Samsung 25R Deluxe Pack



The best vaping battery. Each pack includes:

  • Two Grade-A Samsung 25R li-ion batteries
  • Booklet with authenticity hologram, safety information, and battery specifications
  • 18650 green splash-proof case
  • Micro-fiber carrying pouch for cleaning contacts

Battery specifications:

  • Max. continuous discharge current: 20A
  • Safe pulse discharge ratings: 95A < 0.5 sec, 65A < 1 sec, 40A < 5 sec, 30A < 6 sec
  • Nominal capacity: 2500 mAh
  • Nominal voltage: 3.6 V
  • Discharge end voltage: 2.5 V
  • Charging voltage: 4.20 +/- 0.05 V
  • Standard charging current: 1.25 A
  • Length: 65.85 mm
  • Diameter: 18.33 mm
  • Weight: 45.0 g

Battery Bro has your back

Never worry about quality when buying from Battery Bro. We make sure you have the latest, greatest cutting-edge batteries, every time. 


18650 batteries are commodity cells, and as a wholesaler we understand how important price is to your bottom-line. As such, we offer international shipping directly from Asia to save money at higher quantities.


Shipping is 100% free in the continental US when shipped from our California warehouse. You pay what you see above and nothing more. Simple as that.

With Battery Bro, we take care of customs clearance, international or domestic shipping to your door.

21-day full refund

Full 21-day refund on all orders. Buy our products, and if you're not satisfied, you get your money back.

Quality guarantee

Battery Bro takes several measures to make sure your batteries are of the highest quality:

  • We only deal with manufacturers or authorized distributors.
  • We inspect every battery and do our own testing.
  • We track each battery case with a unique authenticity code.

In Asia, 18650 batteries are binned by quality into A, B, and lower bins. C-bin batteries are often recycled from battery packs. Lower bin batteries will underperform and may be dangerous.

Battery Bro guarantees that all our batteries are Grade A. 

Download the official Data Sheets:

Introduction of INR18650-25R

INR18650-25R Cell Specifications

Blog post(s) about the 25R:

Amazing Batteries Part 2: Samsung 25R