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Lenmar CHUGPLUG PPWMB65 - External battery pack - AC 100-240 V - 60 Watt - 1 x lithium polymer 4000 mAh - white - for Apple MacBook Air (11.6 in, 13.3 in); MacBook Pro (13.3 in, 15.4 in) - Walmart.com - Walmart.com
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