RavPower 10,000mAh Portable Battery Charger for $9 with free shipping at Newegg.
Same deal at Amazon when clicking the $5 coupon under the $14 price.
When fully charged, it can recharge 2 phones simultaneously, or 1 phone and 1 tablet.
Also today, Newegg is selling
Seagate External/Desktop 8TB USB Hard Drive for $125 when applying code EMCDPFG24 in the cart.
8TB can hold about 2 million photos taken from a phone, about 128,000 uncompressed photos taken from a SLR or mirrorless camera, or about 128 hours of HD-quality videos.
If you are concerned about long-term safekeeping of your important files, you could buy two and backup files onto both drives (one as a backup of the other, should one eventually fail), or pay a monthly fee for cloud backup.
- Western Digital Black 500GB M.2 SSD for $63
Western Digital's "Black" line are their highest grade of drives, and come with a 5-year warranty.
The 500GB WD Black M.2 SSD is on sale for $63, and normally sells for about $80.
- PC Game: Doom Eternal for $27
Coinciding with this week's Quakecon, they have put Doom Eternal on sale for $30, and code EMCDPDH58 applies $3 off during checkout.
The game downloads online immediately after purchase.
Doom is rated "M" for mature for its violent gameplay.
Charges up to two USB devices at once with a combined 3.4A max power output.
A typical smartphone as a 3,100mAh battery, so this fully-charged 20,000 charger can replenish a drained phone battery about 6 times.