800mAh Lithium Battery for AutoLink AL439/ AL539/ AL539B, when you use AutoLink AL439 to do electrical tester, it would need use battery. You can use this one as backup.
800mAh Lithium Battery with 90mm Female Connect Cable for AutoLink AL539/AL439/AL539B
Compatible with: AutoLink AL439/ AL539/ AL539B
1pc x 800mAh Lithium Battery
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