Review on Rechargeable 12V 3000MAh Lithium Battery Pack: Power Bank For LED Strip, CCTV Camera & More by Cedric Edwards
Good capacity: my feedback
I use it for a Morse code keyer in code class. Nice that it's rechargeable. Comes with a Y connector that will let you charge the unit and/or power something else with the one cable. I bought a separate jumper cable but didn't actually need it.
Pros
- Rechargeable DC12V and 5V USB Double Output Lithium ion battery pack. Small size, 3000mAh high capacity, easy to carry. Voltage range of the 12V output port is 12.6-9V, it is not constant, compatible with most 12 volt devices.
Cons
- Might malfunction if dropped or exposed to excess pressure
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