Why does the product not respond when the battery is fully charged?

The reason for this phenomenon is that if the push rod is already at the end, it will trigger a power-off shutdown.

Why does the rod retract after you stop pulling the trigger?

This is a drip prevention mechanism: after you stop pulling the trigger, the push rod retracts, which can reduce glue waste to a certain extent.

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Description

🔧 Seal it like a pro—no strain, no mess, just smooth perfection!

COMPLETE PRO KIT - Includes 9 silicone tools and nozzles for versatile, professional-grade caulking on all standard 10oz cartridges.
ANTI DRIP SMART TECH - Automatic plunger retraction prevents mess and waste, keeping your workspace pristine.
DUAL BATTERY POWERHOUSE - Swap between two high-capacity 2000mAh batteries to keep your project moving without downtime.
ILLUMINATE EVERY DETAIL - Integrated LED light ensures perfect visibility in tight, dark spaces—work anytime, anywhere.
EFFORTLESS PRECISION CONTROL - Four speed settings let you tailor caulk flow for flawless finishes every time.

The Uaoaii Electric Cordless Caulking Gun combines powerful 21V battery operation with dual 2000mAh rechargeable batteries, offering up to 4 adjustable speeds and an anti-drip mechanism for clean, precise application. Its built-in LED light enhances visibility in low-light conditions, while the included 9-piece silicone toolset ensures professional results on all standard 10oz sealant cartridges. Designed to reduce hand fatigue and boost efficiency, this yellow caulking gun is the ultimate upgrade for home improvement and sealing projects.

Specifications

Manufacturer	Uaoaii
Part Number	CP3B0080UK-THLZH1500
Item Weight	4.91 pounds
Product Dimensions	5 x 3 x 5 inches
Item model number	CZ100
Batteries	1 D batteries required. (included)
Size	10oz/300ml
Color	Yellow
Style	Caulking Gun Tool
Material	Plastic + Metal
Power Source	Battery Powered
Voltage	21 Volts
Item Package Quantity	1
Type of Bulb	LED
Usage	Cordless Caulk Gun for Filling, Sealing
Included Components	1x Uaoaii GN100 Battery Caulk Gun Tool，2x 2000mAh Rechargeable Batteries,1x Charger，1x 3-in-1 Silicone Caulking Tool，4x Replaceable Silicone Pads，3x Caulk Nozzles
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium Ion

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.