Package Size 90x 76x 25 / 3.54x 2.99x 0.98inch, Charge Voltage 4.2V, Max. Discharge Current 3.5A, Nominal Capacity 3600mAh, Internal resistance (m&Omega) <80, Nominal Voltage 3.6V, Battery Size 18.6x 68.5 / 0.73x 2.70inch, Charging current by charger 1A (recommended) 2A (maximum), Charging current by on-board USB port 1A, Chemistry Li-ion, Minimum Capacity 3500mAh, Model 18650USB-3.7-3600, Weight 230g. Basically copy coupon, view price history or create e-mail price alert. 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:
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Soshine 16340 550mAh LiFePO4 Battery RCR123 3.2V Rechargeable Battery 2000 Time Discharge Cycle for Flashlight Headlamp Mini Fan | $10.56 | – |
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 China. Only one coupon available!
Link: Banggood product page
1. ($21.99): BGtorch9
apply code in your basket (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): BGAlerabatI
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for Soshine 4pcs 3.7V 3600mAh 18650 Battery is here. The lowest price was: $21.99.
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)).