DJ12-150 (12V 150Ah) – Deep Cycle VRLA Battery
Reliable Power for Industrial and Renewable Applications
The DONGJIN DJ12-150 is a high-performance 12V 150Ah deep cycle sealed lead-acid (VRLA) battery, designed for superior reliability, long life, and maintenance-free operation. Built using Absorbent Glass Mat (AGM) technology, it provides stable power for a wide range of applications, from solar systems and UPS backup to telecom and energy storage solutions.
Key Features
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High Capacity & Long Life: 12V, 150Ah capacity ensures dependable performance and long service life.
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Maintenance-Free Operation: Sealed AGM design eliminates the need for regular topping up.
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High Discharge Efficiency: Delivers strong starting power and excellent recovery from deep discharge.
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Temperature Resistant: Performs reliably in temperatures ranging from -15°C to +50°C.
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Low Self-Discharge: Retains up to 91% of its capacity after 3 months of storage at 25°C.
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Safe & Certified: Recognized by UL and CE, compliant with ISO9001 and ISO14001 standards.
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Rugged Design: Encased in durable ABS material, suitable for demanding environments.
Technical Specifications
| Specification | Details |
|---|---|
| Nominal Voltage | 12V |
| Capacity (25°C) | 150Ah (10HR), 130Ah (5HR), 93Ah (1HR) |
| Dimensions (L×W×H) | 485 × 172 × 240 mm |
| Approx. Weight | 42 kg |
| Terminal Type | T5 / T11 (Copper) |
| Internal Resistance (25°C) | Approx. 3.5mΩ |
| Operating Temperature Range | Discharge: -15°C to 50°C Charge: -10°C to 50°C Storage: -20°C to 50°C |
| Float Charging Voltage (25°C) | 13.5V – 13.8V |
| Cyclic Charging Voltage (25°C) | 14.5V – 14.9V |
| Maximum Charging Current | 45A |
| Maximum Discharge Current | 1200A (5 sec) |
Performance & Reliability
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Temperature Performance:
Maintains 100% capacity at 25°C, 85% at 0°C, and 65% at -15°C. -
Cycle Life:
Up to 1200 cycles at 30% depth of discharge (DOD), providing long-term durability. -
Float Life:
Designed for up to 15 years of service life under optimal temperature conditions. -
Self-Discharge Rate:
Only 9% loss after 3 months at 25°C, ensuring long shelf life.
Applications
The DONGJIN DJ12-150 is suitable for a wide range of industrial, commercial, and renewable energy uses:
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Solar and Wind Energy Systems
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Uninterruptible Power Supplies (UPS)
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Telecommunications Equipment
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Emergency Lighting
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Power Backup for Data Centers
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Marine & RV Power Systems
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Security and Alarm Systems
Why Choose DONGJIN DJ Series Batteries?
DONGJIN has over 30 years of expertise in producing advanced lead-acid batteries. The DJ Series is trusted worldwide for consistency, performance, and durability. Whether for renewable energy storage or backup power, the DJ12-150 provides uninterrupted energy when it matters most.


















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