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Samsung 35E INR 18650 3500mAh 3.7V Unprotected High-Drain 8A Lithium Ion (Li-ion) Flat Top Battery

Samsung 35E upright
Samsung 35E angle
Samsung 35E profile
Samsung 35E back
Samsung 35E packaging
Samsung 35E upright
Samsung 35E angle
Samsung 35E profile
Samsung 35E back
Samsung 35E packaging
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  • Flat Top Unprotected 18650 Battery
  • Designed for powerful high-drain devices & battery packs
  • 3500mAh capacity ensures long runtimes
Usually ships the next business day
1 - 3$10.25 ea.
4 - 19$10.00 ea.
20 - 49$9.75 ea.
50 - 99$9.50 ea.
100 - 199$8.80 ea.
200 - 499$8.40 ea.
500 - 999$8.20 ea.
1000+$8.15 ea.
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Samsung 35E

Unprotected Flat Top 18650 Battery

The Samsung 35E is a rechargeable li-ion battery that utilizes INR (lithium nickel manganese) chemistry, and is one of the highest-capacity 18650s available on the market. With a 3,500mAh capacity and 500+ charge cycles, the 35E is a great value with longterm use.

As an uprotected cell with a 8A max continuous discharge rate and flat top terminals, this battery is ideal in OEM battery packs for mid-to-high-drain portable electronics.

Rechargeable & Reusable

Invest in a rechargeable battery that will last for years to come– this battery can be recharged 500+ times.

High Discharge Rate

8A max continuous discharge rate for high-drain electronics, great for making battery packs for devices that require minimum discharge rates.

3 Year Shelf Life

Stock up and store spare batteries with confidence– lithium ion batteries have a 3+ year shelf life, ensuring you always have a fresh replacement when you need it.

Notable Features

» Very large 3,500mAh capacity offers long-lasting runtimes for all your devices
» Flat top terminal is perfect for use in making OEM battery packs
Please note that these batteries have flat top terminals, and may not be compatible with some devices.


Unless equipped and 'protected' with a PCB (protection circuit module) and/or similar device, lithium ion (li-ion) rechargeable battery cells are not recommended by BatteryJunction.com or our parent and associated companies, or the respective manufacturers, as a stand-alone product. Misuse of lithium ion rechargeable battery cells can pose a serious risk of personal injury or property damage.
Battery Size:18650
Battery Capacity (mAh):3500
Battery Chemistry:Li-Ion
Battery Voltage:3.7
Battery Terminal Type:Flat Top
Warranty:Battery Junction 30-Day Warranty
Return Policy:Battery Junction Return Policy
Product Weight:1.76oz
Product Dimensions:1.39" (L) x 0.75" (Diameter)
Country of Origin:South Korea
Associated Battery Sizes:168A, 18650, 19670, Protected 18650, Unprotected 18650
5 Reviews
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By Jon K.
Mountain City, TN
Superlative Battery!
September 4, 2022
Seems to last forever and very quick to recharge. Love this battery.
By Richard
North Carolina
Worked Fine
May 24, 2021
Got this battery from BatteryJunction, it was the right specs and fit. Fast delivery and good pricing.
By Sharon M.
St Petersburg FL
Excellent Customer service
May 21, 2021
Great ordering experience!
Friendly, excellent, professional customer service.
I will be a repeat customer.
Thank you
Sharon Merritt
By Zack
pricey but good
April 9, 2021
hold a charge for a long time. their batteries, fairly expensive, but fairly good. im happy with them
By Christian
Manor, TX
Awesome Cells
March 15, 2021
These cells were exactly what they advertise!
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Samsung 35E INR 18650 3500mAh 3.7V Unprotected High-Drain 8A Lithium Ion (Li-ion) Flat Top Battery

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