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REXEL LP30 LAMINATOR MODView Instructable »
Thinking about making an offer were you? LOL
You can always buy one of these:https://www.tryminimax.com/apgminimax/8.0000/index.dtm?otsrid=ed4c18fa-49e7-4c99-a3a6-2fdd8fa76470
My Car Battery has 540 amps CCA.
Unbelievable right ! I thought so too , until last weekend when I used this to Jump Start my Car.Tried and tested. Remember the flat car battery still has a lot of amps left in it,
The drill Battery puts out 14.4 Volts when fully charged and 12 amps.Thats what the jumper leads have to carry , 12 AMPS !1mm thick actually , but you can use thicker ones if you make this.
Jump Start Your Car with a ...View Instructable »
To recharge the Battery you use a Lithium Li-ion Battery charger, that is suitable for 18650 type batteries. Just like any cellphone you have to use the right charger.
If you read the text you will see that the Step up converter will consume no power when you are not using the DMM as the battery is disconnected when the DMM is switched off.
The DMM runs off of 9 Volts, Here we use the MC34063 to Step up the 3.7 Volts from the 18650 Battery to 9 volts used by the DMM.
Lithium Li-ion 18650 Multi...View Instructable »