‹ All DeWalt 18V/54V FlexVolt batteries

18V/54V FlexVolt DeWalt DCB549

Fits

32 DeWalt 18V/54V FlexVolt tools + 100 moreSee them ›

Charges

1 hr 30 min on the DCB117, the fastest of 7Charge times ›

Specs

From DeWalt's own documentationChecked 14 Jun 2026

DeWalt · 18V/54V FlexVolt platform

DeWalt DCB549 18V/54V 15.0/5.0Ah FlexVolt battery

15.0Ah 270Wh 2.12kg Fuel gauge

Convertible 18V/54V FlexVolt: 15.0Ah at 18V, 5.0Ah at 54V, 270Wh. DeWalt’s highest-capacity pack on the whole cordless system. LED fuel gauge.

Adds it to My Tools, kept on this device

Lowest price we track

£259.95at Tooled Up · + £5.95 delivery

View at Tooled Up ›

Compare retailersTotal with delivery

Tooled Up Lowest£259.95 + £5.95 delivery£265.90View ›

My Tool Shed£259.95 + £5.95 delivery£265.90View ›

Prices from UK retailer feeds, updated daily.We may earn a commission

15.0AhCapacitymaker figure

270WhEnergymaker figure

2.12kgWeightmaker figure

127Wh/kgEnergy for its weightworked out

£17.33Per Ahat the lowest price we track

Other sizes in this range

Same fit, same tools. Bigger packs run longer and weigh more. Pick the size for the job.

Compare these sizes ›All DeWalt 18V/54V FlexVolt batteries ›

ModelSizeEnergyWeightLowest pricePer Ah

DCB546 6.0Ah 108Wh 1.08kg £99.95 £16.66 per Ah

DCB547 9.0Ah 162Wh 1.46kg £119.95 £13.33 per Ah

DCB548 12.0Ah 216Wh 1.46kg £229.95 £19.16 per Ah

DCB549 This one 15.0Ah 270Wh 2.12kg £259.95 £17.33 per Ah

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.

Voltage18V/54V

Capacity15.0Ah

Energy270Wh

ChemistryLi-ion (cylindrical)

Cell typeNot listed

Weight2.12kg

Size (L × W × H)Not listed

Fuel gaugeYes

PlatformDeWalt 18V/54V FlexVolt

Model codeDCB549

Charge times

DeWalt's own figures, fastest first. Each charger opens its own page.

DCB117Fast charger (fan-cooled)

1 hr 30 min

No retailer price yet

DCB104Multi-voltage 4-port charger

2 hr 5 min

£259.95 at Tooled Up ›

DCB118Fan-cooled fast charger

2 hr 5 min

£62.39 at Machine Mart ›

DCB116Fast charger

2 hr 50 min

£39.99 at Tooled Up ›

DCB1104Charger

3 hr 50 min

£39.95 at Tooled Up ›

DCB132Dual-port charger

3 hr 50 min

£119.95 at Tooled Up ›

DCB1102Compact charger

7 hr 30 min

No retailer price yet

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.

All 32 DeWalt 18V/54V FlexVolt tools ›

SDS+ Hammer Drills5 tools › Demolition Hammers4 tools › SDS Max Hammer Drills4 tools › Mitre Saws4 tools › Circular Saws3 tools › Angle Grinders3 tools › Reciprocating Saws2 tools › Table Saws1 tool › Alligator & Insulation Saws1 tool › Diamond Core Drills1 tool › Dust Extractors1 tool › Angle Drills1 tool › Combi Drills1 tool › Plunge Saws1 tool ›

Also runs 100 DeWalt 18V XR toolsIt works one way only: those tools' own packs won't run DeWalt 18V/54V FlexVolt tools.

See them ›

15.0Ah 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.

Not sure which platform? ›

BatteryEnergyWeightWh per kgLowest pricePer Ah

DeWaltDCB549 270Wh 2.12kg 127 £259.95£17.33

BoschEXBA18V-150 270Wh 1.52kg 178 No price yet

DCB549 questions

Which tools does the DCB549 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 DCB549 take to charge?

From DeWalt's own figures: DCB117: 1 hr 30 min, DCB104: 2 hr 5 min, DCB118: 2 hr 5 min, DCB116: 2 hr 50 min, DCB1104: 3 hr 50 min, DCB132: 3 hr 50 min, DCB1102: 7 hr 30 min.