You do not need the battery and charger, just plug your USB passthrough with your computer or AC-USB Adaptor

Nornal Working Voltage:DC 5.0V, supply power connect with the PC or AC-USB Adaptor for e-cigs through usb line.

1 Usb E-cigar
1 Cigar Cartridge (content 5.5ml e-liquid)
1 Bottle e-liquid(10ml)

1 E-cigarette Atomizer
1 Usb E-cigarette Battery
1 E-liquid (10ml/bottle)

E-Cigarette USB Passthrough Battery: for pen style e-cigarette

1. Diameter: 9.1mm
2. Length:87 mm, Use line length: 1.5m
3. Weight: 40g 
4. connector screw: M9.0 

USB Mini e-cigarette BE103U

-1 Mini e-cigarette Atomizer
-1 USB  mini e-cigarette  Passthrough Battery(BE103/DSE103/RN4081)
-1 E-liquid (10ml/bottle)

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Mini e-cigarette USB Passthrough battery: for BE103/DSE103 mini e cigarette

1. Diameter: 9.1mm
2. Length:67 mm, Use line length: 1.5m
3. Weight: 40g 
4. connector screw: M8.0
5. Nornal Working Voltage:DC 5.0V supply power connect with the PC
6. Color: White, black and stainless steel.

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USB mini e-cigarette BE901U

-1 Mini e-cigarette Atomizer
-1 USB mini e-cigarette Pass through Battery(BE901/DSE901/RN4075)
-1 E-liquid (10ml/bottle

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Mini e-cigarette USB Passthrough Battery:

for BE901/DSE901 mini e-cigarette

1. Diameter: 9.1mm
2. Length:67 mm, Use line length: 1.5m
3. Weight: 40g 
4. connector screw: M7.5
 

USB mini e-cigarette BE401U

-1 Mini e-cigarette Atomizer
-1 USB mini e-cigarette Pass through Battery(BE401/M401)
-1 E-liquid (10ml/bottle

Mini e-cigarette USB Passthrough Battery: for BE401/M401 mini e-cigarette

1. Diameter: 8.5mm
2. Length: mm, Use line length: 1.5m
3. Weight: 40g 
4. connector screw: M7.5

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USB mini e-cigarette-BE510U

-1 Mini e-cigarette 510 Atomizer
-1 USB Manual Passthrough Battery(BE510)
-1 E-liquid (10ml/bottle)

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Mini e-cigarette USB Battery (BE510)

510 Manual USB Passthrough battery, can be compared to with BE510/Joye510/Titan510/TECC510).
Color: white, silver and Black ( black with blue led)

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  eGo MEGA USB Battery-1100mAh