10set / 21700 lithium battery 4.2V 2 MOS protection board assembly 20700 battery 3.7V overcharge discharge 4A continuous current

10set / 21700 lithium battery 4.2V 2 MOS protection board assembly 20700 battery 3.7V overcharge discharge 4A continuous current
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sku: 1005006008957985
$5.00
Shipping from: China
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