Oasis Select
Battery Adapter Converter for Dayi A3 & 18V Cordless Tools
Battery Adapter Converter for Dayi A3 & 18V Cordless Tools
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Dayi A3 & 18V Cordless Power Tool Battery Adapter Converter
Breathe new life into your cordless power tool setup with this plug-and-play Battery Adapter Converter. Designed for seamless compatibility between Dayi A3 batteries and standard 18V cordless power tools — and vice versa — this compact adapter eliminates costly battery replacements and keeps your workflow uninterrupted. Made in Mainland China.
Key Features
- Dual-Mode Compatibility: Available in two configurations — Model A: use a standard 18V battery (BL1850, BL1860B, BL1855, BL1840, BL1830, BL1820B, BL1815 and other compatible batteries) in a Dayi power tool; Model B: use a Dayi battery in a standard 18V power tool.
- Wide Battery Support: Compatible with BL1850, BL1860B, BL1855, BL1840, BL1830, BL1820B, BL1815, and other compatible 18V Li-ion battery series.
- Durable ABS & PC Construction: Built from tough ABS and polycarbonate (PC) plastic for long-lasting resilience under demanding workshop and job-site conditions.
- Compact & Lightweight: Small form factor makes it easy to toss in your toolbox or carry bag — always ready when you need it.
- True Plug-and-Play: No additional tools, wiring, or complicated setup required. Simply connect and get to work.
- Reliable Power Delivery: Maintains consistent power output for stable, efficient operation of your cordless tools.
- Color: Black
- Material: ABS + PC Plastic
Specifications
| Part Name | Cordless Power Tool Battery Adapter Converter |
| Material | ABS and PC Plastic |
| Color | Black |
| Model A | 18V battery → Dayi power tool |
| Model B | Dayi battery → 18V power tool |
| Country of Origin | Made in Mainland China |
Package Contents
- 1 × Power Tool Battery Adapter Converter
Notes
- Actual color may vary slightly from images due to monitor brightness and lighting conditions.
- Please allow minor measurement deviations due to manual measurement.
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For general power tool and electrical safety guidelines, visit the U.S. Consumer Product Safety Commission (CPSC) for best practices when working with cordless power tools and batteries.
Learn more: Anker
Frequently Asked Questions
Q: What is the difference between Model A and Model B of this battery adapter converter?
A: Model A allows you to use a standard 18V Li-ion battery (such as BL1850, BL1860B, and compatible series) in a Dayi A3 cordless power tool. Model B does the reverse — it lets you use a Dayi A3 battery in a standard 18V cordless power tool. Choose the model that matches your setup.
Q: Is this adapter compatible with all BL-series 18V batteries?
A: Yes — this adapter is designed to work with BL1850, BL1860B, BL1855, BL1840, BL1830, BL1820B, BL1815, and other compatible 18V Li-ion batteries. Always verify your specific battery terminal layout before use.
Q: Does this adapter require any tools or modifications to install?
A: No. This is a true plug-and-play battery adapter converter. Simply slide it into place as you would a standard battery — no extra tools, wiring, or modifications needed.
Q: What material is the adapter made from, and how durable is it?
A: The adapter is constructed from ABS and polycarbonate (PC) plastic, both of which are known for their toughness and impact resistance, making this converter well-suited for regular use in workshop and job-site environments.
