21V 20ah lithium battery pack 21700 6S4P with BMS 100W-350W suitable for high-power backup battery solar outdoor+2A charger

21V 20ah lithium battery pack 21700 6S4P with BMS 100W-350W suitable for high-power backup battery solar outdoor+2A charger
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sku: 1005007628283721
$70.52
Shipping from: China
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