Electronics > Portable Audio & Video > Portable Power Banks
30000mAh 22.5W Portable Power Bank with Digital Display EL-2938
Brand: Generic / OEM
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Audited BOM: 10 Components
Audit & Profit Calculator (US Channels)
Gross-up margin calculation for Amazon FBA, Walmart WFS, eBay US, and TikTok Shop.
Reverse Net Margin by Marketplace
Embeds Amazon FBA fulfillment ($4.50), category referral fee (15%), and net landed cost to guarantee targeted net payout.