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A 13.44 kWh battery is a common capacity for residential solar energy storage and backup systems, typically using Lithium Iron Phosphate (LiFePO4) chemistry for safety and longevity. This capacity is roughly equivalent to a Tesla Powerwall's 13.5 kWh rating.
Here is a breakdown of key aspects for a 13.44 kWh battery system:
1. Key Features & Specifications
- Capacity: 13.44 kWh (typically $\sim$280Ah at 48V/51.2V).
- Chemistry: LiFePO4 (Lithium Iron Phosphate), often featuring 16 cells in series (16S).
- Typical System Voltage: 48V nominal or 51.2V, commonly used for inverters like Victron, EG4, or Selectronic.
- Cycle Life: Usually 6000 cycles at 80% Depth of Discharge (DOD).
- Weight: Approximately 85–125 kg (187–275 lbs).
- Applications: Home energy storage, off-grid systems, and RV/telecommunication power.
2. Performance in Home Backup
- Without Large Loads: If you avoid heavy appliances (HVAC, pumps, electric ovens), it can last over 2 days.
- With Heavy Loads: If you run high-energy appliances during a blackout, this capacity may only last a few hours.
- Household Coverage: It can generally cover 45–50% of the daily energy needs for an average-sized U.S. home.
3. Common 13.44 kWh Battery Examples
- Selectronic SelectCell Ultimate 280 (120V): High-performance unit designed for 120VDC SP Pro inverters.
- 48V 280Ah LiFePO4 Units: Various manufacturers, such as those listed on Alibaba/Made-in-China, provide this specific capacity for residential systems.
- PointGuard Home (11.4 kW/13.44 kWh): A UL-certified all-in-one inverter and battery combo.
4. Comparison to Similar Options
- 15.07 kWh / 16.07 kWh Pack: A slightly higher capacity option, using 314Ah cells instead of 280Ah, for similar 48V/51.2V systems.
- 10 kWh Pack: A lower-cost, lower-capacity option for smaller homes.
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Selectronic SelectCell Ultimate Battery - 120V - 13.44kWh
AC Solar Warehouse
https://www.acsolarwarehouse.com › shop › selectronic...
AC Solar Warehouse
https://www.acsolarwarehouse.com › shop › selectronic...
Selectronic SelectCell Ultimate Battery - 120V - 13.44kWh ... This product is no longer available. Description. Contact us for system design. Item ID: 2335. SKU:Â ...Read more
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How long will 13.5 kWh power a house?
Not running large loads like HVAC, pool pumps, or laundry appliances during an outage means 13.5 kWh of stored energy can run for over 2 days without recharge. However, if during an outage you continue to use large loads, you may need significantly more capacity: typically, 40-90 kWh for 2-3 days of autonomy4.Aug 6, 2025
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Average daily use: 28–30 kWh. A 13.5kWh battery could power about 45–50% of daily needs.Sep 8, 2025
Average daily use: 28–30 kWh. A 13.5kWh battery could power about 45–50% of daily needs.Sep 8, 2025
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Web results
13.44kWh Reliable 48V 280Ah Lithium Battery Solution for ...
EverExceed
https://www.everexceed.com › 13-44kwh-reliable-48v-...
EverExceed
https://www.everexceed.com › 13-44kwh-reliable-48v-...
This system delivers superior performance with a 100% capacity test, supports parallel connection of up to 15 sets, and offers an impressive cycle life ...Read more
Dual Victron MultiPlus-II 5kVA Off-Grid Kit | 13.44kWh EG4 ...
Chargex Lithium Battery
https://www.lithiumion-batteries.com › products › product
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Dual Victron MultiPlus-II 5kVA Off-Grid Solar Power Kit – 48V 120V/240V Inverters with 13.44kWh EG4 LiFePO4 Battery & 450V/100A MPPT for Home, RV & Backup.
13.44 kwh/ 14.34 kwh 51.2 V 280ah Wall Battery Lithium Ion ...
Made-in-China.com
https://ttnelectric.en.made-in-china.com › product › Chi...
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13.44kwh/ 14.34kwh 51.2V 280ah Wall Battery Lithium Ion Batteries 3.2V for Electronic Appliances ; Nominal Voltage: 48V ; Warranty: 3 ; Nominal Capacity: 200Ah.
Portable All in One LiFePO4 Battery 13.44kWh 24V 80Ah ...
Alibaba.com
https://www.alibaba.com › ... › Home Energy Storage
Alibaba.com
https://www.alibaba.com › ... › Home Energy Storage
Application:Home Appliances;Operating Temperature(℃):-10-55℃;Capacity:13.44kWh / 14.34kWh;Composition:16S1P;Charge cut-off voltage(V):51.2v or 48V ...
Web results
Selectronic SelectCell Ultimate Battery - 120V - 13.44kWh
powergridservices.com.au
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The Selectronic SelectCell Battery is a high-performance energy storage solution. It offers reliable power, durability, and seamless integration for various ...Read more
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Reddit · r/SolarDIY
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Anyone have any experience with Eco Worthy batteries? Seems ridiculously cheap for 13.44 kWh capacity. What am I missing here?Read more
53 answers ·  Top answer: I have a couple of the 100ah and they tested to capacity. Btw they sell cheaper at their eBay ...
CleanTech - PointGuard (SigEnergy) 13.44 kWh battery
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Tewaycell 48V 280Ah 300Ah Solar Lithium Battery Pack 10kwh 13.44Kwh 14.4kwh Solar Energy System 48V 280Ah Energy Storage Battery. US $3,245.66. 14% off USÂ ...