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12V 250Ah Gel Battery
Model No.: RSG12-250Ah
Rechargeable: Chargeable
Dimension: 520*269*220/228mm
Weight: 70kgs
Warranty: 6 Years
Maintenance: Free
Terminal: Lead/Copper
Negative Plate: Negative Plate
Trademark: Rosen Solar/OEM/ODM
Design Life: 15 Years(Floating Charge)
Sealed Type: Sealed Valve Regulated
Positive Plate: Lead Dioxide
Material: High Pure Lead
Transport Package: Wooden Box/Carton Packing
Container Cover: ABS
Color: Gray/Black/Red
Application: 8507200000
Electrolyte: Fixed
Certification: Rubber
Battery portection: UL/Ce/RoHS/ISO09001/ISO14001/IEC60896/IEC61427
Cycle Life: 5000+ Times
Detail


A valve-regulated lead-acid battery (VRLA battery) sometimes called sealed lead-acid (SLA) or maintenance free battery.

There are three primary types of VRLA batteries, sealed VR wet cell, absorbent glass mat (AGM) and GEL cell. Gel cells add silica dust to the electrolyte, forming a thick putty-like GEL. These are sometimes referred to as "silicone batteries". AGM (absorbent glass mat) batteries feature fiberglass mesh between the battery plates which serves to contain the electrolyte. Both designs offer advantages and disadvantages compared to conventional batteries and sealed VR wet cells, as well as each other.

Due to their construction, the GEL cell and AGM types of VRLA can be mounted in any orientation, and do not require maintenance, which is called "Maintenance Free".   They are widely used in large portable electrical devices, off-grid power systems, hybrid storage systems, and similar roles.

GEL-12V-250AH.jpg

12V 250AH.jpg

Key Features :
♦Rechargeable 12V 250ah Gel Deep Cycle Battery
♦Gelled electrolyte made by mixing sulfuric acid with silica fume
♦The electrolyte is gel like ,immobile and does not leak ,enabling uniform reaction of each part of the plate .
♦High rate discharge performance due to tight assembly technology
♦Strong heat dissipation and wide operating temperature range
♦Avoid acid mist being separated out , environment friendliness
♦Efficient venting system release excessive gas automatically

12V Series GEL Battery Technical Data
1, Function Parameter                     
5, Environment Temperature
Norminal Voltage
12V
Discharge Temperature
-20-60ºC
Norminal Capacity(10 hours rate)
250Ah
Charge Temperature
-10-50ºC
Numbers of Cells
6cell
Storage Temperature
-20-60ºC
2, Rated Capacity at 25ºC(77ºF)   
6, Inner Resistance & Max. Discharge Current
10hr,10.8V/cell,20ºC/68ºF
250Ah
Fully Charge Battery at 25ºC(77ºF)
2mΩ
3hr,10.8V/cell,20ºC/68ºF
191.7Ah
Max. Discharge Current
3750A(5s)
1hr,10.5V/cell,20ºC/68ºF
138.1Ah
Short Circuit Current
12500A
3, Capacity affected by Temperature(10 hour rate)
7, Self-discharge@25ºC(77ºF)   
40ºC(104ºF)
103%
Capacity after 3 Month Storage
91%
25ºC(77ºF)
100%
Capacity after 6 Month Storage
82%
0ºC(32ºF)
85%
Capacity after 9 Month Storage
73%
-15ºC(5ºF)
65%
Capacity after 12 Month Storage
64%
4, Constant Voltage Charging at 25ºC(77ºF)
8, Dimension & Weight
Cycle Charge
14.4V~14.9V
Length
520mm
Maximum Charging Current
62.5A
Width
269mm
Temperature Compensation
-30mV/ºC
Height
220mm
Float Charge
13.6-13.8V
Total Height
228mm
Temperature Compensation
-20mV/ºC
Reference Weight
70kgs

Rosen-12V-250ah-Gel-Battery-for-Solar-Systems.jpg

Rosen-12V-7ah-Gel-Battery-Used-as-Solar-Battery (2).jpg

Applications :
♦Solar and wind energy storage system
♦EPS and UPS battery backup
♦Signal system , emergency lighting system , security system
♦Telecommunication Equipment
♦Power plant and transmission system

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