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Help CenterLead Acid Sealed Storage Battery 12V 4Ah
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lead acid Sealed Storage Battery 12V 4Ah
(12 volt 4ampere) is sealed VRLA battery design for communication system, UPS/EPS, Amy force and so on.
Battery feature:
Nominal voltage: 12V
Nominal capacity: 4Ah (20 hours rate)
Long service lifespan: 3 to 5 years
Low self-discharge: lower than 3% of rated capacity per month under normal operating
temperature
ABS case (can be made with flame retardant V0)
No memory effect after repetitious usage or discharges
Maintenance-free operation
Sealed construction and leakproof
Safety valve regulated system
Operating in any position
Deep discharge recovery
Wide operating temperature range
Warnings:
- Matrix series batteries have acid in the case and are fully charged before leaving factory. Do not attempt to dismantle the battery, if accidental skin/eye contact is made with electrolyte, seek medical advice immediately.
- Do not use a new battery with an old one.
- Do not use the battery in sealed container.
- Each battery should have detailed record including the ex-factory date, installing date and using record.
- Check the connection of wire in a fixed interval (once a year). If there is any looseness should tighten the wire.
- Wipe the surface of the battery with soft cloth in a fixed interval (once three months) and always keep the battery
clean.
- Avoid using any kind of organic solvents for cleaning the surface of the battery.
Applications:
- Fire protection and security uninterruptible power supply
- Electronic appliance and other backup power supply
- Telephone and telecommunication equipment
- Uninterruptible power supply systems for bank
- Emergency lighting or small lamp fitting
- Electric power system
- Security system
SPECIFICATIONS | ||||
Nominal Voltage |
12 V |
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Rated Capacity (20 hour rate) |
4 AH |
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|
Dimensions (Length*Width*Height*Total Height )/mm |
90*70*101*107 mm |
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Weight Approx |
1.35 kg |
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CHARACTERIESTICS | ||||
|
Capacity 25°C |
20 Hour rate |
4 AH |
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|
10 Hour rate |
3.72 AH |
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|
5 Hour rate |
3.4 AH |
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|
1 Hour rate |
2.4 AH |
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|
|
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Internal Resistance |
Fully charged battery at 25°C |
40 m Ω |
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|
Capacity affected by temperature (20 hour rate) |
40°C 25°C 0°C -15°C |
102% 100% 85% 65% |
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|
Self-Discharge At 25°C |
Capacity after 3 month storage Capacity after 6 month storage Capacity after 12 month storage |
91% 82% 64% |
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Terminal Type |
T1 |
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|
Charge (Constant Voltage) |
Cycle use |
Initial Charging Current less than 1.60 A Voltage 14.5~14.9V |
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|
Float use |
Voltage 13.6~13.8V |
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ISO CE
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