Smartphones are very power-consuming products. Especially for those with large screen and powerful configuration, battery life is always the core issue. Now there are many power banks with very low cost in the market, the battery life of smartphones is no longer a problem. Here you will find the hot power banks on Vifocal! They are with massive battery capacity and at very low cost!

1. $15.99-Original Xiaomi Power Bank 10400Mah for Smartphone Tablet

Compatible with iPhone, HTC, Samsung, smartphone and Tablet PC(the power bank will adjust the output power automatically to meet different devices' needs)

Battery capacity: 3.6V 10400mAh
Interface: Micro USB(input), USB(output)
Input: DC 5V, 2.0A
Ouput: DC 5.1V, 2.1A
Charging time: about 5.5hours with 5V/2A charger
Size: 9 x 7.7 x 2.2cm(L x W x T)

2. $27.99-16000MAh XIAOMI Power Bank Dual USB for Smartphone Tablet Notebook

Rated capacity: 3.75V/16000mAh(TYP)
Input: DV 5V, 2.0mAh(TYP)
Output: DV 5V, 2.1mAh(TYP)
Charging time:
about 9 hour(use standard cable with 5V/2A charger adapter);
about 14.5 hour(use standard cable with 5V/1A charger adapter);
Ports: 1 x Micro USB port for charging itself
2 x USB port for charging other devices like smartphone, tablet pc, notebook, etc
(Each USB port supports 5.1V/2.1A output; max 5.1V/3.6A output when dual USB port working)
Size: 145 x 60.4 x 22mm
Weight: 350g

3. $19.99-6000MAh Real Bamboo Power Bank Natural Wood For Oneplus Smartphone

Capacity: 6000 mAh
Input: 5V / 1A
Output: 5V / 1A
Compatibility: All Mobile Phones compatible with Micro USB Port
Size: 120.5*43*20mm
Weight: 135g

4. $25.99-10000MAh External Battery Mobile Charger Dual USB Output For Oneplus One Phone

Battery type LiPo
Nominal capacity 10,000 mAh
Input DC 5V/2A
Output 2 × 5V/2ACharging time Approx. 5.5h
Dimensions 142.8 × 72.6 × 16.2 mm
Weight 220g