Sanyo UPF383456L manual

						Aug．2002
				Cell Type UPF383456L
				Specifications
				Nominal Capacity		640mAh
				Nominal Voltage		3.7V
				Charging Method		Constant Current
			H			-Constant Voltage
				Charging Voltage		4.2V
				Charging Current		Std. 640mA
				Charging Time		3.0hrs.
				Ambient Temperature	Charge	0～+40℃
					Discharge	-20～+60℃
		T			Storage	-20～+50℃
W				Weight (Approx.)		14.5g
				Dimensions (Max.)	(T)	3.90mm
Dimensions(Typ.)	T	3.85mm			(W)	34.00mm
					(H)	56.00mm
of	W	34.0mm
				Volumetric Energy Density		318Wh/l
Bare Cell
	H	55.5mm
				Gravimetric Energy Density		163Wh/kg

Typical Characteristics

Discharge rate characteristics

	4.5
/ V	4.0
	3.5			Under evaluation
Voltage
	3.0
Cell
	2.5
	2.0
		0	200		400	600	800	1000	1200	1400

Discharge Capacity / mAh

Discharge temperature characteristics

	4.5
/ V	4.0
	3.5					Under evaluation
Voltage
	3.0
Cell
				40℃
				60℃
	2.5			20℃
					0℃
				-10℃
				-20℃
	2.0
		0	200			400	600	800	1000	1200	1400	1600	1800	2000
							Discharge Capacity / mAh

Charge characteristics Cycle characteristics

Cell Voltage / V

4.5	2500
4.0	2000

3.5 Under evaluation 1500

3.0							1000
2.5						500
2.0						0
	0	60	120	180	240

Current / mA

2000 1500mAh

1000/Capacity 500

Discharge Capacity / mAh

2000
1800
1600
1400
		Under evaluation
1000
1200
800
600
400
200
0
	0	100	200	300	400	500

Charge Time / min Number of Cycle