LED Maintenance free lead acid battery 4v2ah
USD $1.6 - $3 /Piece
Min.Order:500 Pieces
Zhengzhou Kanglida Electronic Power Co., Ltd.
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Zhengzhou Kanglida Electronic Power Co., Ltd
1.15 years manufacturing lead acid exide 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.
Features:
1. Maintenance-free operation
2. Stable quality and high reliability
3. Compact design
4. inner battery formation, top quality inner circuit board
5. fresh lead board , long use life and low pollution
6. quality check with auto machine,can test inner problem , to ensure all goods quality
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 stable quality safe use.
9.fresh lead board , long use life and low pollution
Application
1.UPS
2.Emergency lighting systems
3.Alarm and security system
4.Fire alarm and security system
5.Telecommunication system
6.Backup power for testing and measuring instruments
7.Communication power supply
8.Auto control system
9.Electronic apparatus and equipment
10.DC power supply
battery characteristic | ||||
Nominal voltage | 4V | |||
Nominal capacity(20h rate) | 2Ah | |||
Size | Total height | 80mm | ||
length | 45mm | |||
width | 33mm | |||
height | 74mm | |||
Weight | 0.235kg | |||
Rated capacity 25°C(77°F) | 20 hour rate(0.065A) | 2.00Ah | ||
10 hour rate(0.12A) | 1.80Ah | |||
5 hour rate(0.22A) | 1.70Ah | |||
1 hour rate(0.78A) | 1.20Ah | |||
Internal resistance | in full charge status 25°C(77°F) | 37mΩ | ||
Capacity at different temperature(10h) | 40°C(104°F) | 102% | ||
25°C(77°F) | 100% | |||
0°C(32°F) | 80% | |||
-15°C(5°F) | 50% | |||
Self discharge 25°C(77°F) | capacity after 3 months | 75% | ||
capacity after 6 months | 65% | |||
capacity after 12 months | 55% | |||
Mode of charge (constant voltage) 25°C(77°F) | cycle-use | initial charging current less than0.6A , voltage4.80-5.00V | ||
float-use | Standby use: voltage4.50-4.60V |
CE&UL Ceritificate
Production process diagram
Note:
Thanks for your attention, Any questions or requests,please do feel free to contact us.
Tel:18625500662 Skypr: kanglidabattery