10.8 – 12V Peak Cordless Impact Driver WH12DA

WH12DA 10.8V Cordless Impact Driver

Bit sold separately.

Easy to Work with

  • Easy to Work with

Runtime per Charge*

  • Approx. 50 Wood Screws
    ø4.5 x 90mm wood screws in lauan without pilot holes

    • With the BSL 1225M battery. The presented runtime is shown for reference purposes and may vary according to conditions.
    Runtime per Charge

Other Features

  • LED Light

12V PEAK Slide Lithium-Ion Batteries

  • BSL1240M

    4.0Ah / BSL1240M

  • BSL1225M

    2.5Ah / BSL1225M

  • BSL1215

    1.5Ah / BSL1215

Lightweight. Compact. High-Capacity*.

  • Applies to the BSL1240M.

Clear Battery Status Indication (BSL1240M / BSL1225M only)

  • The remaining battery indicator lamp shows not only charge level but also battery overheating and failure when they occur.

    Remaining battery indicator lamp / Remaining battery indicator switch
Indicator Lamp




Battery Charge State 75% and above 50% - below 75% 25% - below 50% Below 25% 0%
Indicator Lamp

Battery Charge State Output suspended due to high temperature*1 Output suspended due to failure*2
  1. Remove the battery from the tool and allow it to cool down fully.
  2. The problem may be with the battery so please contact your dealer.

Class-leading* Charging Speed

  • Approx. 60min with BSL1240M Battery

    Approx. 37min with BSL1225M Battery

    Approx. 22min with BSL1215 Battery

    Fast Charger

    Fast Charger

  • As of November 2018, among 10.8V slide Lithium-ion batteries made by leading power tool manufacturers. (Survey by Koki Holdings)

BSL1240M / BSL1225M / BSL1215 12V Peak Slide Lithium-ion Battery

Model BSL1240M BSL1225M BSL1215
Voltage 10.8 - 12V Peak
Capacity 4.0Ah 2.5Ah 1.5Ah
Charging Time at 20℃* Approx. 60min
(with UC12SL)
Approx. 37min
(with UC12SL)
Approx. 22min
(with UC12SL)
Dimensions (L x H x W) 91 x 45 x 74mm 86 x 42 x 65mm 86 x 42 x 65mm
Compatible Charger UC12SL
  • The charging time may vary depending on the operating conditions and battery state.


Drive 6.35mm
Capacity Small Screw 4 - 8mm
Ordinary Bolt 5 - 12mm
High Tension Bolt 5 - 10mm
Tightening Torque 110Nm
Battery Voltage 10.8 - 12V Peak
No Load Speed 0 - 2,700/min
Impact Rate 0 - 3,200/min
Overall Length 150mm
Weight*1 1.1kg(with BSL1225M / BSL1215)
1.2kg(with BSL1240M)
Standard Accessories*2 2 Batteries (BSL1225M), Charger (UC12SL), Battery Cover, Carrying Case
  1. According to EPTA-Procedure 01/2014.
  2. Standard accessories vary by country or area.
PDF: 1,020KB
  • Please contact local dealers for product availability and product details.