can it run on AC power? We need the unit be on all the time.

Yes if you plug the battery charger in to the unit, it will work.

Out of the box i charged the battery for over 8 hours. once i unplugged the unit it automatically turns off. what am i missing?

There is a plastic sticker over the battery terminals. You gave to pull this off for the battery to actually charge. The instructions do not mention this, and it’s not obvious. You need to open the battery compartment, remove the battery, remove the sticker, reinstall, THEN charge.

On my huepar b03cg, the battery compartment cover is sealed. how does it open? i am trying to pry it open with my fingers. does it need a screwdriver?

There’s a clip that holds the cover on. It’s a little finicky but you just need to pry it a little and the battery cover will open

Will the levels still work (self-level function) if the unit is placed upside down to be close to the floor?

I just tested it and it does not work upside-down. You could always measure down from the line when working near the floor.

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Laser Level 360 Self Leveling, 3x360° Best Green Line Laser Leveler | Rechargeable 3D High Brightness Green Laser Level for Construction & Picture Hanging, Strong Magnetic Bracket & Hard Suitcase

Product ID: 179975722

Details

Brand
Huepar
Color
Green Pro
Item Weight
3.6 pounds
Material
ABS+TPU
Style
B03CG

🔄3x360° full-plane laser coverage

🔋5200mAh rechargeable battery, 8h runtime

🛡️IP54 waterproof & 51-inch drop protection

€ 196.56

Duties & taxes included

In stock

Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎯 Nail every line, every time — precision that powers your professional edge!

RUGGED READY - Built tough with IP54 waterproofing, shock-resistant TPR casing, and a magnetic pivot base for secure mounting.
LONG LASTING POWER - Stay on the job longer with a robust 5200mAh battery and versatile USB-C charging options.
SMART SELF LEVELING - Auto-level within 4° for flawless accuracy or switch to manual mode for angled projects.
COMPLETE 3 D LASER LAYOUT - Seamlessly cover any workspace with 1 horizontal + 2 vertical 360° laser planes for ultimate precision.
ENHANCED VISIBILITY RANGE - High-brightness green lasers with pulse mode extend visibility up to 200 feet with receiver compatibility.

The Huepar Laser Level 360 B03CG Pro delivers unmatched 3D layout precision with three full 360° green laser planes, rechargeable 5200mAh battery offering up to 8 hours of continuous use, and smart self-leveling technology. Designed for demanding construction and décor projects, it features IP54 waterproofing, drop protection, and a magnetic pivot base, all housed in a durable hard case. Backed by 5-year product support and lifetime technical assistance, it’s the ultimate tool for professionals who refuse to compromise on accuracy or reliability.

Specifications

ASIN	B081YYWYBC
Best Sellers Rank	#16,102 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #31 in Line Lasers
Brand Name	Huepar
Color	Green Beam-b03cg Pro
Customer Reviews	4.5 4.5 out of 5 stars (2,295)
Included Components	B03CG
Item Highlight	Rechargeable 3D High Brightness Green Laser Level for Construction & Picture Hanging, Strong Magnetic Bracket & Hard Suitcase
Item Type Name	3 x 360° Self Leveling Green High Brightness Cross Line Laser Level
Item Weight	3.6 pounds
Level Measurement Type	laser
Level Measurement Units	feet, inch
Manufacturer	Leiwotec
Manufacturer Part Number	B03CG-2
Material Type	ABS+TPU
Model Number	B03CG 3D Laser Level
Number of Items	1
Operation Mode	Manual
Style Name	B03CG
Unit Count	1 Count

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