Size 98x 66x 33.8mm / 3.86x 2.60x 1.33inch, Output current DC 5V-2.1A (max), Color Green, Lighting power 0.5W, red, Input Current DC 5V-1.5A (max), Heating power 4-5W / 50℃ (max), Weight 108g, Battery capacity 3600mAh, pink.
Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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. We have found one coupon for this product!
Link: Banggood product page
1. ($29.88): Cuponation9
just apply this code in your 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): 99a5c36, BGOD1, BGA10351, BGB13452, AFfbG10, 502C6B, 0e7f33, BGTS204, FBCOUPON1, BGTRIP01, BGTY742TRL, BGCuponation10, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BG4d9120, BGAlerabatod, BGAlerabatdo, BGe46870, Terence, 2203ActiesNL, BG1efeb0, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGeb5395, hoNEYbGdeAlS, BGsport01, BGJUNEGSG9, 9OFFSUMMER
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for Xiaomi SOLOVE 3 In 1 Hand Wamer 3600mAh is here. The lowest price was: $17.99.
Price records source(s): 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)).