This battery has nearly the same size as a AA battery (It is slightly longer), but can only be used in equipment designed for LiIon batteries, due to the much higher voltage.
3.7V, 750mAh IC PROTECTED Rechargeable Cell (4.2V hot off charger)
Measures only 51.1mm in height (+/-0.1mm) and 14.4mm in width
IC protected for a) over-charge, b) over-discharge, c) short circuit, d) current overflow of 3A+
True protrude top design (button top)
High discharge rate 3A+
Nominal voltage: 3.7V, charge up to 4.2V,
Use CC/CV charger to charge
Reinforced steel plate bottom,
Highly efficient protective PCB design
Note: Eagletac is the registered trademark of Eagtac. inc. The company uses either "Eagletac" or "Eagtac" for the label, depending on batches. Both are authentic Eagletac products and identical in every respect.