Extralink

BATTERY ACCUMULATOR 12V 18AH

Maintenance-free battery 12V-18Ah

Purpose:

Alarm systems and access control, communication, telecommunication and wireless Wi-Fi. Supply of mobile devices, industry and energy.

Technology:

Extralink acid maintenance-free batteries, the electrolyte is trapped in the separator with glass mat. Type: sealed lead-acid batteries, with safety valve

Features:

Design life of 3-5 years - more than 600 cycles at a depth of discharge to 50%.

Discharge curve:

Extralink accumulator 12v 18ah discharge curve

Product specification

Battery construction :

Lead dioxide Positive plate
Lead Negative plate
ABS Container
Rubber Safety valve
Copper Terminal
Fiberglass Separator
Sulfuric acid Electrolyte

Nominal Voltage :

12V

Nominal Capacity (20 hour rate) :

18Ah

Capacity 25°C (77°F) :

20 hour rate (0.36A) - 18Ah
10 hour rate (0.684A) - 17.1Ah
5 hour rate (1.152A) - 14.4Ah
1 hour rate (4.68A) - 11.7Ah

Internal Resistance :

Full Charged Battery 25°C(77°F) - <25mΩ

Cyclic Life :

50%(C20) Depth of discharge - 600 Times

Float Life :

25°C(77°F) Float charge at 13.8V - About 3 Years

Capacity affected by Temperature (20 hour) :

40°C (104°F) - 102%
25°C (77°F) - 100%
0°C (32°F) - 85%
-15°C (5°F) - 65%

Self-Discharge 25°C (77°F) :

Capacity after 3 month storage - 90%
Capacity after 6 month storage - 80%
Capacity after 12 month storage - 62%

Charge (Constant Voltage) 25°C (77°F) - Cycle :

Initial Charging Current Less than 5.4A Voltage 14.6-15.0V

Charge (Constant Voltage) 25°C (77°F) - Float :

Voltage 13.5-13.8V

Discharge characteristics :

Voltage	Run Time (Constant Current and Power 25ᵒC 77ᵒF)
Voltage	3 min	5 min	15 min	30 min	45 min	1h	2h	3h	5h	8h	10h	20h
9.6 V	777	687	398	241	168	134	72,5	52,7	35,8	23,6	19,6	10,7
10.2V	700	628	358	221	164	132	71,5	52,2	35,5	23,6	19,6	10,7
10.5V	583	551	339	209	162	130	70,5	51,5	35,5	23,2	19,5	10,5
10.8V	543	491	319	180	160	128	68,4	50,1	35,2	23,2	19,1	10,3