



Samsung 50E INR 21700 5000mAh 3.7V High-Drain 5A Lithium Ion (Li-ion) Protected Button Top Battery - Boxed
- Size: 21700
- Voltage: 3.7
- Rechargeable: Yes
- Chemistry: Li-Ion
- Capacity (mAh): 5000
- Terminal Type: Button Top
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Description
Samsung 50E
Protected Button Top 21700 Battery
Boasting a 5,000mAh capacity and 5A discharge rate, the Samsung 50E is an incredibly reliable 21700 cell. It's button-top terminal and protective circuitry makes it ideal for use in flashlights, powerbanks, and other portable electronics.
Utilizing li-ion INR (LiNiMnCoO2) chemistry, this battery is stable, has a three year shelf life, and is of course rechargeable. In fact, the 50E li-ion battery is rated for at least 500 charging cycles, and charges up in just three hours on average.
You can check out our selection of 21700 chargers.
Rechargeable & Reusable
Invest in a rechargeable battery that will last for years to come– this battery can be recharged 500+ times.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.PCB Protection
This battery has a PCB (protection circuit board) that automatically detects and protects against overcharging, overdischarging, and short circuiting.Notable Features
Item Details
| Brand | Samsung |
| SKU | SAMSUNG-50E-21700-BUTTON |
| MPN | 50E-21700-BUTTON |
| Size | 21700 |
| Voltage | 3.7 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 5000 |
| Chemistry | Li-Ion |
| Sub-Chemistry | LiNiMnCoO2 INR / NMC |
| Shelf Life | 3 Years |
| Packaging | Contractor Pack |
| QTY Per Package | 1 |
| California Residents | see Prop 65 WARNINGS |
Specifications
| Size | 21700 |
| Voltage | 3.7 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 5000 |
| Terminal Type | Button Top |
| Protected | true |
| Integrated Charge Port | No |
| Max. Discharge Rate | 14.7 |
Unit Dimensions
| Length | 2.95 in (75 mm) |
| Diameter | 0.82 in (21 mm) |
| Weight | 2.45 oz (69 g) |
Packaging/Shipping Dimensions
| Length | 2.93 in |
| Width | 0.92 in |
| Height | 0.92 in |
| Shipping Weight | 0.16 lb |
Additional Details
| Packaging | Contractor Pack |
| Warranty | Battery Junction Warranty |
| Return Policy | Return Policy |
Bright Buys
- Reliable lithium chemistry with a 10 year shelf life
- Regarded as one of the highest quality CR123A batteries on the market
- Used in LED flashlights, alarm systems, ranger finders and more
- Cells are lightweight, durable and ideal for long term storage
- Jacket style may vary
- Ideal for low-drain applications that require a primary battery to provide constant power
- 10-year shelf life - stock up for emergencies!
- The best choice for consistent power, great in low-drain devices like remotes
- Safe and reliable - capable of performing in high or low temperatures
- 11-in-1 card sized tool fits in your wallet or on a keychain!
- Packed with handy tools including a screwdriver & 7 wrench settings
- Serrated saw and straight-edge knife for quick cutting jobs
- Can + bottle openers for campsite meals or end-of-shift relaxation
- Four-channels saves time by charging multiple batteries at once.
- Capable of charging multiple chemistries by automatic battery detection.
- LCD display reveals the charging progress, battery type, voltage, and charging current.
- Automatic power-off function cuts off the current when charging is complete.
- Extremely compact and powerful EDC
- Max output of 3,000 lumens with a max throw of 229 meters
- Dual fuel and available with extender for use with a 26650
- Equipped with 4 x CREE XPG3 LEDs for maximum illumination
- 225mAh capacity drives long runtimes for watches and electronics
- CR2032 coin cells packed with 3V of power
- Convenient 6-piece retail card provides backup batteries
- Easily replaceable primary lithium cells
- Top recommended battery for Apple AirTags
- 3,000 lumens and a 250-meter throw - fierce illumination to light up your backyard
- Multiple output modes are accessible via easy side switch operation
- Strobe, SOS, and beacon modes offer distinct signaling capability
- High-capacity battery supports the light with a maximum 227-hour runtime
- Upgraded to output up to 3,100 lumens with a 1,000ft throw for optimal spotting!
- Offers fast, direct USB-C recharging from outlets, power banks, and more
- Ultra-slim design provides an easy-to-hold, simple EDC lighting solution
- OLED screen monitors performance, including charge level, brightness & beyond
- Pre-shrink wrapped Panasonic CR123A batteries great for OEM use & more
- 1550mAh high capacity keeps lights, alarms & more running longer
- Lithium cells with stable 3V output and strong discharge performance
- Storage life of up to 10 years ensures backups remain ready for use







