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Lisen direct via Amazon [amazon.com] has 10,000mAh 45W Lisen Compact Portable Charger Power Bank on sale for $32.99 – $10.00 off when you apply promo code NCNORFMK at checkout = $22.99. Shipping is free w/ Prime or on orders $35+.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, try refreshing the page, re-entering the code, or checking after you select a payment method to confirm whether it already applied.