliable battery chemistry.I also prefer the simple green 4-LED bar graph to others that I've seen or used that show percent of charge on a display, or have a blue LED or two without much else. This one gets the job done and doesn't waste energy powering a backlit display. It's also much easier to read at a quick glance, and doesn't throw off lots of light, which is what I need for night telescope viewing. I tied it to my scope's eyepiece holder tray with a bungie cord, and it's there to stay.I have no reservations about recommending it. Great combo of price, size and function. It's also safe to carry on airlines (assuming they understand the differences in lithium battery types).
Lyn Chapman
Comentado en Canadá el 12 de septiembre de 2022
No se pudo cargar el contenido.
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