Sanyo NCR20700B 4000mAh 15A 20700 Flat Top Battery

WARNING: This battery will NOT fit your regular 18650 mods, you need a special sized battery cradle in your mod to fit this size battery

The Sanyo NCR 20700B is a new 20700 sized battery.  It's a little bigger than an 18650 but packs a lot of energy.  The NCR20700B is the more energy density oriented version of the two 20700 batteries that Sanyo is currently selling, at a huge 4000-4250mAh while still supporting 15A continuous discharge.  As always, all batteries are genuine grade A original NCR20700B batteries.

Panasonic / Sanyo NCR20700B datasheet

• Max Continuous Discharge Current: 15A
• Typical Capacity: 4250mAh
• Rated Capacity:  4000mAh
• Style:  Flat top
• Max Dimensions: 70.3mm (L) x 20.35mm (D) 
• Max Weight: 63g
• Nominal Voltage: 3.6V
• Full Charge Voltage: 4.2V
• Protected/Unprotected:  Unprotected
• Origin:  Japan