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Review of Draper 53090 - 100amp battery load tester
on 2 May 2011
Inorder to safely ascertain the state / condition of a lead acid car battery it is necessary to apply a substantial load to the battery and monitor any voltage drop occuring over a fixed time period. The piece of kit that I chose was the ASIN B001FCQXQW Draper 53090, 100amp battery load tester (BLT100). I found that the Draper 53090 was well made and easy to use with the instructions clear and concise. The tester can be used on both 6 and 12volt lead acid batteries. Once the crocodile clips have been connected to the battery (the red lead to the + terminal) the load switch is pressed and held on for approximately 10 seconds as stated, during this short time you will need to observe the clearly marked voltage scale to ascertain the state of the battery. Please be aware that the 100amp load element will get hot and heat up the top part of the case. Also if the 10 second time limit is extended there will be a risk of damage to the element. Basically a well made unit that does the job.