Ni-MH/Ni-Cd: 1000mA*2(High)/500mA*4(Low), Output Voltage: 4.35±0.1%/4.2V±0.1%/1.48V±0.1% 9V(6F22)±0.1%, Input voltage: Type-C/MicroDC 5V 2A, Output Current: Li-ion: 1000mA*2(High)/500mA*4(Low), 9V(6F22): 100mA*3.
Just check coupons out (with price alert and history). 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 coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. Hmmm… There is no active coupon in Banggood at this moment. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database…
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGHTRCCH4, BGRCBC7, bGhOnEy10, bgshOOp10, BGRC902, BgoFErTaSchInA10, BgcLuBofErtA10, BG12CH4, BGAFF10OFF, BGCH4HTRC, BGCuponation10, BGBCSpring1, BGDAVIS, BGHONEY2110, BGHTRCCH477, Parts8, BGRCBC11, BGGAL8, BGRCParts8, BGSFBC1, Tabby20, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG8RCToy, BGJUNEGSG9, BGRCT10, BG8ReviTrage, Cuponation9, BGToys8, BGMatt2022, BG589b2e
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – HTRC CH4 Battery Charger ($23.09)
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was $23.99 though.
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)).