Data Sheet

Discharge Characteristics(25℃)
Discharge tim e
Voltage (V)
m in
1
0
2
5
10 2030 60 2 3
5
10 20303
h
6.50
6.00
5.50
5.00
4.50
4.00
3.50
Effect of Temperature on Capacity
3
.
0
C
1
.
0
C
0
.
1
C
0
.
0
5
C
Temperature(℃)
Capacity (%)
-10
-20 0 10 20 30 40 50
0
20
40
60
80
100
120
0
.
2
5
C
The Relationship for Open Circuit Voltage
and Residual Capacity (25℃
)
Residual Capacity（%）
0 20 40 60 80 100
Open Circuit Voltage (V)
(20℃/68
℉～
25℃/77
℉
)
6.00
5.50
5.00
6.50
7.00
Floating Life on Temperature
Life (years)
0.1
1
10
10 20 30 40 50 60
Temperature(℃)
Charging Characteristics(25℃
)
0.05
0.10
0.15
20
40
60
0.20
0.25
140
80
100
120
Voltage
Charged Volume
Charging time(hours)
0
2
4
6
8
10 12 14 16 18 20
Charge Voltage
Charging Current
1. Discharge:100%
2. Charge voltage:2.35V/cell
3. Charge current:0.25C(A)
00
4. Temperature:20°C
(V)
Current
(CA)
Charged
(%)
Volume
6.50
6.00
7.00
7.50
Self-discharge Characteristics
Capacity (%)
Storage time: months
0
40
50
60
70
80
90
100
2
4
6 8 10 12 14 16 18 20
The Relationship for Charging Voltage and
Temperature
Cycle Life on D.O.D(25℃)
Number of cycles (cycles)
80
400
20
0
200
40
60
100% D.O.D.
600 800
50% D.O.D.
100
120
1000 1200 1400
Capacity (%)
30% D.O.D.
Page 2 of 2
-10
0
10
20 30 40 50 60( ℃)
14
32 50 68 86
104 122 140(
℉
)
C
YC
L
E
U
S
E
S
T
A
N
D
B
Y
U
S
E
Temperature
Voltage(V)
6.60
6.90
7.20
7.50
7.80
6V
BELTRONA GmbH & Co. KG
electronic components
Schmeienstraße 50
D-72510 Stetten a.k.M.
Telefon [phone]
Telefon [phone]
Telefax [phone]
Telefax [phone]
www.beltrona.de
[e-mail]
XCELL XP 76
6V 7 AH