3S 4S 5S 6S 7S 15A Limit 20A 18650 Lion Lithium Battery Protection Board BMS 3.7V 12V 16.8V 21V 25.2V 29.4V Balance Heat Sink

3S 4S 5S 6S 7S 15A Limit 20A 18650 Lion Lithium Battery Protection Board BMS 3.7V 12V 16.8V 21V 25.2V 29.4V Balance Heat Sink
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sku: 1005005831166162
$2.20
Shipping from: China
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