12v 4ah underwater led lights battery
Negotiable /Piece
Min.Order:500 Pieces
Shenzhen Matrix Battery Co., Ltd.
12v 4ah underwater led battery lights
(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 | |||
Rated Capacity (20 hour rate) | 4 AH | |||
Dimensions (Length*Width*Height*Total Height )/mm | 90*70*101*107 mm | |||
Weight Approx | 1.35 kg | |||
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CHARACTERIESTICS | ||||
Capacity 25°C | 20 Hour rate | 4 AH | ||
| 10 Hour rate | 3.72 AH | ||
| 5 Hour rate | 3.4 AH | ||
| 1 Hour rate | 2.4 AH | ||
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Internal Resistance | Fully charged battery at 25°C | 40 m Ω | ||
Capacity affected by temperature (20 hour rate) | 40°C 25°C 0°C -15°C | 102% 100% 85% 65% | ||
Self-Discharge At 25°C | Capacity after 3 month storage Capacity after 6 month storage Capacity after 12 month storage | 91% 82% 64% | ||
Terminal Type | T1 | |||
Charge (Constant Voltage) | Cycle use | Initial Charging Current less than 1.60 A Voltage 14.5~14.9V | ||
| Float use | Voltage 13.6~13.8V |
ISO CE