portable emergency battery power bank  4000mah with LED indicator and flashlight for smart phones/mobile phones and other 5V digital devices

Specification:

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Details of product:

Products features:

*High quality portable battery pack with 4400mAh capacity

*Metal housing,durable and easy to carry

*Provide emergency power to your mobile phone,smart phones,iphone/ipad,mp3/mp4 player,PDA,digital camera,GPS,bluetooth and so on

*With grade A 18650 high energy cells inside

*With internal protection functions for short-circuit,over-charger,over-discharge,over-current

Advantages:

1)Fast delivery time

2)Direct manufacturer's price

3.High quality(RMA:0.3-0.5)

4.Excellent after-sales service(can replace or repair them for free)

5.Our sales persons can help you to solve problem in time

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Factory show:

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FAQ:

Q:How many times can this appliance charge for my mobile phone?

A:2-3 times for iphone4 mobile phone 

Q:How long will this appliance take to charge my mobile phone full?

A:Approx:1 hour

Q:How long will the power of battery of this appliance remain?

A:3-6 months,however,we suggest you recharge it every 3 months

Q:How about the warranty for this appliance?

A:one year warranty

Q:Does your appliances pass some certificates?

A:Yes,some of our products have CE,ROHS,FCC,MSDS and UN38.3 certificates.

Q:How do you usually ship the goods?

A:We usually ship the goods by sea,air or international express like DHL,UPS,Fedex,TNT,EMS.,etc

Q:How about your products quality?

A:All of our power banks with Grade A 18650 lithium ion battery or lithium polymer battery and with real capacity