NP4-12(12V 4Ah) Lead Acid rechargeable battery/ CCTV Camera battery/ energy battery/ UPS battery/Sla Battery/Lead Acid Storage Battery from china supplier,
12v 4ah Emergency Light Back-up Battery
Key Specifications
Sealed and maintenance free operation
Non-spillable construction design
ABS containers and covers (UL94HB, UL94V-0) optional
Safety valve installation for explosion proof
Good-quality and high reliability
Exceptional deep discharge recovery performance
Low self discharge characteristic
Flexibility design for multiple install positions
For more details, please do not hesitate to mail us.
Applications(sealed lead acid battery):
Data Centre (High Rate UPS)
Telecommunication
Banks & Financial Centre
Hospital& Testing Laboratories
Power Generation Plants
Emergency Lighting
Emergency Power Supply
High Power Backup Supply
LED Light
VAN
Wheel chairs
Security system"Alarm system" "CCTV"
"Video" Camera""Loudspeaker"
Marine
Wheel Chair
|
Capacity 25°C(77°F) |
20 hour rate(0.20A, 10.50V) |
4.00AH |
|
10 hour rate(0.38A, 10.50V) |
3.80AH |
|
5 hour rate(0.68A, 10.50V) |
3.40AH |
|
1 hour rate(2.51A, 9.60V) |
2.51AH |
|
Internal Resistance |
Full charged Battery at 25 °C (77°F) |
45mΩ |
|
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 1.20A |
|
|
|
Voltage14.40-15.0 V |
|
Float |
Voltage 13.50-13.80V |
E-Stars Int'l Tech. Co., Limited is a leading manufacture of AC/DC switching adapter, switching power supply, AC/DC adaptor, Linear adaptor, transformer, DC/DC Converter, Battery and Charger for many world renowned OEM's, we deliver technology leadership, global operation excellence and outstanding customer support. Our products are used in a wide spectrum of application such as desktop PC, Mobile phones and other telecom equipment, Internet Appliance Server, NAS/SAN, Network and Telecommunication Instrumentations...
Our strength is to be responsible to meet customer needs and reduce total ownership cost. As our business commitment, we offer an unparalleled level of service and technical support.
E-Stars Power with more than 15 years of experience, ISO 9001 & ISO 14001 certified facility and professional quality control system, Our products have obtained many certification for UL+cUL, CSA, TUV-GS, VDE, FIMKO, DEMKO, NEMKO, SEMKO FCC (DOC), SAA, C-Tick, CB, CE, EK, E-MARK, PSE, BSMI and etc. We always deliver the highest quality products in the industry, excellence in quality & reliability is our ultimate goal.
