•  Full charge is enough for 4 hours non stop use on full power. 

•  Charging time is 4-5 hours. 

•  If you want to top up in the car/van you may want to buy an INVERTER.

•  Which will convert DC 12 v to AC 240 v from the cigarette lighter, this way  you can charge the backpack inside the car. It has a standard LEAD ACID.

•  The backpack comes with a battery installed within.

•   We do not stock spare batteries

•  BATTERY which can be found from e bay easily.

• If you do not know which one you need please ask before the purchase. ( Please choose your connection carefully) 

 BACKPACK - BLUEMAN 20 L :

1 - 20 Litre capacity

2 - 12 v 70 psi, 2.9 L/min pump

3 - Step-less variable pump controller. You can switch on the unit direct from the controller.

4 - Full power switch. When you switch on from the ON/OFF button it works full power and bypass the variable controller

5 - External Fuse holder, you can change and check the fuse externally without opening the unit.

6 - Led battery level indicator. We advise you to charge it after each full day use without relying on the LED indicator.

7 - Our warranty is on INDUSTRIAL BACK TO BASE WARRANTY terms.