





UltraFire FLB 18650 3000mAh 3.7V High-Capacity Protected Lithium Ion (Li-ion) Button Top Battery - Priced Per Cell
- PCB protected to regulate output and intake of electrical charge to prevent damage to the circuit boards
- High powered Li-ion chemistry for demanding electronics like LED flashlights
- Rechargeable for up to 500 cycles for cost effective and environmentally friendly power
- Top of the line 3000mAQh capacity will keep high drain electronics running longer than competing power sources
- Size: 18650
- Voltage: 3.7
- Rechargeable: Yes
- Chemistry: Li-Ion
- Capacity (mAh): 3000
- Terminal Type: Button Top
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Description
Ultrafire 18650 - 3000mAh
Button Top Li-ion Battery
Heavy duty capacity 18650 battery for high drain devicesWith tremendous capacity and value, the Ultrafire 3000mAh 18650 is a high powered li-ion battery that is perfect for demanding electronics such as tactical LED flashlights. These batteries feature 3.7 Volts of power and a top of the line 3000mAh capacity that will keep high drain electronics running longer than competing power sources. Combined with reliable manufacturing quality and bulk value pricing, the Ultrafire 18650 is one of the best deals when it comes to li-ion power.
PCB Protected
Equipped with the latest technology for complete safetyEach Ultrafire 18650 is outfitted with a uniquely designed PCB (printed circuit board) that functions as the brain of the battery, regulating output and intake of electrical charge. Thanks to the circuit board the battery is always safe to use and charge, as it will cut off the battery if the voltage drops below 2.5V or exceeds 4.25V. You can rest assure that your battery will perform perfectly every time since it's PCB protected!
Features & Benefits:- Lithium Ion 18650 cylindrical rechargeable battery
- Internal PCB protection prevents under voltage (2.5V) or over-voltage (4.25V))
- Higher energy density than competing rechargeable batteries
- Manufactured under ISO9001-2000 to assure quality
- International Electrotechnical Commission (IEC) standard tested to ensure capacity, quality and lifespan
- Great for LED flashlights and high drain devices
- Capacity: 3000mAh
- Nominal Voltage: 3.7V
- Cut-off Voltage: 2.5B
- Internal Impedance: ≤ 180 Milli-Ohms
- Cycle Performance: 90% of initial capacity at 400 cycles
- Charge Cycles: 500
- Charging Current: 0.5C (~1500mA) Voltage = 4.2 V End Current = 0.01 mA
- Discharging Current: 0.5C (~1500mA) End Voltage = 3.0V
- Dimensions:
- Diameter: 18.6+/-0.2 mm *
- 66.5+/- 0.2mm
- Weight: 48g
* Note: These high capacity cells have a larger diameter than standard 18650 batteries and may not fit all flashlights. Please verify dimension of flashlight or device.
Item Details
| Brand | UltraFire |
| SKU | ULTRAFIRE-BRC-18650-3000 |
| MPN | FLB-18650-3 |
| UPC | 0658921935248 |
| Size | 18650 |
| Voltage | 3.7 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 3000 |
| Chemistry | Li-Ion |
| Sub-Chemistry | LiCoO2 ICR |
| Shelf Life | 3 Years |
| Packaging | Bulk |
| QTY Per Package | 1 |
| California Residents | see Prop 65 WARNINGS |
Specifications
| Size | 18650 |
| Voltage | 3.7 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 3000 |
| Terminal Type | Button Top |
| Protected | true |
| Integrated Charge Port | No |
| Equivalent Types | 168A, 18650, 19670, Protected 18650, Unprotected 18650 |
Unit Dimensions
| Length | 2.618 in (66 mm) |
| Diameter | 0.732 in (19 mm) |
| Weight | 1.693 oz (48 g) |
Packaging/Shipping Dimensions
| Shipping Weight | 0.1 lb |
Additional Details
| Packaging | Bulk |
| 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









