18650 · 21700 · LiFePO4 · CHARGERS · PACK SUPPLIES
Lithium cells with specs you can check
Name-brand cells from Molicel, Samsung, Panasonic, Sony/Murata, EVE and more. The capacity and current figures on this page are the manufacturers' own, from their data sheets. Ships from Stockbridge, GA.
Or browse 18650, 21700 or LiFePO4 cells. Returning customer? Sign in.
- FORMAT
- 21700
- Li-ion [1]
- CAPACITY
- 5,000 mAh
- typical · 4,850 mAh min. [1]
- CONTINUOUS
- 60 A
- 80 °C cell-temperature cut-off [1]
- NOMINAL
- 3.6 V
- [1]
+ Source: [1] Molicel PDS v1.1 (2026-10-19)
Shop by size
Cylindrical cells are drawn to true relative scale, nominal mm. Counts are products in stock now.
Most chosen cells
Our most-ordered cells in the online store, by number of orders in the 90 days to 2026-10-18, in stock now. Cells whose specs we haven't confirmed against a data sheet are left out.
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Samsung
35E, Samsung
18650 · 3,350 mAh min.8 A continuous‡
4.9 out of 5 · 221 reviews
$6.99 In stock
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Samsung
25R, Samsung
18650 · 2,500 mAh typ.20 A continuous‡
4.9 out of 5 · 2,595 reviews
$4.99 In stock
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Samsung
30Q, Samsung
18650 · 3,000 mAh typ.15 A continuous‡
4.9 out of 5 · 1,466 reviews
$6.99 In stock
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Molicel
P30B, Molicel
18650 · 3,000 mAh typ.30 A continuous*
4.9 out of 5 · 470 reviews
$8.99 In stock
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Molicel
P28A, Molicel
18650 · 2,800 mAh typ.35 A max†
4.9 out of 5 · 1,441 reviews
$5.99 In stock
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Panasonic
NCR18650GA · protected, Panasonic
18650 · 3,450 mAh typ.10 A cell · PCB may limit to 6 A‡
4.8 out of 5 · 51 reviews
$12.99 In stock
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Panasonic
NCR18650GA, Panasonic
18650 · 3,450 mAh typ.10 A continuous‡
4.9 out of 5 · 284 reviews
$6.99 In stock
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Molicel
P50B, Molicel
21700 · 5,000 mAh typ.60 A continuous*
5.0 out of 5 · 82 reviews
$11.99 In stock
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Samsung
50E, Samsung
21700 · 4,900 mAh min.9.8 A continuous‡
4.9 out of 5 · 356 reviews
$6.99 In stock
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Sony
VTC6, Sony
18650 · 3,000 mAh typ.15 A continuous‡
4.9 out of 5 · 452 reviews
$7.99 In stock
* With the manufacturer's 80 °C cell-temperature cut-off. † Molicel states a 35 A maximum without calling it continuous. ‡ Condition: see the maker's data sheet in our data-sheet library. § Samsung SDI specification CC5493F101, on file. Ratings are the manufacturers' own, from their data sheets.
AUTHENTICITY
Proof you can check before you buy
Each point links to the page where we publish it: customer reviews, buyers' photos, the data-sheet library, how to reach a person, and our business details.
Check a cylindrical cell yourself
- Check that the claimed model and capacity are realistic for its size
- Inspect the can code and top cap, not just the wrapper print
- Weigh and measure it against the data sheet, and compare voltage and internal resistance across the lot
- Run a capacity test on a charger-analyzer
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Customer rating
4.9 out of 5
From customer reviews on this site.
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Photos from verified buyers
Buyer photos
Photos buyers posted with their reviews of the cells and chargers they received. Our team picks them from reviews marked as verified purchases.
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The manufacturers' own ratings
Data sheets
The ratings on this page are the manufacturers' own: continuous unless marked †, with any temperature cut-off noted. Our library holds the maker's data sheet where one is published.
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Call or text a person
Text a photo to 1-833-419-2192 if anything about your cells looks wrong, and a person will look at it. Monday to Friday, 9 AM to 5 PM Eastern.
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Who you’re buying from
Epoch Batteries LLC
18650 Battery Store is owned and operated by Epoch Batteries LLC, Metro Park 7, Calle 1, Suite 204, Guaynabo, PR 00968. Orders ship from Stockbridge, Georgia.
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The official site
18650batterystore
.com The official site is 18650batterystore.com, owned and operated by Epoch Batteries LLC. Lookalike sites copy our photos and listings, so check the address bar before you pay.
REAL ORDERS
From our buyers' benches
Photos from verified buyers' reviews rated 4 or 5. Picked by our team.
I was able to built for 48v in 13s4p on my ebike.Samsung 58E 21700
Was able to revive this dormant battery pack on an Inboard M1 longboard! Great shipping, batteries were in protected cases. …Samsung 25R 18650
Good quality ❤️❤️Samsung 58E 21700
NiceMolicel P30B 18650
Really like these batteries and at a great price!EVE 33V 18650
Buenas para reparar lámpara de solaresEVE 26V 18650
We are currently using the Reliance cells in our XE4 race bikes with great results. …Reliance RS50 21700
Very solid cells! All the ones I have received all have been consistently above the rated capacity of 4000mAh. Mine have been in the ~4100mAh range. …Molicel P42A 21700
Painless experience here as always.Molicel P28A 18650
Rebuilt a Bosch ebike battery (500Wh, 10s4p, 40 cells) and they don't seem to have as much capacity as the cheaper EVE 3500mAh cells. …Samsung 35E 18650
Always great products from 1865batterystore! Amazing incoming quality and cells tested within wishing 1% of each other. Another happy customer!Samsung 25R 18650
All 50 cells came balanced to 0.05V. Worked a charm. Planned for a 4P10S but ended up with a 5P10S because every single cell seems to be from the same …EVE 50E 21700
Excellent very pleased will be getting many moreMolicel P42A 21700
The cells arrived in pristine condition, very well packed. No swelling, scratches or anything wrong at all. …EVE MB31 (pack of 4)
I have now purchased 80 of these batteries for different installations and all have performed well. They are best I have found. …EVE LF304 (pack of 4)
These are the best prismatic Grade A cells available and 18650Battery Store consistently provides the highest quality. …EVE MB31 (pack of 4)
It’s goodSamsung 25R 18650
We order a lot batteries from 18650 and have great service from them. We are very happy with their service and products.EVE LF280K (pack of 4)
I love these particular cells. They are very reliable for building battery packs.Samsung 50E 21700
Thank you can’t wait to test my batterySamsung 35E 18650
All the cells are in perfect shape and test as same voltage 16s 8p electric skateboardMolicel P45B 21700
Definitely wasn’t expecting such high quality legit products but since the products from the 18650batterystore are 100 percent what they are …Samsung 40T 21700
Awesome batteries for razor mx350 bikes. 7s5p 24v16ahEVE 33V 18650
These batteries work great. Thanks to great quality and amazing price i was able to construct a 14s20p battery back to use in my diy solar power …
Can't beat the price, waiting on more in stock to complete battery pack.EVE 25P 18650
These are amazing cells for SurRon batteries. Great capacity and good power. Only the Molicel P42A outperforms the 50S when it comes to power. …Samsung 50S 21700
Good battery, for high discharge application.Molicel P42A 21700
Recent reviews from our customers
Reviews of the cells listed here, each with the rating the customer gave. We leave out reviews about vaping: bare cells are components for protected packs, not for vaping.
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Rated 5 out of 5
Excelente batería
Victor Jose M.Verified buyer
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Rated 5 out of 5
Perfect.
Derek L.Verified buyer
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Rated 5 out of 5
Great product and great delivery once again! Would recommend!
Jackie S.Verified buyer
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Rated 4 out of 5
Love it
Nancy F.Verified buyer
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Rated 5 out of 5
Extremely fast shipping and well packed! Will definitely be ordering from 18650batterystore again in the future!
Patrick C.Verified buyer
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Rated 5 out of 5
Good batteries but make sure you have the right charger
Gene C.Verified buyer
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Rated 5 out of 5
Came packaged great, batteries work great, no complaints
Keegan W.Verified buyer
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Rated 5 out of 5
Replaced the cells in some lawn tool batteries. Tools were notably more powerful afterward. All cells arrived at the exact same voltage. Easy to build the pack.
Aaron S.Verified buyer
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Rated 5 out of 5
Exact fit
Michelle L.Verified buyer
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Rated 5 out of 5
good
Edward F.Verified buyer
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Rated 5 out of 5
Good, honest company. They send verifiable SAMSUNG when you ask for the brand you expect. NO KNOCK-OFFS. I've been dealing with them for almost two years now. …
Leslie P.Verified buyer
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Rated 5 out of 5
Perfect, fast shipping!
Robert F.Verified buyer
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Rated 5 out of 5
Excelente
Marisol O.Verified buyer
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Rated 5 out of 5
They work perfectly for my Freenove project!
Hsiu L.Verified buyer
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Rated 5 out of 5
Ordering and shipping was quick. Batteries appear to be good quality. I am changing out Batteries in solar lights. They are working well.
Roger O.Verified buyer
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Rated 5 out of 5
They definitely work and are great to have!
Jonathan B.Verified buyer
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Rated 5 out of 5
Quick shipping, great service.
Richard K.Verified buyer
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Rated 5 out of 5
Easy ordering and quick shipping.
David K.Verified buyer
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Rated 5 out of 5
I needed the batteries for a mesh repeater. And they worked just fine.
Raymond K.Verified buyer
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Rated 5 out of 5
Everything is perfect and was easy to get what I needed.
Geoff D.Verified buyer
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Rated 5 out of 5
Great price
Todd S.Verified buyer
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Rated 5 out of 5
Fast shipping and they had the precise batteries I needed.
Anna L.Verified buyer
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Rated 5 out of 5
Works well in dragx on 15w
Jonathan P.Verified buyer
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Rated 4 out of 5
I could tell the second I picked it up that it was a superior battery to the one that came with my tactical light. Lasts 5 times longer. I am pleased!
Steve B.Verified buyer
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Rated 5 out of 5
Batteries were ready to go out of the box. Met all stated parameters during acceptance testing. Passed all required performance requirements.
Alan G.Verified buyer
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Rated 5 out of 5
Performed exactly as I expected. The storage cases were a nice extra.
Alan G.Verified buyer
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Rated 5 out of 5
Great battery life and very quick service.
Brad C.Verified buyer
WHOLESALE
Buying for a business?
Pack builders, OEMs, resellers and installers can apply for wholesale pricing, from under 500 cells to pallet and LTL orders, including resale and tax-exempt accounts.
or call 1-800-547-3050 or text 1-833-419-2192
Learn before you buy
GUIDE
18650 buying guide
Compares the Molicel P30B, Samsung 30Q, Sony/Murata VTC6, Panasonic GA and other cells by current, capacity and use.
GUIDE
18650 vs 21700
Capacity, sustained power and size compared, for e‑bikes, drones, power tools and flashlights.
GUIDE
How to spot fake 18650 cells
Red flags and checks, from can codes and weight to voltage, resistance and discharge tests.
SAFETY
Handling lithium‑ion cells safely
Charging and handling risks, and why bare cells belong in packs with protection circuitry.