Features: Powerful Suction - high performance for efficient use in the toughest applications; 3 Stage Suction Control - Allows the user to achieve optimum runtime and suction power for their task; Telescopic Aluminium Pipe - adjusts from 600 mm to 950 mm overall length to suit the height of all users; HEPA Filter - provides a high filtration rate of 99.97% at 0.3 micron; Reusable Filter Bag - cloth filter bag with 1.5 L capacity and easy disposal of waste; Durable Hose - Plastic coating on hose for improved durability and eliminates kinks; Lightweight Design - the lightest cordless backpack vacuum on the market, weighting at only 4.5 kg (including batteries); Comfortable Harness - designed for long periods of use with minimal fatigue to the user; Specifications:Voltage18V x 2 (36V)Max Sealed suction11 kPaMax air volume2.2 m³/min - Suction Power - Max: 95 W / High 50 W / Normal 25 WWeight3.3 kg Makita 5.0Ah Lithium Battery with Charge Indicator BL1850B-LFeatures: Star Protection ; Battery Fuel Gauge ; Multi-contact slide type terminal; Protective gel coating; Active 3 Controls current, voltage and thermal temperature; Shock absorbing construction; The fastest charge times in the industry; Intelligent battery & charger communication system; Protective gel coating - Sensitive electronics are protected with a thick gel coating, preventing damage against dust & moisture. ; Shock absorbing construction - Battery cells are protected in an internal bumper case with foam pads at the base to protect against shock. ; Multi-contact slide terminal - Ensures stable contact with the tool even under extreme vibration. ; Overload Protection - The battery and tool communicate, protecting your tool and battery from overload by cutting power when put under abnormally high current draw. ; Over-discharge Protection - Monitors battery charge capacity and cuts power to protect battery cells. ; Over heat protection - Extreme heat damages ALL batteries. If the battery reaches a certain level of heat it will cut power to the tool. ; Up 66% more run time than BL1830*; 4-Stage battery fuel indicator; 45 minute charge time; Specifications:Voltage18VDimensions LxWxH11 x 8 x 6.5 cm - Weight0.63 Kg Makita 14.4-18v Dual Lithium Charger Fast Charger DC18RD Features: Fast charging - charges 2 x 3.0 Ah Lithium-Ion batteries at the same time in only 22 minutes; Built-in CPU - gathers information from the battery's memory chip to determine optimum charging method; Forced air cooling fan - cools the battery to minimise charging time; LED charging display; Full charge sound alert; USB port provides 1.5 A output for charging smart phones, tablets, etc; Specifications:Cell Capacity1.5 - 5.0 Ah - Charge Time15 mins (1.5 Ah), 22 mins (3.0 Ah), 36 mins (4.0 Ah), 45 mins (5.0 Ah)Net Weight1.9 kg - Overall Length200 mm - Voltage18V