Recommended eight DIY power banks
1. Maximum power above 340W
2.5.5 * 2.5 bidirectional DC output port
3.1.54 inch IPS display screen
4. Support 21700/18650 lithium batteries
5.4000mah/24000mah max
6. Welding free structure
Product Description
Introduction：
Size: 200 * 34 * 64mm
Weight: 220g for bulk parts and 480g for finished products
Total capacity: 21700 finished products 19200 mah
Battery pack voltage: 12-16.8v
Maximum power: 45w
The 45w high-power mobile power supply has been newly upgraded, and the original sw6208-22.5w scheme has been upgraded to 5386-45w scheme, which has the same volume, higher power, safer and more convenient use, and lower heating. There are two appearances to choose from.
The product has three interfaces, one Apple interface (only input, not output). A type-c interface, bidirectional 45v, supporting input and output up to 20v2a,
There is also a usb output.
IP5386 supports a variety of fast charging protocols: PD, QC2.0, QC3.0, QC3+, FCP, AFC, SCP, Apple.
1. The product adopts a four-string lithium battery structure, with built-in BM3451 lithium battery protection circuit, double protection to prevent overcharge and over-discharge of the battery.
2. Built-in 4 LED lighting lamps, although the power is small, it is completely enough in the dark, and the warm white is not dazzling, and supports long-term lighting without heat. Long press the switch to turn on or off the led.
3. The solderless battery box supports 18650 and 21700 batteries. It can be activated by direct installation without welding. Pay attention to the installation direction. Installing the battery reversely will cause the element to burn. The fully transparent acrylic shell needs only a few screws to fix it, which is simple and convenient, and can also be replaced quickly after damage.
1. 21700 types of finished products use 4 new 4800mah batteries made in China Yiwei. The option of spare parts does not include batteries, and spare parts do not have after-sales service! Please watch the assembly video carefully before installation!
2. The acrylic shell of the product is 10 yuan per set. Please test whether the product function is normal before installing the shell. If you tear the protective plate of the shell, you can’t refund it! If you don’t like it, you can contact customer service to apply for after-sales service
3 Please pay attention to the battery installation direction and look at the positive and negative on the circuit board!
Attention, as some buyers have reported that the top cover plate cannot be installed smoothly due to the high resistance, our staff has had not a major installation problem, which only affects the DIY buyer’s own installation. Therefore, we have opened two holes in the resistance for the buyer to install. After optimization, we have come up with an optimized motherboard solution and replaced it with a lower resistance. It is expected to solve this problem after the next batch of optimization, and there will be no hole on the shell.
As shown in the following figure：
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