What would be the voltage of this battery?

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http://www.maplin.co.uk/3w-rechargeable-tactical-led-torch-415752?c=maplin&utm_source=endeca&utm_medium=endeca_search&utm_campaign=a76jx&utm_content=led+torches


specification:
led chip: 3w cree® 160 lumens
discharge time: 3 hours (full power)
recharge time: 4.5 hours
charging options: 220-240v ac mains
12v dc in-car
battery: li-ion 18650 x 2 (2000mah)

http://www.maplin.co.uk/3w-rechargeable-tactical-led-torch-415752?c=maplin&utm_source=endeca&utm_medium=endeca_search&utm_campaign=a76jx&utm_content=led+torches specification: led chip: 3w cree® 160 lumens discharge time: 3 hours (full power) recharge time: 4.5...


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