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User Manual 
Nanight Cave 2 Dive light 

 
Thank you for choosing a dive light from Nanight! The lamp is 
designed for diving at depths of up to 200m. We at Nanight hope 
your new lamp will give you many rewarding days and nights of 
diving! 

1

PRODUCT DESCRIPTION

 

Output: 4000 lumens 

LED Type: Cree XHP70 

Battery: 14,4V Panasonic Li-Ion, 6700 mAh,  

Beam Angle: 5°  

Burn Time: Up to 7 hours  

3-step dimming 

Operating temperature: 0 – 35°C 

Operating voltage: 5 - 20V 

2

NANIGHT CAVE INCLUDES THE FOLLOWING PARTS 

Lamp head 

Battery canister 

Charger  

HD Canister mount 

Goodman handle 

Velcro canister tank mount 

Case and a sticker 

3

BEFORE USE 

3.1 CHARGE THE BATTERY 

Open the battery canister by unscrewing the sealing plastic 
plug counterclockwise. 

Disconnect the battery connector by pressing down on the 
latch and pull the connectors apart (see picture). 

             

 

Connect the charger connector to the battery connector. 

It 

is important that the connectors are connected to each 
other in the correct orientation 

(see picture). 

Plug the charger into a wall outlet. The charger's indicator 
light turns from red to green when the battery is fully 
charged. 

When the battery is fully charged, disconnect the charger 
connector and reconnect the dive light connector. 

It is 

important that the connectors are connected to each other 
in the correct orientation 

(see picture). 

Inspect the o-rings, clean any debris and replace them 
immediately if damage exists. 

Make sure that the elastics around the battery is tight and 
keeps cords and plugs in place. 

Close the canister by pushing the plastic plug into the pipe, 
past the first o-ring. Tighten the plastic cap by turning  

Clockwise. Be careful so that the parts threading properly 
against each other. 

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