Lumsing power banks: 10400mAh $19 (Orig. $90), 6000mAh $15 (Orig. $20), 3200mAh $8 (Orig. $40), more

Today, Lumsing via Amazon is taking $5 off already low battery packs with the code: 3KOCAYGH used at checkout. The first (pictured above) is the Lumsing 10400mAh Harmonica Style Portable Backup Travel Charger on sale for $18.99 Prime shipped. That’s $71 off the list price and the lowest we’ve seen it sold for. It can charge all iPhones four to five times, a Galaxy S3 three times, or an iPad/iPad 2 once. It also has 4 LED indicators reveal the battery level and it received 4.4/5 stars from Amazon shoppers.

Next up, is the Lumsing 6000mAh Ultra Slim Portable Power Bank External Battery Pack Backup Charger for only $14.99 Prime shipped after you use the coupon from above. That’s $5 off the regular price and the lowest we’ve seen in months. It can charge an iPhone 5s three times, a Galaxy S4 twice, or an iPad mini once. It has a brushed aluminum shell with 4 LED battery indicator and it received 4.5/5 stars with great reviews.

Finally, there is the IMNEED Mini 3200mAh Lipstick Size Portable External Battery Charger for only $7.99 Prime shipped after you use the coupon from above. That’s $5 off the regular price and $35 off the original list price. You can add more than a full charge or 9 hours of additional talk time to your smartphone. It’s designed to avoid overcharge and Amazon customers gave it 4.2/5 star reviews.

Also today, The coupon code: A6HYUF74 will take $5 off these already low chargers.

• Dual Port Car Charger for $5.99 (Orig. $35.99)
• 3-Port Car Charger for $7.99 (Orig. $19.99)
• 4-Port Wall Charger $9.99 (Orig. $29.99) 

3 great Updates: iClever 6-Port 50W 10A Fast USB Desktop Charger $18.99 Prime shipped w/code X7DVWXVQ. Also a big favorite the Power Vault 18,000mAh monster is on sale at specials.9to5otys.com for$29.99 shipped. It still has a Flashlight and two high powered USB ports but is a flatter profile in a sleek lightweight aluminum case.

Amazon has the RAVPower Element 10400mAh Portable Charger with iSmart Technology for $24.99. When you use the coupon code P3FFG8XA the price drops to only $16.49 Prime shipped.