The PT14 battery combines all the great features found in our PT series of batteries with a larger energy capacity. A high discharge capacity and built-in heating system make these batteries perfect for both residential and commercial systems. This remains our most popular and best selling lithium residential solar battery.


Chemistry LiFePO4
Minimum/Nominal/Max Voltage 44V / 51.2VDC / 56VDC
Energy Capacity 14kWh
Operational Temperature -30°C to 45°C [-22°F to 113°F]
Weight 93kg [205 lbs]
Dimensions 61cm x 38.1cm x 48.2cm [24in x 15in x 19in]
Maximum Continous Discharge Amperage 280 A
Maximium Continous Charge Current 140 A (70 A recommended)
Fuse Amperage 300 A
Standard Warranty & Certifications

5 year standard warranty
UL1973 (Pending)
UN38.3
CSA (SPE-1000) Inspected

Maximum Batteries in Parallel 24
Cycles

6700 cycles 
(charging CC/CV @0.5C & discharging CC @0.5C, 100% DOD, 25°C +/-2°C 80% of rated capacity),
8500 cycles 
(charging CC/CV @0.5C & discharging CC @0.5C, 100% DOD, 25°C +/-2°C 70% of rated capacity),
10,000 cycles 
(charging CC/CV @0.3C & discharging CC @0.3C, 70 DOD, 25°C +/-2°C 70% of rated capacity)

The PT14 battery combines all the great features found in our PT series of batteries with a larger energy capacity. A high discharge capacity and built-in heating system make these batteries ideal for larger residential and commercial applications. Up to 24 of these modules can be paralleled to create a large, plug-and-play energy storage system. With intelligent battery integration, the balancing and integration of each parallel pack is done automatically leaving you with less to worry about. The PT14 features a UL9540A PASS battery allowing you to install these in almost any situation.
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