Li-Fe-PO4 IFR16340 Rechargeable:500mAh 3.2V

LiFePO4 is new generation Li-Ion battery  which never explodes and causes a fire because of its chemistry. LiFePO4 battery also has longer cycle life than normal Li-Ion cell

Rechargeable RCR123A 3.0V 500mAh rechargeable LiFePO4 Battery
Life cycle: 1000 times
It is perfect for most camera, and compact flash lights
Voltage:3.2V ( working ) and 3.6V ( peak)  --- Can replace CR123 primary Lithium battery exactly without extra voltage
Discharge cut-off voltage: 2.0V
Please never overdischarge battery below 2.0V/cell
Capacity: 500 mAh
Maximum discharging rate:< 500 mA
Maximum charge current: <500 mA
Cell's dimension:   17mm Dia. x 34.5mm H.    
Weight: 0.6 oz (17 grams).

LiFePO4 Series:                       High Energy LiFePO4  Battery
Model	Capacity(mAh)	Diameter(mm)+-0.3	Height (mm)+-0.5	Weight   (g)	Resistance(m??)	Nominal Voltage(V)	Discharge Rate
IFR18650-140	1400	18.2	64.5	40	<80	3.2	4C(with PTC)
IFR26650-320	3200	26	65	76	<40	3.2	4C
IFR16340-050	500	16.2	33.7	17	<150	3.2	4C
PFB422440-20	200	4.2*24*44		8	<350	3.2	1C