XTPower® MP-S23000 Solar Power Bank -mobiler external USB and DC solar battery with 23000mAh - USB 5V 2.1A and DC output 12/16 / 19V 3A (Electronics)
The battery works as expected and is really useful. But first to report problems: The product has in use unfortunately a design of obvious error, I would almost describe as intentional, since it unnecessarily reduces the life of the product, and ther