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· 7 in stock · prices checked Oct 17, 2026, 6:34 AM ET
Cheapest power bank per 1,000 mAh
Price ÷ battery capacity in the product name, per 1,000 mAh. Keeping phones charged is the first job of any outage kit. mAh ratings are at the cell's voltage, so compare within similar sizes.
The ranking lowest cost per 1,000 mAh first
Brand-store buttons go straight to the brand's own page, with no affiliate tag. Rankings are pure math.
| Rank | Product | $ / 1,000 mAh | Capacity (product name) | Price today | vs. last week |
|---|---|---|---|---|---|
| #1 | 72000mAh 266Wh Power Bank Renogy In stock | $2.22 | 72,000 mAh | $159.99 | history building |
| #2 | Nitecore NB10000 Gen 2 Quick-Charge USB/USB-C Dual Port 10000mAh Power Bank Nitecore Store In stock | $6.00 | 10,000 mAh | $59.95 | history building |
| #3 | Nitecore Carbon Battery 6K USB-C 6000mAh Power Bank Nitecore Store In stock | $6.66 | 6,000 mAh | $39.95 | history building |
| #4 | NITECORE Summit 20000 Power Bank, 20,000mAh for Low Temperature Nitecore Store In stock | $7.50 | 20,000 mAh | $149.95 | history building |
| #5 | Nitecore Carbo 20 20,000mAh 65W Waterproof USB-C Power Bank Nitecore Store In stock | $9.00 | 20,000 mAh | $179.95 | history building |
| #6 | Nitecore Carbo 10000 Gen2 10,000mAh Fast-Charging Power Bank Nitecore Store In stock | $12.00 | 10,000 mAh | $119.95 | history building |
| #7 | Nitecore NW5000 Magnetic Wireless Charging and USB-C 5000mAh Power Bank Nitecore Store In stock | $13.99 | 5,000 mAh | $69.95 | history building |
Price history started Oct 17, 2026; week-over-week changes appear as it builds. Prices checked Oct 17, 2026, 6:34 AM ET at each brand's own store. Tax and shipping not included.
Specs marked "product name" are read from the brand's own product title. Products sold in several sizes at different prices are left out of per-unit math so the spec matches the price.
Sold out today (5)
- Renogy E.POWER 16000mAh Portable Solar Charger, last price $29.99
- Nitecore Store Nitecore NPB4 20,000mAh Waterproof Power Bank, last price $99.95
- Nitecore Store Nitecore NC10000 USB-C QC/PD 10000mAh Outdoor Power Bank, last price $54.95
- Nitecore Store Nitecore NPB1 5000mAh Waterproof Power Bank, last price $39.95
- Nitecore Store NITECORE Summit 10000 10,000mAh Power Bank for Low Temperatures, last price $119.95
Prepared, not scared
Cheapest isn't always best: check what each product includes on the brand page, and buy for the household you actually have. The Kit Calculator works out how much food and water that is.
More power stations & solar rankings
Questions people ask
What is the cheapest power banks right now?
At today's prices: Renogy 72000mAh 266Wh Power Bank at $2.22 per 1,000 mAh ($159.99). This page updates every day.
How often is this ranking updated?
Daily. We check each brand store once a day and rebuild this page; the last check was Oct 17, 2026, 6:34 AM ET.
Why isn't my favorite brand listed?
We only collect prices from stores whose terms allow automated price checks. Brands that forbid it, such as EcoFlow, Jackery and Sawyer, are listed on our methods page.