Todamay Power Bank 24000mAh Ultra-Portable Phone Charger External Battery 2.1A Input Port, LED Lights 3 Charging Ports for Smartphone&Other Device, Black

Great power bank! It could charge 3 phones at same time, very convenient, after full charge could be used for a long time. The weight doesn't be a concern to me given it's powerful capability, I will never be afraid to take pictures or videos anymore while at outside. Overall, I'm satified with this portable charger.

This battery backup works great at a great price

After a week of use and two full charges, the USB connection of the center collapsed and although it charges for days the red led indicator remains.UPDATE: I returned the power bank to amazon and got my refund. I was immediately contacted by the seller and they even offered a compensation for the problems I had, but i refused. I must say the customer service is outstanding and with this in mind I would probably buy again from them. I really hope they fix the quality problem and make a great product.

Able to charger up to three devices , good for travel use also not heavy weight

It works well

The capacity in watt hours printed on the power bank is 88.8. This should provide about 17.760 mah at 5 volts. I measured the mah during discharge from fully charged until shutdown using a usb meter and a usb lamp for a load. The lamp drew about 300 ma. The result was 10,257 mah. The cumulative current to recharge was 13,564 mah. For comparison a Topmate power bank rated at 20,000 mah provided 11,042 mah during discharge and required 14,965 to recharge.

This is the second power bank I bought from Amazon. Lost my last one, and tried to get a new brand. This one is super-efficient in terms of charging speed, and it has 3 charging port, so I can charge my Ipad at the same time. Performance is super, the only drawback is a little heavy, but it’s 24000mAh, so it’s all good

Absolute garbage. Fully charged it when i opened the box, used it to charge an iphone ONE TIME and worked great, went to fully dead two days later on its own without being used and now it wont take a charge and just blinks red (less than 25% charge) and will not take a charge. Dont waste your money!!!