12V 300Ah AGM deep cycle battery bank (6 x 2V batteries) for large power systems and energy storage
12V 300Ah AGM deep cycle battery bank (6 x 2V batteries) for large power systems and energy storage
SKU:AGM300AH-6SET
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12V 300Ah AGM Deep Cycle Battery Bank
6 x 2V Batteries | For Large Power Systems & Energy Storage
The Photonic Universe 12V 300Ah AGM Deep Cycle Battery Bank (SKU: AGM300AH-6SET) offers a robust and reliable energy storage solution for demanding applications. This bank is uniquely configured with six individual 2V AGM batteries connected in series, providing significant advantages over traditional 12V battery setups. Designed for longevity and deep discharge capability, it's an ideal choice for various off-grid and backup power systems.
AGM (Absorbed Glass Mat) technology ensures a maintenance-free experience, eliminating the need for electrolyte top-ups. These batteries are completely sealed and non-spillable, offering enhanced safety and flexibility in installation. With a low self-discharge rate and high resilience to shock and vibration, this battery bank is built for consistent, long-term performance in challenging environments.
SYSTEM ADVANTAGE: Enhanced Longevity and Deeper Discharge from 2V Cell Design
Key Features
| ▶ 2V Cell Configuration — Superior longevity and balanced charging cycles. |
| ▶ Deep Cycle Design — Optimised for repeated discharge and recharge cycles. |
| ▶ AGM Technology — Maintenance-free, spill-proof, and highly safe operation. |
| ▶ High Capacity 300Ah (12V) — Reliable energy storage for demanding applications. |
| ▶ Robust Construction — Excellent resistance to shock and vibration. |
| ▶ Wide Operating Temperature — Reliable performance across various environmental conditions. |
Technical Specifications
| Parameter | Value |
|---|---|
| Nominal Voltage (Bank) | 12V |
| Nominal Capacity (Bank) | 300Ah (10hr) / 3.6kWh |
| Nominal Voltage (per cell) | 2V |
| Nominal Capacity (per cell) | 300Ah (10hr) / 330Ah (20hr) |
| Max Charging Current | 60A |
| Cycle Lifetime (30% DOD) | 1000 cycles |
| Charging Voltage (Cycle Use) | 14.1V |
| Charging Voltage (Standby Use) | 13.7V |
| Terminal Type (per cell) | F18/F31, M10 bolts |
| Operating Temperature | -10°C to +40°C |
| Dimensions (per cell, incl. terminals) | 171 x 151 x 365 mm |
| Dimensions (Bank) | 911 x 171 x 365 mm |
| Weight (Bank) | 102 kg |
Battery System Configuration & Benefits
This 12V 300Ah battery bank is composed of six individual 2V AGM batteries connected in series. This configuration offers significant advantages over battery banks made from multiple 12V batteries:
| Benefit | Description |
|---|---|
| Improved Longevity | Connecting exclusively in series ensures each 2V battery is charged and discharged at an even rate, leading to more stable and balanced cycles and a considerably longer service life. |
| Deeper Discharge Capability | The thicker metal plates within these 2V batteries allow for a greater depth of discharge compared to typical 12V batteries, maximising usable energy. |
| Enhanced Reliability | The robust construction and balanced operation contribute to a highly reliable power supply, crucial for critical energy systems. |
Typical Applications
| Application | Description |
|---|---|
| Motorhomes, Caravans & Boats | Providing reliable and sustained power for mobile leisure vehicles. |
| Solar, Wind & Hybrid Systems | Efficient energy storage for renewable energy installations. |
| Household Off-Grid Power Systems | Stable and consistent power supply for remote homes or cabins. |
| Emergency or Back-up UPS Systems | Ensuring continuous power for critical equipment during outages. |
| Telecommunications & Networking | Consistent energy storage for essential communication infrastructure. |
Built-In Protection Functions
The Photonic Universe AGM battery bank incorporates several safety features for reliable operation: • Each 2V battery includes a safety valve for pressure control. • The AGM design ensures a non-spillable and completely sealed unit. • Terminals are supplied with protective covering for enhanced safety during installation and use.
Common Questions
What are the advantages of a 2V battery bank over 12V batteries?
A 2V battery bank connected in series offers significantly improved longevity due to more even charging and discharging across cells. It also typically allows for a deeper depth of discharge thanks to thicker internal plates, maximising usable energy.
Is this battery bank maintenance-free?
Yes, as an Absorbed Glass Mat (AGM) battery, it is completely sealed and requires no liquid or electrolyte top-ups throughout its service life, making it maintenance-free.
What kind of charging equipment is needed for this 12V 300Ah battery bank?
You will need a compatible 12V deep cycle battery charger or a solar charge controller that supports AGM battery charging profiles. Ensure the charger can handle a maximum charging current of 60A and provides the correct charging voltages (e.g., 14.1V for cycle use, 13.7V for standby use).
How are the 2V batteries connected to form a 12V bank?
The six 2V batteries are connected in series using the supplied metal plate connectors. This links the positive terminal of one battery to the negative terminal of the next, summing their voltages to achieve a total nominal voltage of 12V.
Installation Notes
- Ensure adequate ventilation around the battery bank.
- Connect the six 2V batteries in series using the provided metal plate connectors.
- Use appropriate gauge cabling and fusing for your system's current requirements.
- Consult the detailed user manual for specific connection, operation, and installation instructions.
- For complex systems, consider consulting a qualified electrician or solar installer.
Before You Buy
- Verify your system requires a 12V nominal voltage and 300Ah capacity.
- Check the physical dimensions (911 x 171 x 365 mm) and total weight (102 kg) to ensure adequate installation space and structural support.
- Confirm your existing or planned charger/inverter is compatible with AGM battery types and their specific charging parameters.
- Consider your average daily energy consumption to ensure the 3.6kWh capacity meets your needs.
- Review the user manual for detailed technical specifications and compatibility requirements.
Always verify product specifications and compatibility with your existing system components before purchase. This product is covered by a 1-year warranty. Consult the user manual for detailed installation and operation guidelines.
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This 12V 300Ah AGM deep cycle battery bank is a solid choice for large power systems and energy storage. The practical feature of having 6 x 2V batteries allows for flexibility in configuring the bank to meet specific power needs. The rating is 4 stars instead of 5 because the batteries are quite heavy and may be difficult to maneuver during installation.