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Stairlie 9.0Ah 18V Mk-18 Battery Replacement for Milwaukee WK1890 Tools | 9000mAh Power
Power that lasts with Stairlie for Milwaukee Mk-18 tools The Stairlie 9.0Ah 18V battery replacement brings substantial runtime to your...
Vendor:
Stairlie
- $81.46
- $81.46
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$81.46
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Description
xPower that lasts with Stairlie for Milwaukee Mk-18 tools
The Stairlie 9.0Ah 18V battery replacement brings substantial runtime to your Milwaukee Mk-18 family. With a high-capacity 9000mAh cell and 18V nominal output, this pack delivers up to 162W of usable power. At about 920 g, it balances sturdy construction with on-tool balance, and a convenient charge level indicator lets you check status at a glance.
Key specifications at a glance
- High capacity: 9.0Ah (9000mAh) for longer sessions between charges
- Voltage and power: 18V nominal, up to 162W
- Weight: approximately 920 g for comfortable handling on-site
- Charge level indicator: quick status check with a press of a button
Broad compatibility across the Mk-18 ecosystem
Designed to work with Milwaukee Mk-18 series, this battery is compatible with models such as 48-11-1850, 48-11-1840, 48-11-1815, 48-11-1820, 48-11-1828, 48-11-1890, and more. It also powers a wide range of M18 cordless tools, including popular kits like 2646-22CT, 2643-21CT, 2641-21CT, and 2646-21CT, helping reduce the need for multiple spare packs on busy days.
Performance with safeguards
Premium Li-ion cells support efficient charging and energy use, with no memory effect to worry about. Built-in protections guard against over-charging, over-discharging, over-voltage, over-current, and short circuits, contributing to safer, more reliable charging and use.
Safety certifications and global usability
This Mk-18 battery is CE, FCC, and ROHS certified, reflecting adherence to safety and environmental standards for reliable operation across regions.
Real-world benefits and use cases
On demanding jobsites, the long runtime can help you maintain momentum between charges. The 9.0Ah capacity supports longer workflows, while the indicator helps you estimate remaining runtime. The broad compatibility means fewer spare packs and smoother tool transitions.
Care, maintenance, and what's included
Expect a ready-to-use, high-capacity 18V battery that replaces aging packs. For longevity, follow standard charging cycles and store in a cool, dry place when not in use to maintain performance over time.
FAQ
Q: Is the Stairlie 9.0Ah Mk-18 battery compatible with Milwaukee WK1890 tools?
A: Yes. It supports Milwaukee Mk-18 tools and many 48-11 series models, including kits like 2646-22CT.
Q: What safety and certification features does this battery offer?
A: It includes protections against over-charge, over-discharge, over-voltage, over-current, and short circuits, plus CE, FCC, and ROHS certifications.
Shipping & Return
xShipping (Canada)
We offer free shipping on all products across Canada. Orders are typically prepared within 1–2 business days. After dispatch, delivery usually takes 3–5 business days. For remote or hard-to-reach areas, delivery may take 5–7 business days.
We may ship with Asendia, UniUni, Purolator, FedEx, or Canada Post depending on your address, package size, and the item’s handling requirements. P.O. Boxes are accepted where the selected carrier supports them.
Returns (30 Days)
We accept returns on most items within 30 days of delivery. Items must be returned in the condition you received them (new, unused, and with original packaging where applicable). If you receive the wrong or defective item, we’ll make it right.
To start a return, please email us at handyskook@gmail.com with your order number and a brief description of the issue. We’ll reply within 1 business day with the next steps.
Refunds
Once your return is received and inspected, we’ll process your refund to the original payment method. Processing times can vary by payment provider, but most refunds are completed within 5–10 business days after approval.
Order Tracking
When your order ships, you’ll receive a confirmation email with tracking details (when available). If you need help locating your tracking information, contact us at handyskook@gmail.com.
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