... the whole weight of 0.45 kg lights 8,Battery storage life: 2 year 4. operation 1, the constant pressure of ... have a broken shell company after-sales staff 6. transportation, storage requirements 1, Miner`s lamp during transport while the intense ... (-15 ~ 40)C, dry, clean and well-ventilated, non-corrosive media storage, we should stay away from fire and heat. 7. the ...