12V 120ah Lead Acid Gel Battery
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Product Highlights
- 15-Year Design Life: Designed for 15 years of service under floating charge conditions.
- Maintenance Free Operation: Sealed valve-regulated design requires no water addition or maintenance.
- High Discharge Performance: Capable of 1800A high rate discharge with tight assembly technology.
- Leak-Proof Gel Electrolyte: Silica-based gel prevents leakage and allows any mounting orientation.
- Multiple Certifications: Certified by UL, CE, RoHS, ISO9001, ISO14001, and IEC standards.
- Customizable Colors: Available in Gray, Black, and Red color options.
- Fast Lead Time: Production and delivery completed within 15 workdays for all seasons.
Product Attributes
- Customization
- Available
- Type
- Gel Batteries
- Usage
- Car, Bus, UPS, Electric Power, Lighting, Electric Bicycle, Boat, Solar/Wind Energy System, Telecom
- Model NO.
- RSG12-120
- Nominal Voltage
- 12V
- Discharge Rate
- High Discharge Rate
- Shape
- Square Battery
- Electrolyte
- Sulfuric Acid Thixotropic Gelled
- Installation
- Fixed
- Rechargeable
- Chargeable
- Design Life
- 15 Years (Floating Charge)
- Dimension
- 406*173*237/237mm
- Sealed Type
- Sealed Valve Regulated
- Weight
- 36kg
- Material
- High Pure Lead
- Maintenance Type
- Free
- Color
- Gray/Black/ Red
- Terminal
- Lead/Copper
- Positive Plate
- Lead Dioxide
- Negative Plate
- Negative Plate
- Container and Cover
- ABS
- Safety Valve
- Rubber
- Certificate
- UL/Ce/RoHS/ISO9001/ISO14001/IEC60896/IEC61427
- Transport Package
- Wooden Box / Carton Packing
- Specification
- 12V 120AH GEL Battery
- Trademark
- Rosen Solar/OEM/ODM
- Origin
- China
- HS Code
- 8507200000
- Production Capacity
- 5000 Pieces Per Week
Product Images of 12V 120ah Lead Acid Gel Battery
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Product Description
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.
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.
Battery Tag: rechargeable battery, recharge battery, batteries battery, storage battery, solar battery, 12v battery, deep cycle battery, laptop battery, battery solar.
Technical Specification, Installation Manual, Quotation List: +86 181 5644 8850(Tel/ )

Key Features :
♦Rechargeable 12V 120ah 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
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1, Function Parameter
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5, Environment Temperature
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||
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Norminal Voltage
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12V
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Discharge Temperature
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-20-60ºC
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Norminal Capacity(10 hours rate)
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120Ah
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Charge Temperature
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-10-50ºC
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Numbers of Cells
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6cell
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Storage Temperature
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-20-60ºC
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2, Rated Capacity at 25ºC(77ºF)
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6, Inner Resistance & Max. Discharge Current
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||
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10hr,10.8V/cell,20ºC/68ºF
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120Ah
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Fully Charge Battery at 25ºC(77ºF)
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4mΩ
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3hr,10.8V/cell,20ºC/68ºF
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92.1Ah
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Max. Discharge Current
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1800A(5s)
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1hr,10.5V/cell,20ºC/68ºF
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66.3Ah
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Short Circuit Current
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6000A
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3, Capacity affected by Temperature(10 hour rate)
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7, Self-discharge@25ºC(77ºF)
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40ºC(104ºF)
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103%
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Capacity after 3 Month Storage
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91%
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25ºC(77ºF)
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100%
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Capacity after 6 Month Storage
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82%
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0ºC(32ºF)
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85%
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Capacity after 9 Month Storage
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73%
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-15ºC(5ºF)
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65%
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Capacity after 12 Month Storage
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64%
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4, Constant Voltage Charging at 25ºC(77ºF)
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8, Dimension & Weight
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||
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Cycle Charge
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14.4V~14.9V
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Length
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406mm
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Maximum Charging Current
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30A
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Width
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173mm
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Temperature Compensation
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-30mV/ºC
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Height
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237mm
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Float Charge
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13.6-13.8V
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Total Height
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237mm
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Temperature Compensation
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-20mV/ºC
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Reference Weight
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36kgs
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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
Internal Structure of Lead-Acid Battery
♦ Our battery factory Founded in 2008 , 2million batteries annual production capacity
♦ Products including valve regulated lead acid battery , Gel battery , deep cycle battery, OPzV
and OPzS battery
♦ Products are exported to more than 100 countries
♦ Products are certified by CE, UL, Rohs
♦ Mature and very well respected AGM and GEL technologies for valve-regulated lead-acid
batteries ranging from 2Ah to 3000Ah
Packing & Delivery of Our Battery
Our Battery Factory
Our Projects
![]() Rosen Solar Energy Co., Ltd. Gary Bao(Overseas Sales Manager) TEL: +86 18156448850 |
![]() |
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2391673". Items marked "" are certified.
Company Profile
Rosen Solar Group is an international high-tech and growing group company, specializing in R&D, which manufactures solar panels, Li/Gel/AGM batteries, solar pumps, solar inverters, controllers and PV power generation systems.
Our Solar panel factory covers 100, 000 Square Meters, has more than 500 employees. With an emphasis on management, research and development, Rosen Solar continuously manufactures leading-edge products. The modules range from 5W~500Wand are approved by TUV, UL, CE, IEC61215, IEC61730, CSA, CEC, JET.
Our Battery factory covers 145, 000 Square Meters, has more than 1360 employees. Batteries include Lithium Battery, 2V&12V VRLA AGM type, VRLA GEL type, OPzS and OPzV type which can be applied in Solar Power Plant Storage, Wind Energy Storage, Telecommunications, UPS, Fire Alarm System, Emergency Lighting, etc.
Our Solar Inverter, controller and pump factory covers 9, 000 Square Meters, has more than 650 employees. The inverters made by Rosen Solar include on-grid, off-grid and hybrid types, Controllers include PWM, and MPPT types, and pumps with DC and AC submersible and surfacce types. All types of inverters and controllers are approved by CE, UL.
We are professional manufacturer of solar systems, providing complete solar programs of off-grid, on-grid/grid-tie and hybrid power storage systems for partners around the world. Together with our products advantage, we can design professional PV system solutions, produce reliable system products and provide satisfying after sale service. With professional system engineer teams and EPC installer teams, we provide professional, reliable and trustful system solutions for you.
With advanced hi-tech and equipment, Rosen solar has now all automatic production line and strictly controls raw material inspection, production procedure and finished product inspection. All products have passed the German TUV IEC, UL(US), JET(Japan), CSA(Canada), CEC(Australia) and CE certificates. By it's high quality and well-deserved reputation, Rosen Solar's solar panel, batteries pumps, and PV systems are delivered into more than 100countries.
Rosen will research and develop more advanced and hi-tech products with global partners by the world energy industry, to light up every corner of the world.
About Our Factory & Business Background
- Address
- Bldg. B, Jiaqiao International, Zhenxing Road, Shushan District, China (Mainland), Hefei, Anhui, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- Ningbo Port, Shanghai Port, Shenzhen Port
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2008-01-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the design life of this battery?
- The battery has a design life of 15 years under floating charge conditions.
- Is this battery maintenance-free?
- Yes, it is a sealed valve-regulated lead-acid battery that requires no maintenance.
- Can the battery be mounted in any orientation?
- Yes, the gel electrolyte prevents leakage, allowing installation in any orientation.
- What is the maximum discharge current?
- The battery supports a maximum discharge current of 1800A for 5 seconds.
- What colors are available for this battery?
- The battery is available in Gray, Black, and Red color options.
- What is the lead time for production?
- The lead time is within 15 workdays for both peak and off-peak seasons.
- What certifications does the product have?
- It is certified by UL, CE, RoHS, ISO9001, ISO14001, and IEC60896/IEC61427.
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