Description
250Ah 12V Deep Cycle Solar Backup Battery: The Ultimate Energy Reservoir
Take your energy independence to the next level with the 250Ah 12V Deep Cycle Solar Backup Battery. As one of the largest 12V monoblock batteries available, the 250Ah model is the premier choice for high-demand users who require maximum runtime and reliability. Whether you are powering a large “Nyumbani” (home), a rural health clinic, or a commercial telecommunications site, this battery provides the massive storage capacity needed to bridge the gap through long nights and cloudy days.
Built with Advanced Deep Cycle Technology, this 250Ah unit is engineered for heavy-duty discharge and recharge cycles. It offers significantly more “usable” energy than standard 100Ah or 200Ah batteries, making it the perfect foundation for a robust off-grid or hybrid solar system.
Why the 250Ah Solar Backup Battery is a Game-Changer
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Colossal 3.0kWh Energy Capacity: With a 250 Amp-Hour rating, this battery stores a staggering 3,000 Watt-hours (3 units) of electricity. It is designed to handle the simultaneous loads of modern living, from refrigerators and TVs to water pumps and security systems.
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Superior Cycle Life: Specifically optimized for cyclic use, premium 250Ah gel/tubular variants offer 1,200 to 1,500 cycles at 50% Depth of Discharge (DOD). This longevity ensures that your investment provides a reliable return for 5 to 10 years under proper management.
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Maintenance-Free (VRLA/Gel) Design: Most 250Ah solar batteries utilize a sealed, valve-regulated design. This means zero water topping, zero acid fumes, and zero leaks, allowing for safe installation in almost any indoor environment.
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Ultra-Low Self-Discharge: High-purity lead-calcium grids ensure the battery loses less than 2-3% of its charge per month, keeping your backup power ready for action even after long periods of inactivity.
Technical Specifications & Performance
| Feature | Specification |
| Nominal Voltage | 12V |
| Capacity (C10/C20) | 250 Amp-Hours (Ah) |
| Total Energy Storage | Approx. 3.0kWh |
| Technology | Deep Cycle Gel / Sealed Maintenance Free |
| Max Discharge Current | Up to 2500A (5 Seconds) |
| Operating Temp Range | -20°C to 60°C (Tropicalized) |
| Dimensions (Approx) | 522mm (L) x 269mm (W) x 225mm (H) |
| Weight | Approx. 65kg – 72kg (Heavy-duty lead content) |
Product Highlights
1. Tropicalized for Maximum Performance
High temperatures are the primary enemy of battery life. Our 250Ah backup battery is fully tropicalized, featuring an improved electrolyte formula and a thermal-stable casing. This ensures the battery thrives in the heat of Mombasa or the northern plains without the “swelling” common in standard units.
2. Exceptional Deep Discharge Recovery
Standard batteries often fail if drained too far. The 250Ah deep-cycle design features thicker, heavier plates that allow for superior recovery characteristics. Even if your system accidentally hits a low-voltage cutoff, this battery is built to bounce back to full capacity when recharged.
3. High-Surge Performance
Don’t let motor-driven appliances trip your system. The 250Ah capacity provides massive peak current, easily handling the “startup kick” required by deep freezers, borehole pumps, and modified sine wave inverters without significant voltage sag.
Massive Backup: What Can It Power?
A single 250Ah battery is a powerhouse. On a full charge, it can typically support:
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Full Home Lighting: 20+ LED bulbs (5W) for over 30 hours.
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Modern Kitchen: A medium-sized fridge/freezer (150W) for 18–22 hours.
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Entertainment: A 55″ Smart TV, Soundbar, and Decoder for 15–20 hours.
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Security & Automation: Full CCTV, DVR, Electric Fence, and Gates for 48–72 hours.
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Work from Home: 3 Laptops, high-speed Wi-Fi, and a printer for 24+ hours.





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