Battery current Continuous discharge current 10A, Battery Material Li-ion Lithium Ion Battery, Battery name 21700 cylindrical lithium ion battery, Battery features Large discharge current and high capacity., Nominal capacity 5000mAh, Battery internal resistance Within 25mΩ, Battery voltage 3.6V, Battery weight 70g, Battery specifications 21*70mm, Battery model INR21700-50E.
Get coupons, create price alert or check price history out! Let’s see what best price is ATM.
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 code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($19.32): BGtorch9
2. ($19.32): BG8Alerabat
paste coupon code in your cart and click Apply 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): BGSSLG, MSAMSUNGLG, bGhOnEy10, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGFLS15, 4BLF, BGAFF10OFF, BGCuponation10, BGHONEY2110, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BGFLBA, BANGGOODSD, BGTorch4, 00c906, BGtorch2, BGtorch3, BGAlerabatI
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Samsung INR21700-50E 3.7V 5000mAh 21700 Battery? There we go. The lowest price was: $11.18.
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)).