2 strings 7.4V 4A 18650 lithium battery protection board dual string protection chip 8.4V overcurrent overshoot 4A

2 strings 7.4V 4A 18650 lithium battery protection board dual string protection chip 8.4V overcurrent overshoot 4A
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sku: 1005007059607983
$4.06+9%
$4.43
Shipping from: China
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