5.1V-2.6A (Dual Ports), Battery Type: lithium ion polymer battery, Size: 150.5 X 73.6 X 15.1mm, Model: PB100LZM, Input: 5V-2.1A, Capacity: 37Wh 3.7V 10000mAh, Output: 5.1V-2.4A (Single Port), 1x USB-C, Package size: Approx. 18×9.5×3.5cm / 7.09x 3.74x 1.38 inches, Output Ports: 2x USB-A (USB cable not included), Input Ports: 1x Micro USB, Package weight: Approx. 350g /12.35os.
Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
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Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($31.50): BG85d5c6
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGredmip1, aff7off, BGaDmITAd, BGrm1w, BGREDMIPOWER, 0e7f33, FBCOUPON1, BGRMPBa, BGXMI15, BG9Redmi100, BGRedmi10000Bank, BGRedmi10000CNCZ, BG15POWERBANK, BG12Redmi10CN, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BG38f626, BANGGOODSD, 6GSGIT, BGCCARG
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Redmi 10000mAh PB100LZM Power Bank [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for Xiaomi Redmi 10000mAh PB100LZM Power Bank is here. The lowest price was: $14.99.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).
. There is no active coupon in my database right now (for Banggood).![Price history for Xiaomi Redmi 10000mAh PB100LZM Power Bank [EU]](https://couponsfromchina.com/pricehistory/History23423.png "Xiaomi Redmi 10000mAh PB100LZM Power Bank [EU] price history")