Raised Flat/Button Top 21700 9.8A 5000mAh Battery (Samsung 50E2 inside)

Liion Wholesale

$ 7.99
3 reviews

SKU: sam50e-b

This product is eligible for further discounts depending on how many you buy! You can purchase other products in the same category (batteries, chargers, or accessories) and it will add to the wholesale discount. Add some products to your cart to test!

A "button top" modified Samsung 50E 5000mAh battery

The Samsung SDI INR21700-50E is a great battery but it cannot work in some flashlights and other devices because the top is recessed.  We took a 50E and added a raised flat top (like a button top but wider) so that the top is no longer recessed.  This means it can work in series in a tube or can work in some of these devices mentioned above.

Note that the cell revision that has been used is the much superior Samsung 50E2, not the 1st version.

Liion Wholesale Samsung 50E 21700 Button Top 4900mah Specifications:

  • Style:  Button Top (flat top but raised)
  • Size: 21700
  • Approximate Dimensions:  71.5mm length by 21.3mm diameter
  • Rated capacity:  4900mAh
  • Nominal capacity:  5000mAh
  • Max discharge current:  9.8A
  • Voltage:  3.63V
  • Protected:  NO
  • Color:  Black

Please note this battery is slightly longer than most 21700 due to the raised top (by about 1.5mm).  Some chargers cannot fit it.  See below list of chargers we have tested and confirmed proper fitment with

Compatible Chargers

Opus BT-C3100 Gyrfalcon All-88  XTAR VC2 XTAR MC1 Plus XTAR VP4 Plus Dragon Enook X2A
XTAR VC8 Vapcell S4 Plus
XTAR MC2 XTAR SC1 Gyrfalcon All-44 Enook X1 Plus
XTAR PB2S Nitecore V2 Nitecore Q4 Nitecore Q2 Enook X2 Plus XTAR MC4
XTAR MC2 Plus SkyRC Gyrfalcon All-20 XTAR D2 XTAR MC3 XTAR D4


We don't sell bogus batteries. When buying from LiionWholesale, you can rest assured that we only work with top tier manufacturers to bring you the best, most reliable, trustworthy batteries that will perform above and beyond your expectations. And we test every shipment to ensure consistent quality.

Priced per battery, not per pair.

Batteries are sold individually.

If your battery is damaged or defective on arrival (will not take its first charge, or has issues with its first cycle), please let us know within 14 days of receiving your order and we'll make it right. Please read our complete store policy on defective products here for more information and to see if you're eligible.

Manufacturer ratings: Please see more information regarding manufacturer ratings here.

Battery Warning

Warning: Lithium ion batteries may explode or burn due to improper use. Using these batteries for purposes not intended by the manufacturer, including outside a battery pack and/or without a BMS, may cause severe injury and damage. We are not responsible for any injuries caused by lithium ion batteries - use at your own risk.

All rechargeable batteries have inherent risks under any circumstance. Use caution with working with li-ion batteries (lithium-ion), LiPo (lithium ion polymer), and any rechargeable cells (together "rechargeable batteries"), as they have dangerous charging characteristics and are known to explode or burn if mishandled. A purchaser and user of rechargeable batteries should educate themselves on rechargeable batteries, especially as to charging, discharging, assembly, and storage. Learn more about proper storage and care for rechargeable batteries here. We are not responsible for any damage caused by the misuse or mishandling of rechargeable batteries.

Here are a few tips:

  • Never completely discharge batteries (below 2.5V under load or 3V unloaded)
  • Charge fully (to 4.2V) before first use
  • Never charge batteries to 4.3V or above
  • Do not charge unattended
  • Do not store your li-ion batteries fully charged for an extended period of time (weeks or more)
  • If you must store your battery, only store in a case or individual box in a cool and dry place at approximately 3.6-3.7V
  • Use only high quality battery chargers
  • Do not expose to heat
  • Do not connect the positive contact to the negative contact without an appropriate load
  • Never exceed the battery's specifications
  • Never try to charge or discharge li-ion batteries with battery chargers that are not made for li-ion batteries
  • Always charge these batteries on and within fireproof material
  • Never leave rechargeable batteries in a recharging station unattended
  • Do not use any rechargeable battery or charger if any visible damage is present, or if known mishandling, accidental or otherwise, has occurred
  • Always store and transport rechargeable cells in a safe, non-conductive container (never keep a spare battery loose in a pocket, purse, etc. and always use protective cases)
  • Properly dispose of all battery cells and chargers in accordance with local laws and mandates (if you're unsure, contact your local municipality)
  • If a rechargeable battery overheats, hisses, or bulges, immediately quarantine the battery from any combustible materials - ideally, take the battery outside
  • If a rechargeable battery catches fire, the FAA recommends pouring water or soda on the battery and surrounding areas - ideally, use a foam extinguisher to quell the fire

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Customer Reviews
5.0 Based on 3 Reviews
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Filter Reviews:
Don M.
United States United States
Good battery

The batteries seem to work as described. I have not had them long enough to confirm the capacity yet, but I have no reason to doubt it at this time.

  • What device/application do you use this with? Flashlights
Richard L.
United States United States

Nice battery life!

  • What device/application do you use this with? VandyVape Pulse
Christopher J.
United States United States
Not very buttonish

I bought this for the cell since the normal stock version wasn't available. Great cell if it meets your needs for current. The added "button" top here doesn't add much perceptible height to the cell like some other similar tops, but just brings it level whereas the stock cell on this one is actually slightly recessed. Should work in just about any application I can think of unless you really need a button-button for the extra couple millimeters. Quick shipping as always from Liion!

  • What device/application do you use this with? .

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