Product description: 3-mode operation delivers 3600 lumens on high mode | Battery capacity warning function | IP65 certified dust and water resistance | Illuminance (High/mid/low): at 1m from the light source: 2,100/1,000/500lx | Luminous flux: High/mid/low: 3,600/1,800/900 lm | Lighting coverage: High/mid/low: 3.5/7.5/15 h | Run time (Low/medium/high): 15/7.5/3.5 hrs with BL4040 | Powerpack XGT? 191K03-2 | XGT? ? Li-ion ? (2x) BL4040 40V max / 4.0 Ah ? DC40RA ? Makpac 1 | Li-ion battery for 10.8V slide-in battery type tools | Compact and light 1.5 Ah Li-ion battery with a charge level indicator. Suitable for battery-powered 10.8V Makita tools. Battery is light and very compact in size. Charge time is approximately 30 minutes with a rapid charger. Technical specification: Nominal Battery Voltage: 40 V | Voltage XGT: ? | Battery Capacity: 4.0 Ah | Battery Chemistry (Ni-Cd / Ni-MH / Li-ion): Li-ion | User benefits: Battery protection circuit protects against overloading, over-discharging and over-heating