DeWalt DCB546 18V/54V 6.0/2.0Ah FlexVolt battery
Convertible 18V/54V FlexVolt: 6.0Ah at 18V, 2.0Ah at 54V, 108Wh either way. Backwards-compatible with all 18V XR tools and chargers; steps up to 54V on FlexVolt tools. LED fuel gauge.
Other sizes in this range
Same fit, same tools. Bigger packs run longer and weigh more. Pick the size for the job.
Prices are the lowest we track at UK retailers, updated daily. Weights from DeWalt. Energy is DeWalt's figure, or worked out from volts × Ah where they don't publish one.
Full specs
From DeWalt's own documentation, checked 14/06/2026. "Not listed" where DeWalt doesn't publish a figure.
Charge times
DeWalt's own figures, fastest first. Each charger opens its own page.
DeWalt's own figures. We may earn a commission
Fits these tools
Every DeWalt 18V/54V FlexVolt tool takes this pack. It won't fit other brands' tools.
6.0Ah packs from other brands
Only useful if you haven't picked a platform yet: packs don't swap between brands. Shown on neutral figures only.
DCB546 questions
Which tools does the DCB546 fit?
It fits every DeWalt 18V/54V FlexVolt tool, and it also runs DeWalt 18V XR tools. It won't fit other brands' tools.
How long does the DCB546 take to charge?
From DeWalt's own figures: DCB117: 40 min, DCB104: 1 hr, DCB118: 1 hr, DCB116: 1 hr 20 min, DCB1104: 1 hr 30 min, DCB132: 1 hr 30 min, DWST83470: 2 hr 50 min, DCB1102: 2 hr 50 min.

