Description: Another budget power bank that you can add up to your list is the Vinsic VSPB304. It has 20,000mAh battery life, big enough to keep your phone alive for days. You will also receive a carrying pouch out of the box, which is very nice. There’s a battery indicator in the bottom right of the device to tell you how many energy left inside. As usual, Vinsic VSPB304 has two USB sockets, meaning you can charge two devices at once. The charging speed is averagely 2.0A just like most power banks.
Construction Of which materials the power bank is made.
Color What color is the exterior of the power bank.
Battery Type Detailed information about the type of battery the device uses. There are 4 battery types : Lithium Ion, Lithium Polymer, Nickel Cadmium and Nickel Metal Hydride. Most of the devices nowadays use the Li-Ion battery type because it is the most lightweight and sufficient battery out there.
Battery Capacity Information about the capacity of the battery. Measured in Milliamp Hours or mAh. The bigger the mAh the longer your projector stays up and running. The battery capacity varies from 1000 to 4500 mAh.
Charging time How much time the power bank needs to recharge its battery. Basically how much time you need to charge your power bank before using it to charge a device of your choosing.
9 h (hours)
Output interfaces How many output ports the power bank has. These ports are used to connect devices to the power bank so that you can charge them.
Input interfaces How many input ports the power bank has. These ports are used to connect the power bank to a charging adapter so that you can charge it.
Micro-USB, USB type-C
Count USB outputs How many USB ports the power bank has.
Input current What type of electrical system the power banks' adapter needs to charge it.
Output Current On what power voltage (V) the power bank charges. Usually it's 5V (volts).
Functions and features
Quick Charge Information about whether the device is capable of quick/fast charging or not. Quick/Fast charging is used to quickly charge your device. While being fast in charging, it also knows when to stop charging your device so it can prolong the life expectancy of the battery.
LCD Display Whether or not the power bank has an LCD display on which you can see how much battery is left.
Wireless charging Information about whether the device is capable of wireless charging. Wireless charging eliminates the use of cables. It uses electromagnetic fields to transfer power from one source to the battery of the device.
Solar charging Whether the power bank can be charged via solar energy. This is helpful for when you are outside and the sun is shining bright. A very good feature to have on your power bank.
Waterproof This means that the power bank is water resistant. In case you drop it in water (if it's waterproof) it will not sustain any damage.
Flashlight Whether the power bank has a built in flashlight or not. The flashlight is used to help you see in the dark, so it's a plus side if the power bank has it.
Length How big the power bank is from one end to the other.
Width How big the power bank is from one side to the other.
Height How big the power bank is from bottom to top, or head to foot.
Weight How much the power bank weighs. Measured in grams (g)
365 g (grams)
Stores and prices
VINSIC VSPB304 power bank Price comparison
It's possible that some stores do not send the product to your country. Check on their website.
FindPare is a service that helps you compare prices, delivery times and shipping information for thousands of items across both local and global online retailers. All items come with unbiased reviews, a FindPare smart rating and accurate specifications.