Specification 

 Features 

Authentic Pana sonic NCR18650B 3400mAh batteries.  One of the batteries offering the biggest possible mAh capacity you can get in an 18650.  They can't handle the current that some of the other batteries can but as long as you're not running lots of current these will last a long time.  They're happiest at 1-2A each although they can handle spikes up to about 6A.

 Warning 

Li-ion batteries can be dangerous when used wrong, short circuit or wrong usage can lead to fire or an explosion

Do not put the battery in a charger or equipment with wrong terminals connected

Never short cut the battery. Take care you don’t short cut it accidentally, do not put it in your pocked together with bunch of keys

Do not disassemble or deform the battery. Dispose it if the battery is deformed

Do not immerse in water

Avoid excessive physical shock or vibration

Do not expose to, dispose of the battery in fire

Keep out of the reach of children

Never use a modified or damaged charger

Do not leave battery in charger over 12 hours

Store the battery in a cool, dry and well-ventilated area

Dispose of in accordance with local regulations

Do not solder on these cells