12V 250ah Lead-Gel Battery for UPS Solar System Emergency Power Supply Telecommunications
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Product Highlights
- Maintenance-Free Operation: Sealed lead-acid design requiring no water addition or regular maintenance.
- High Capacity 250Ah: Provides 250Ah capacity at 10-hour rate for extended power supply needs.
- Flame Retardant Case: ABS container material with Flame Retardant V0 rating for enhanced safety.
- Low Self-Discharge Rate: Can be stored for up to 6 months without significant capacity loss.
- Versatile Applications: Suitable for UPS, solar systems, telecommunications, and electric vehicles.
- ISO Certified Quality: Manufactured under ISO9001 and ISO14001 standards with CE and IEC approvals.
Product Attributes
- Customization
- Available
- Type
- Lead-Acid Batteries
- Usage
- Car, Bus, UPS, Electric Power, Lighting, Electric Bicycle, Boat
- Model NO.
- MLG12-120
- Nominal Voltage
- 12V
- Discharge Rate
- Low Discharge Rate
- Shape
- Flat Battery
- Electrolyte
- Acid
- Installation
- Packaged
- Rechargeable
- Chargeable
- Color
- Grey
- Size
- 520*269*220mm
- Weight
- 71.2kg
- Nominal Capacity
- 250ah
- Terminal
- T5 or F7
- Container Material
- ABS
- Max. Discharge Current
- 2500(5s)
- Internal Resistance
- Approx 2.4mΩ
- Cycle Use
- Initial Charging Current Less Than 75A
- Self Dicharge
- Store for up to 6 Months
- Transport Package
- Carton+Pallet
- Specification
- ISO9001, ISO14001, CE,
- Trademark
- Sunstone Power
- Origin
- Shenzhen, China
- HS Code
- 85072000
- Production Capacity
- 100000000 Piece/Pieces /Month
- Package Size
- 522.00cm * 269.00cm * 220.00cm
- Package Gross Weight
- 74.000kg
- Lead Time
-
7 days (1 - 1 Pieces)
To be negotiated ( > 1 Pieces)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 12V 250ah Lead-Gel Battery for UPS Solar System Emergency Power Supply Telecommunications
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Product Description
Rechargeable Battery Sealed Lead Acid Battery Sunstone Brand 12V 250ah Solar Battery
| Nominal Voltage | 12V (6 cells) | Operating Temp.Range | Discharge: -15-50°C (5-122°F) | ||||||||
| Nominal Capacity | 260AH (20hr, 1.80V/cell, 25°C/77°F) | Charge:0-40°C (32-104°F) | |||||||||
| 250AH (10hr, 1.80V/cell, 25°C/77°F) | Storage: -15-40°C (5-104°F) | ||||||||||
| 213AH (5hr, 1.75V/cell, 25°C/77°F) | Nominal Operating Temp.Range | 25 ± 3°C ( 77 ± 5°F) | |||||||||
| 150AH (1hr, 1.60V/cell, 25°C/77°F) | Cycle Use | 14.4~14.8V (25°C/77°F) Temp.Coefficient -30mV/°C | |||||||||
| Dimension | Length 522 ± 2mm | Initial Charging Current Less than 75A | |||||||||
| Width 269 ± 2mm | Standby Use | 13.5~13.8V (25°C/77°F) Temp.Coefficient -20mV/°C | |||||||||
| Container Height 220 ± 2mm | No limit on Initial Charging Current | ||||||||||
| Total Height(with Terminal) 225 ± 2mm | Capacity affected by Temperature |
40°C (104°F) 103% | |||||||||
| Approx Weight | Approx 71.0Kg | 25°C (77°F) 100% | |||||||||
| Terminal | T5 or F7 | 0°C (32°F) 86% | |||||||||
| Container Material | ABS | Self Discharge | MLG series batteries may be stored for up to 6 months | ||||||||
| Max. Discharge Current | 2500A (5S) | At 25°C (77°F) and then a freshening charge is required. | |||||||||
| Internal Resistance | Approx 2.4mΩ | For higher temperatures, the time interval will be shorter. | |||||||||
| Maintenance-free operation |
| Compact design |
| ABS case, Flame Retardant V0 is available |
| Stable quality and high reliability |
| 10 years design life (at 25°C) |

Sunstone Power Group Headquarters: Solid Power Industrial (Shenzhen) Co., Ltd. Has 20 years of experience producing and selling battery products.
Established in 2003, the company has grown into an enterprise group that consists of two factories in China: A lead-acid battery production factory in Yichun City,
Jiangxi P. R, and a lithium battery production factory in Dongguan City, Guangdong P. R.;
Two overseas companies are also established: Sunstone Power Industrial GmbH in Germany, and PT. Solid Power Energi in Indonesia.
Sunstone Power Group supplies high-quality batteries and other energy products to worldwide customers located in more than 100 countries.
Furthermore, our German and Indonesian companies have their own office/warehouse which always keeps stocks to provide fast logistics and service to local clients.
Moreover, In Germany, we also supply the whole solution for home use solar systems, camper van solar systems, etc.
Besides our own overseas companies, we also built exclusive distributors in Malaysia, Yemen, Iraq, Mauritania, South Africa, Russia, Venezuela Honduras,
and Costa Rica.

Partners :

Payment
1. Pay through T/T, western union, PayPal…
2. Price term: FOB Shenzhen port, CFR, CIF.
3. The customer is responsible for any tax or bank charges by their countries.
Packaging & Shipping
1. By sea, by air shipping, by car or train, other good shipping ways also welcomed.
2. We will send products in 30- 35 days after the bank receipt.
3. A tracking number and photos of products will send by email after arrange shipped.
Notice
1. Don't near the hot source and don't under the sunshine.
2. Don't charge in the sealed container.
3. No short circuit. It should be the additional charge if you don't use, and a single charge per three months, to avoid
irreversible sulfating. The battery should be changed when the battery jar is broken or the electrolyte omitted, to avoid acid
corrosion.
4. Don't store in the space of acid gas.
5. You should be careful and regular check when using the battery. To avoid the battery don't work. You should change the battery
if the capacity is not full or has been damaged, especially after one year using.
6. Don't put the battery in the fire, or it will explode.
7. Please use cotton cloth to clean, if the battery is broken down and leak electrolyte. Please wash your skin when touch the
electrolyte.
8. Don't clean the battery by using the organic solution. (e.g. petrol)
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR252341". Items marked "" are certified.
Company Profile
Sunstone Power Group Headquarters: Solid Power Industrial (Shenzhen) Co., Ltd. Has 20 years of experience producing and selling battery products. Established in 2003, the company has grown into an enterprise group that consists of two factories in China: A lead-acid battery production factory in Yichun City, Jiangxi P. R, and a lithium battery production factory in Dongguan City, Guangdong P. R.; Two overseas companies are also established: Sunstone Power Industrial GmbH in Germany and PT. Solid Power Energi in Indonesia.
Sunstone Power Group supplies high-quality batteries and other energy products to worldwide customers located in more than 100 countries. Furthermore, our German and Indonesian companies have their own office/warehouse, which always keeps stock to provide fast logistics and service to local clients. Moreover, in Germany, we also supply the whole solution for home-use solar systems, camper van solar systems, etc. Besides our own overseas companies, we also built exclusive distributors in Malaysia, Yemen, Iraq, Mauritania, South Africa, Russia, Venezuela, Honduras, and Costa Rica.
About Our Factory & Business Background
- Address
- Room 1803a, Building B, Tiley Fame City, Haide 3rd Avenue, Nanshan District, Shenzhen, Guangdong, 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, CIP, CPT, Others, FCA
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month - Nearest Port
- Shenzhen,Guangdong
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2002-01-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- How long is the delivery time?
- Products are shipped within 30-35 days after bank receipt.
- What payment methods are accepted?
- We accept T/T, Western Union, PayPal, LC, D/P, and Money Gram.
- Can the battery be stored for a long time?
- Yes, the MLG series batteries may be stored for up to 6 months.
- What are the shipping options?
- We offer shipping by sea, air, car, or train.
- How should the battery be maintained during storage?
- If not used, it requires an additional charge and a single charge every three months to avoid irreversible sulfating.
- What certifications does the product have?
- The product is ISO9001 and ISO14001 approved, with CE, IEC, VDS, and RISTI certificates.
- What is the maximum discharge current?
- The maximum discharge current is 2500A for 5 seconds.
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