

Ultralife U10021 UHR-CR26650 3V 6.1Ah 5/4 C Lithium Primary (LiMnO2) Battery - No Tabs - Bulk
- Size: 5/4 C
- Voltage: 3
- Rechargeable: No
- Chemistry: Lithium
- Capacity (mAh): 6100
- Terminal Type: Pressure Contact
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Description
Ultralife Electronic Battery
The Ultralife U10021 5/4 C battery is a non-rechargeable cell designed for use in telecommunication- and transportation-related electronics. This lithium battery is also compatible with military imaging and surveillance devices. All of these battery-powered electronics require a power source that offers a high energy density and a long run time. The Ultralife U10021 lithium battery is powerful enough to deliver. This non-rechargeable cell is also capable of providing its full voltage after long periods of inactivity.
In addition to its high capacity and reliable current, the Ultralife UHR-CR26650 works in a wide range of temperatures and also offers an impressive shelf life, due to the hermetically-sealed nickel plated steel container. Feel secure in knowing the backup batteries you purchase will be fully functional and will be instantly ready for use for up to ten years.
Please note, the U10021 5/4 C battery does not have tabs or a PTC.
Features:
- High 6.1 Ah capacity powers electronics for longer.
- No voltage delay even after long periods of inactivity for unmatched reliability.
- Wide operating temperature range to work in almost any environment.
- Long operating life keeps devices powered throughout an event.
- Hermetically-sealed Ni-plated steel can
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Applications:
- Consumer Telematics
- Commercial Telematics
- Search & Rescue Devices
- Military Communications, Detectors, & Imaging
- Medical Devices
Specifications:
- Battery Size: 5/4 C
- Battery Chemistry: Lithium Primary (LiMnO2)
- Nominal Voltage: 3V
- Nominal Capacity: 6.1 Ah
- Max Discharge Current: 2.5A continuous
- Pulse Capability: up to 5.3A
- PTC: None
- Operating Temperature Range: -43.6°F to 161.6°F (-40°C to 72°C)
- Terminals: Pressure Contacts
- Safety: Class 9 Hazmat - US and International
- Certifications: UL 1642, UN 38.3
- Shelf Life: 10 Years
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Dimensions:
- Length - 2.382" (60.5 mm)
- Diameter - 1.016" (25.8 mm)
- Weight: 2.504 oz. (71 g)
This primary cell is NOT rechargeable. Under no circumstances should it be placed in a charger. When fully discharged, please dispose of the cell according to your local regulations.
CAUTION: These primary batteries are not rechargeable.
Item Details
| Brand | Ultralife |
| SKU | ULTRALIFE-U10021 |
| MPN | U10021 |
| Size | 5/4 C |
| Voltage | 3 |
| Battery Rechargeable | No |
| Capacity (mAh) | 6100 |
| Chemistry | Lithium |
| Sub-Chemistry | LiMNO2 (Lithium Manganese Dioxide) |
| Shelf Life | 10 Years |
| Packaging | Bulk |
| QTY Per Package | 1 |
| Master Case | 144 |
| California Residents | see Prop 65 WARNINGS |
Specifications
| Size | 5/4 C |
| Voltage | 3 |
| Battery Rechargeable | No |
| Capacity (mAh) | 6100 |
| Terminal Type | Pressure Contact |
| Integrated Charge Port | No |
| Max. Discharge Rate | 2.5 |
| Equivalent Types | 26650 |
Unit Dimensions
| Length | 2.382 in (61 mm) |
| Diameter | 1.016 in (26 mm) |
| Weight | 2.56 oz (73 g) |
Certifications & Transport
| Certifications/Standards | UL 1642, UN 38.3 |
| Country Of Origin | United States |
| HTS Code | 85065000 |
Packaging/Shipping Dimensions
| Length | 2.38 in |
| Width | 1 in |
| Height | 1 in |
| Shipping Weight | 0.16 lb |
Documents
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





