12V 7ah Rechargeable Security Battery Maintenance Free: Voltage:12V; Capacity: 7Ah, Widely used for Alarm and Access control System.
Features:
-Extremely safe and stable chemistry
- Non-spillable construction design
- ABS containers and covers optional
- safty valve installation of explosion proof
- high quality and high realiability
- exceptional deep discharge recovery performance
- low shelf discharge characteristics
- flexible design for multiple installation positions
Applications:
♦Telephone switchboards, electric equipments, medical equipments, medical instruments and meters
♦Computers and uninterrupted power source (UPS)
♦ower transmission and transformer station, switch control and accident lighting
♦ Fire fighting, safety device and alarm monitoring
♦Aviation, spaceflight and power storage
♦Automatic office system
♦ Radio communication
♦ Emrgency lighting and car and ship starting system
♦Portable electric appliances and mining system
♦Traffic and navigation signal lamp
Notice:
Don't near the hot source and don't under the sunshine.
Don't charge in the sealed container.
No short circuit. It should be addition charge if you don't use, and single charge per three months, to avoid irreversible sulfating. The battery should be changed when the battery jar broken or the electrolyte omitted, to avoid acid corrosion.
Don't store in the space of acid gas.
You should be careful and regular check when use the battery. To avoid the battery don't work. You should change the battery if the capacity is not full or has been damage, especially after one year using.
Don't put the battery in the fire, or it will explode.
Please use cotton cloth to clean, if the battery is broken down and leak electrolyte. Please wash your skin when touch the electrolyte.
Specification:
| pacity 25°C(77°F) |
20 hour rate(0.35A, 10.50V) |
7.00AH |
| 10 hour rate(0.66A, 10.50V) |
6.60AH |
| 5 hour rate(1.20A, 10.50V) |
6.00AH |
| 1 hour rate(4.55A, 9.60V) |
4.55AH |
| Internal Resistance |
Full charged Batteryat 25 °C (77°F) |
25mΩ |
| Capacity affected by temperature(20 hour rate) |
40°C(104°F) |
102% |
| 25°C(77°F) |
100% |
| 0°C(32°F) |
85% |
| -15°C(5°F) |
65% |
| Self-Discharge at 25°C(77°F) |
Capacity after 3 month storage |
91% |
| Capacity after 6 month storage |
82% |
| Capacity after 12 month storage |
64% |
| Charge(constant voltage) |
Cycle |
Initial Charging Currentless than 2.10A Voltage14.40-15.00V |
| Float |
Voltage 13.50-13.80V |
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