20pcs 3.7v 1 string PCB 4A discharge IC Protection Board Welding Nickel Sheet DIY 4.2v 18650 21700 26650 Lithium Battery pack

20pcs 3.7v 1 string PCB 4A discharge IC Protection Board Welding Nickel Sheet DIY 4.2v 18650 21700 26650 Lithium Battery pack
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sku: 1005004436568381
$46.98
Shipping from: China
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