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- 600+ charge cycles - years of use in flashlights and audio systems!
- Fast charging option gets your electronics back in action in 2 hours
- Designed with protections against six different conditions - peak performance at all times
- 10A max current so it can power your favorite high-drain devices
- Size: 18650
- Voltage: 3.6
- Rechargeable: Yes
- Chemistry: Li-Ion
- Capacity (mAh): 4000
- Terminal Type: Button Top
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Description
Klarus 18GT-40 18650
Higher Density, Longer Runtimes
The next generation in 18650 batteries is here with the Klarus 18GT-40! Designed for holding a high density of power, this battery's 4000mAh capacity provides long runtimes to flashlights, sound systems, and even some power tools. The 18GT-40's 10A current ensures reliable power delivery, even during extended use. With its lithium-ion chemistry, this battery fully recharges in 5.5 hours with standard charging or 2 hours with fast charging.
Comprehensive Protections
With a multi-layer protection system, this battery can handle extensive use in any field, with no drops in performance. Protected against short-circuit, over-charge, over-discharge, over-current, over-heat, over-voltage, and over-current, your battery is safe from damage everywhere you go. This battery is also recyclable to protect the environment.
- Notable Features
- » Outperforms and outlasts an equivalent of 600 pairs of CR123As
- » Operating temperature range of -10°C - 60°C for year-round use
- » Separated battery polarities prevent short-circuiting
- » High capacity can extend your device's runtimes
- » Current regulation includes high-power MOFSET for improved output and efficiency
Item Details
| Brand | Klarus |
| SKU | KLARUS-18GT-40 |
| MPN | 18GT-40 |
| UPC | 6954424404316 |
| Size | 18650 |
| Voltage | 3.6 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 4000 |
| Chemistry | Li-Ion |
| QTY Per Package | 1 |
| California Residents | see Prop 65 WARNINGS |
Specifications
| Size | 18650 |
| Voltage | 3.6 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 4000 |
| Watt Hours (wH) | 14.4 |
| Terminal Type | Button Top |
| Protected | true |
| Integrated Charge Port | No |
| Max. Discharge Rate | 10 |
| Equivalent Types | 168A, 18650, 19670, Protected 18650, Unprotected 18650 |
Unit Dimensions
| Length | 2.78 in (71 mm) |
| Diameter | 0.74 in (19 mm) |
| Weight | 1.76 oz (50 g) |
Certifications & Transport
| Certifications/Standards | ANSI, CE, RoHS |
| Country Of Origin | China |
| HTS Code | 85076000 |
Packaging/Shipping Dimensions
| Length | 3.67 in |
| Width | 1.72 in |
| Height | 0.8 in |
| Shipping Weight | 0.135 lb |
Additional Details
| Warranty |
Klarus 1 Year 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














