Are You Still Struggling With High Electricity Bills? Our All in One Energy Storage System Solves It!

Many homeowners wake up to shocking electricity bills each month, especially with rising peak rates and utility surcharges. From a customer’s perspective, what if your home could store cheap energy, use it when rates spike, and keep essentials running when the grid fails? That’s where CTECHI’s Stacked Battery Energy Storage System (5-20 kWh LiFePO₄) makes a real difference.

Core Specifications (What You Get)

• Nominal energy: 5.12 kWh per module (51.2 V, 100Ah). 

• Operating voltage range: 40-57.6 VDC. 

• Max charge/discharge current: 100A continuous.

• Cycle life: about 6,000 cycles at ~80% Depth of Discharge at 25 °C. 

• Protection: IP53 enclosure. 

• Dimensions & weight: 482 × 440 × 142.4 mm, approx 42 kg per module. 

How It Solves High Electric Costs

1. Time-of-Use / Peak-Shaving Savings
   When utility companies charge more during “peak hours” (evening, afternoon), you can use the battery to power your home during those expensive periods. Charge the battery at off-peak (lower cost) times—such as overnight or midday if your solar panels are producing—and draw from the battery when rates are high.

2. Solar Energy Storage
   If you have solar panels, often midday production exceeds household demand. Instead of selling back at low feed-in tariffs or letting it go unused, you store it in this stacked system. Then at night or during cloudy afternoons, use your own stored energy. This maximizes self-consumption, reduces grid reliance, and lowers total electric bills.

3. Backup Power During Outages
   When the grid fails—even briefly—you may lose lighting, refrigeration, communications. The battery kicks in to power essential loads, giving you relief and safety. For someone in region with frequent outages, this “insurance policy” makes the investment worthwhile.

4. Scalability for Growing Needs
   You may start with one module (≈5.12 kWh) to cover basic lighting, router, fridge. But if later you add EV charger, HVAC load or want more capacity, you can stack more modules, scaling to larger storage (the system design supports expansion). This modularity avoids over-investment early and adapts to lifestyle changes.

How to Use & Install (Customer Tips)

• Sizing your system: First, audit your average everyday load (lights, fridge, TV, etc.) and peak load (AC, EV charging). Estimate how many kWh you need for peak hours + outage buffer.

• Placement: Since each module weighs ~42 kg and has dimensions ~482×440×142 mm, install on a sturdy rack or floor platform. The IP53 rating allows for placement in garage, utility room, but avoid environments with heavy water exposure.

• Temperature awareness: The battery works well in broad temperature range (−20 °C to +60 °C for discharge). But during charging, ambient temperatures matter. Too cold can increase risk; ensure battery is in protected location or mildly heated in winter.

• Connection & communication: The module supports communication protocols like CAN / RS485; adding WiFi or Bluetooth optionally. This allows you to monitor state of charge, usage, cycle count. Use this data to avoid over-discharge and prolong battery life.

• Safety & lifespan: Use the built-in BMS protection (overcharge, overdischarge, overcurrent, thermal protection). For longer life, avoid constantly using full 100A at high ambient temperature; moderate use gives better cycle life.

Application Scenarios (Real-Life Uses)

• Suburban homes with solar: Sunny roof, midday surplus → store, use at night. Reduced bills by 40-60%.

• Rural areas with unreliable grid: When power flickers or goes out, essential loads remain powered (lights, fridge, medical devices).

• Small businesses: For shops with evening operations (restaurants, convenience stores), using stored energy during high rates reduces costs significantly.

• EV owners: Charge vehicle overnight or midday; use battery during peak rates. Or buffer EV charger in the garage so electric bills don’t spike.

If you’re tired of soaring electricity prices, surprise utility bills, or powerless outages, CTECHI’s Stacked Battery Energy Storage System (5-20 kWh) presents a practical, modular, and long-term solution. From lowering bills to warding off outages, it turns energy expense into energy control. It’s not just technology—it’s peace-of-mind built into your home.