Datasheet

Lead-Acid Battery
RND is a trademark of Distrelec
Features
• 3+ years floating charge life
• Special lead - calcium alloy plate
• High capability adsorptive clapboard
• Valve-regulated and sealed configuration
• No dissociative acid
• Maintenance-free operation
• Low self-discharge
Specification
Nominal Voltage
12 V
Rated Capacity (20 hour rate) ϭ7 Ah
Width 77 mm
Height
167 mm
Total Height 167 mm
Weight
Approx. 4.9 kg
Length 181 mm
Applications
Emergency lighting systems, electric tools, fire alarms, security and UPS systems, backup power systems, electric systems etc.
Characteristics
Capacity
25℃(77°F)
20 hour rate (850mA) 17Ah
10 hour rate (1.7A) 17Ah
5 hour rate (2.89A) 14.45Ah
1 hour rate (11.05A) 11.05Ah
Internal Resistance
Full Charged Battery 25℃(77°F)
15mΩ
Cyclic Life 50%(C
20
) Depth of discharge 600 Times
Float Life
25℃(77°F) Float charge at 13.8V 3～5 Years
Capacity affected
by Temperature
(20 hour)
40℃ (104°F)
102%
25℃ (77°F)
100%
0℃ (32°F)
85%
-15℃ (5°F)
65%
Self-Discharge
25℃(77°F)
Capacity after 3 month storage 90%
Capacity after 6 month storage 80%
Capacity after 12 month storage
62%
Charge
(Constant
Voltage)
25℃(77°F)
Cycle
Initial Charging Current Less
than 5.1A Voltage 14.4-14.7V
Float Voltage 13.50-13.80V