For dependable, high-capacity power on site, the Dewalt DCB546 XR Flexvolt Slide Battery (18/54V, 6.0/2.0Ah) is a trade favourite. Engineered for Dewalt XR Flexvolt tools, it delivers long runtime, rapid charging, and compatibility with both 18V and 54V tools—perfect for professionals and serious DIYers needing flexibility and performance.
Designed to handle demanding jobs, this lithium-ion battery provides consistent power output even under heavy load, keeping tools running efficiently throughout the workday. Its slide-on design ensures quick installation and secure operation.
Key Features:
Dual Voltage Flexibility: Works with both 18V and 54V XR Flexvolt tools for ultimate versatility.
High Capacity: 6.0Ah / 2.0Ah lithium-ion cells deliver extended runtime for longer jobs.
Rapid Charging: Compatible with Dewalt Flexvolt chargers for quick turnaround on site.
Durable & Reliable: Built to withstand tough job site conditions with robust casing and thermal protection.
Slide-On Design: Easy to attach and remove, providing secure connection with all compatible tools.
Technical Specifications:
Voltage: 18/54V
Capacity: 6.0Ah / 2.0Ah Li-Ion
Compatibility: All Dewalt XR Flexvolt tools
Design: Slide-on battery pack with robust casing
Runtime: Long-lasting power for heavy-duty applications
TJ’s Tip:
For maximum battery life, store between 10–30°C and avoid full discharges where possible. Use with compatible Dewalt Flexvolt chargers for safe, rapid charging, and always ensure battery clicks securely into the tool before use. Perfect for keeping high-demand tools running efficiently across multiple tasks on site.
We offer reliable delivery services throughout the Republic of Ireland, with straightforward delivery charges for both trade and DIY customers. Delivery options are confirmed at checkout based on your order and delivery Eircode.
Delivery Charges & Delivery Times
Delivery Type
Delivery Area
Delivery Charge
Delivery Time
Small Items
Republic of Ireland
€9.99
3–4 working days
Large & Heavy*
Standard delivery area
€29.99
5–7 working days
Extra Large*
Standard delivery area
€50.00
5–7 working days
Paint 5L or less**
Standard delivery area
€19.99
5–7 working days
Swipe sideways to compare delivery options.
Small Items
Delivery area
Republic of Ireland
Charge
€9.99
Delivery time
3–4 working days
Large & Heavy*
Delivery area
Standard delivery area
Charge
€29.99
Delivery time
5–7 working days
Extra Large*
Delivery area
Standard delivery area
Charge
€50.00
Delivery time
5–7 working days
Paint 5L or less**
Delivery area
Standard delivery area
Charge
€19.99
Delivery time
5–7 working days
*Standard delivery policy. Promotional delivery rates may apply during campaigns.
Additional Information
FREE delivery on eligible Small Items and Large & Heavy orders over €1,499, within the standard delivery area only.
Special Order and Catalogue Products require an additional 5 working days.
FREE collection of old appliances is available through WEEE Ireland when purchasing qualifying large appliances.
FREE Click & Collect is available for items in stock at your selected branch.
Large & Heavy and Extra Large items are available within our standard delivery area only.
Paint delivery Paint in tin cans 5L or less is available for delivery. Larger sizes and paint supplied in plastic buckets are available for Click & Collect only.
TJ O'Mahony offers a 30-day returns policy on eligible unused products, giving you additional time beyond the statutory 14-day cooling-off period applicable to most online consumer purchases.
Eligible products can be returned for a refund or exchange within 30 days of delivery or collection, provided they are unused, in their original and re-saleable condition, complete with all supplied parts and accessories, and accompanied by proof of purchase.
Please note: Return restrictions apply to certain products, including Mixed Paint, certain Bagged Building Products, Solid Fuel, Special Order, Non-Stock and Catalogued Products.
Your statutory rights in relation to faulty, damaged, incorrectly supplied or non-conforming goods are not affected.