4000mAh Power Bank for Mobile Phone Charger

1. Power bank can exertnal the using time of your phone, iPhone, iPad, camera and so on.
2. Power bank with Super Capacity.
3. The ideal portable battery pack for your long commutes, airport teavels and outdoor campings.

Battery type: 18650 Li-ion cell Input: USB 5.0V/1A Input port: MICRO USB
Power Bank capacity: 4000mAh Standard USB portTransfer efficiency: 95% Dimension: 165*98*31mm
Suitable for use: Mobile phone/tablet PC/digita
Standard configuration: 1× Power bank, 5 connectors(micro, mini, Samsung iPhone, Nokia), 1*charging cable, 1× Datasheet.

Advantages:
1). High conversion efficiency
Capacity conversion efficiency = output capacity/built-in cells capacity
Our power bank's conversion can reach above 70%, and it is the best level, but most brands sold well now just reach 50%.
The truly output capacity is 5200mAh, higher than almost other power banks. It can charging for iPhone4/4s 3 times if it's full.

2). High charging current
Our power bank can charge quickly your any model mobile by 900-1000mA for not only Apple phone but also Android system mobile.

3). About materials
1, Our shells are pure anti-flaming PC, so it is anti-fall and anti-friction, and it always keep new after using long time.
2, Our PCB is designed and produced by ourselves, so the quality is reliable and the price is competitive but other power brands purchase finished PCB.
3, Long battery cycle life.
Houny power bank can keep 85% capacity after charging 500 times, other brand power bank may finish all the capacity after charging 100 times.