




NOCO BT31 Group 31 Battery Tray
- Form-fits battery bases of Group 31 size batteries
- Light 0.5 lb weight great on- or off-board power supply storage option
- High quality, durable tempered plastic battery storage tray
- Proudly Engineered and Manufactured in the United States
- MPN: BT31
- Interior Length: 13.7 in (348 mm)
- Interior Width: 7.3 in (185 mm)
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Description
NOCO BT31
Heavy-Duty Group 31 Battery Tray
The NOCO BT31 is a rugged storage solution form-fit to the bases of group 31 size 12-volt SLA batteries used in automotive, marine, lawn, recreational, and utility vehicle types. Measuring 14" by 8.4" and weighing in at just a half-pound, the BT31 Battery Tray can be conveniently mounted onboard a vehicle so you can carry a quick-access backup battery into the field for extended excursions. All batteries between the sizes of 6.3" x 12.7" and 7.3" x 13.7" are compatible, and a 42-inch tie-down strap is included for maximum security in transport.
Rugged Beyond Belief
The BT31 can be mounted on everything from a snowmobile to a tractor and will rise to the diverse, tough challenges those vehicles will face. NOCO's group 31 battery tray is resistant to heavy impacts in temperatures as low as -20° F, with additional proofing against ultraviolet wear, oil and gasoline spillage, and more. Made in the USA, the BT31 is perfect for specific applications including generator or lawn/garden equipment, boats, campers, motorhomes, and caravans.
- Notable Features
- » Incredibly versatile applications storing the 12V Group 31 lead-acid batteries used by boats, lawn/garden equipment, utility units, and vehicles including snowmobiles, cars, campers, trucks, and tractors
- » Safety compliance with U.S. Coast Guard Federal Regulation 183.420 and American Boat and Yacht Council advisory E-10.7 regarding secure, stable storage of batteries on marine vessels
- » Internal electrolyte fluid reservoir integrated with bumpers that protect the battery by lifting it above acid-drain floor to ensure maximum safety
- » 4 x 0.2in corner eyelets and 6 x 0.25" side eyelets allow for installation of separately sold J-bolts and tie-down clamps or custom heavy gauge tie-down cords
Item Details
| Brand | NOCO |
| SKU | NOCO-BT31 |
| MPN | BT31 |
| UPC | 046221130508 |
| Color | Black |
| Activity | Auto, Batteries, Recreation, Storage, Travel |
| Material | Plastic |
| Case Insert | None |
| In the Box | Mounting Straps |
Specifications
| Material | Plastic |
Unit Interior Dimensions
| Interior Length | 13.7 in (348 mm) |
| Interior Width | 7.3 in (185 mm) |
Unit Exterior Dimensions
| Exterior Length | 14.0 in (356 mm) |
| Exterior Width | 8.4 in (213 mm) |
| Exterior Height | 1.3 in (33 mm) |
Certifications & Transport
| Certifications/Standards | ANSI |
| Country Of Origin | China |
Packaging/Shipping Dimensions
| Length | 13.99 in |
| Width | 8.36 in |
| Height | 1.26 in |
| Shipping Weight | 0.65 lb |
Documents
Additional Details
| Packaging | Boxed |
| 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








