... . Content of battery:140mAh5. Working Voltage:3.3~4.2V6. Full battery can keep for 300mouthfuls7. Charge time :1-2 hours8 ... Atomizer1 x Charger7 x Cartridges WARRANTY:12 months for battery,6 months for atomizerCERTIFICATES:CE,ROHS,SGS,PSEHow to order:1 ... depending on weightAftersale Service:1. Warranty:12 months for battery,6 months for atomizer2. Give replacements if there is quality problem ...