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Help CenterKLD Deep Cycle Rechargeable Lead Acid GEL Battery 12v4ah for Building Intercom
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Specifications
1.Low self-discharge and easy storage2.Maintenance-free operation
3.15 years design time
4.Good after-sale service
Zhengzhou Kanglida Electronic Power Co., Ltd
1.Since 2005,Top 10 manufacturer of lead acid storage battery in China;
2.Recorded by China Public Security and China Security Yearbook;
3.Qualified Supplier recommended to national security enterprise ;
4.CE and UL Certificated.
Products Advantages
1.The battery is full of power when it’s out of factory, no need to use liquid charge;
2.no memory, no need to discharge battery use, suitable for circuit design;
3.by high partition, adsorption and strong;
4.there is no flowing liquid (poor liquid), does not leak acid and free Upside down,
ply with environmental requirements, ease of use,
6.the use of lead-calcium alloys, battery self-discharge is very low,
7.easy storage, less maintenance;
8.using ABS plastic shell and valve technology for safe use.
Products Applications
Maintenance free storage battery 12v4ah can be used in building interphone, fire alarm system and so on.
battery characteristic | ||||
Nominal voltage |
12V |
|||
Nominal capacity(20h rate) |
4Ah |
|||
Size |
Total height |
105mm |
||
length |
90mm |
|||
width |
70mm |
|||
height |
101mm |
|||
Weight |
1.25kg |
|||
Rated capacity 25°C(77°F) |
20 hour rate(0.20A) |
4.0Ah |
||
10 hour rate(0.4A) |
3.2Ah |
|||
5 hour rate(0.70A) |
3.0Ah |
|||
1 hour rate(2.5A) |
2.7Ah |
|||
Internal resistance |
in full charge status 25°C(77°F) |
35mΩ |
||
Capacity at different temperature(10h) |
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 months |
91% |
||
capacity after 6 months |
82% |
|||
capacity after 12 months |
64% |
|||
Mode of charge (constant voltage) 25°C(77°F) |
cycle-use |
initial charging current less than1.80A , voltage14.10-14.40V |
||
float-use |
Initial charging current less than 0.68A voltage13.5-13.80V |
|||
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.
- Don’t clean the battery by using the organic solution. (e.g. petrol)
CE & UL Certificate
Product Test
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