2PCS 2A 5V battery module integrated 3.7 V to 4.2 V 18650 lithium battery booster power board protection

2PCS 2A 5V battery module integrated 3.7 V to 4.2 V 18650 lithium battery booster power board protection
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sku: 1005004995766130
$1.86
Shipping from: China
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