• Accumulator Sealed Lead Acid Battery 12V 28ah (SR28-12)
  • Accumulator Sealed Lead Acid Battery 12V 28ah (SR28-12)
  • Accumulator Sealed Lead Acid Battery 12V 28ah (SR28-12)
  • Accumulator Sealed Lead Acid Battery 12V 28ah (SR28-12)
  • Accumulator Sealed Lead Acid Battery 12V 28ah (SR28-12)

Accumulator Sealed Lead Acid Battery 12V 28ah (SR28-12)

Type: Lead-Acid Batteries
Usage: UPS, Electric Power, Lighting
Nominal Voltage: 12V
Discharge Rate: Low Discharge Rate
Shape: Rectangle
Electrolyte: Acid
Samples:
US$ 28/Piece 1 Piece(Min.Order)
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Basic Info.

Model NO.
SR28-12
Rechargeable
Chargeable
Size
175*166*125mm
Weight
8.00kg
Color
Black / Dark Gray
Cell
6
Sealing
Glue Sealing
Plate
Flat Plate
Separator
AGM
Battery Case
ABS
Terminal Type
Lead
Safety
Explosion-Proof
Transport Package
Carton/ Wooden Case/ Pallet
Specification
CE/ IEC
Trademark
PUSTUN
Origin
China
HS Code
8507200000
Production Capacity
600 PCS/Day

Product Description

Accumulator Sealed Lead Acid Battery 12V 28ah
(SR28-12)


Valve regulated lead acid series UPS batteries are designed with AGM (Absorbent Glass Mat) technology, high performance plates and electrolyte to gain extra power output for common power backup system applications widely used in the field of UPS, Emergency Lighting System.

Battery Structure
1. Container/Cover: Made of UL94HB and LU 94V-0 ABS Plastic
2. Negative Plates: Use the special PbCa alloy grids, optimize the recombination efficiency and less gassing.
3. Separator: Import high quality AGM separator.
4. Postive Plates: PbCa grids minimize corrosion and prolong life.
5. Terminal post: Cooper material with maximum conductivity, enhance the high current rapidly.
6. Vent Valve: Allows the release of excess gas automatically for safety.

Application
UPS, solar systems, control systems, power systems, wind energy systems, telecommunication/communication systems & etc.
Accumulator Sealed Lead Acid Battery 12V 28ah (SR28-12)

Production Progress
Accumulator Sealed Lead Acid Battery 12V 28ah (SR28-12)

Characteristics 

1. Excellent safety performance.
2. Good dischargeing performance.
3. Good stock-proof performance.
4. Good impact-proof performance
5. Good resistance to overdischarge.
6. Good resistance to overcharge.
7. Good resistance to high current.


Data Sheet
Capacity                                                                    77° F(25º C) 20 hours rate(1.4A 10.5V) 28.0Ah
10 hours rate(2.7A 10.5V) 27.0Ah
5 hours rate(4.8A 10.5V) 24.0Ah
1 hour rate(20.5A 9.6V) 20.5Ah
Internal Resistance Full charged battery 77° F(25º C): 8mΩ
Capacity affected by Temperature                              (20 hour rate) 104° F(40º C) 102%
77° F(25º C) 100%
32° F(10º C) 85%
5° F(-15º C) 65%
Self-Discharge                        68° F(20º C) Capacity after 3 month storage 90%
Capacity after 6 month storage 80%
Capacity after 12 month storage 60%
Max discharge current77° F(25º C): 300A(5S)
Charge                                                    (Constant Voltage) Float: 13.6 to 13.8V/77° F/(25º C)
Cycle: 14.5 to 14.9V/77° F/(25º C)
Max Current: 7A

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