W16-5A
The W16-5A is a solar lithium battery for home use. Its intelligent Battery Management System (BMS) can monitor and optimize battery performance in real-time, extend the battery’s service life, and enable remote control via a mobile app—making it convenient for you to track your home’s energy situation. It is easy to install, and the wall-mounted design saves space. In case of an emergency, it can serve as a power bank to supply power to home appliances, adapting to various scenarios.
SMILE5 Series system is the bestseller of AlphaESS. It is available for DC-coupling, AC-coupling and hybrid-coupling connection and working with multiple battery options including 2.9kWh, 5.7kWh, 10.1kWh and 13.3kWh battery module. With VPP value stacked, it would be the best choice for householders.
W16-5A
The W16-5A is a solar lithium battery for home use. Its intelligent Battery Management System (BMS) can monitor and optimize battery performance in real-time, extend the battery’s service life, and enable remote control via a mobile app—making it convenient for you to track your home’s energy situation. It is easy to install, and the wall-mounted design saves space. In case of an emergency, it can serve as a power bank to supply power to home appliances, adapting to various scenarios.

Model
W16-5A
Nominal Voltage
51.2V
Nominal Capacity
314Ah
Operating Voltage
44.8~57.6V
Dimension(L x W x D)
Cell Technology
Cycle Life
~800×500×227 mm
Lithium Iron Phosphate
8,000 cycles @ 80% DOD, DOD Max 95%
Operating Temperature
-20°C ~ 60°C
IP Rating
IP 65
Communication Interfaces
RS232 / CAN / RS485
FEATURES
All-Scenario & All-Weather
Mobile & Emergency Power
Optional detachable wheels; works as backup power for home appliances in emergencies.
Long Life & High Safety
Grade A+ LFP cells, built-in fire extinguisher, 8,000 cycles (80% DOD).
Low-Maintenance & Smart Management
BLE-enabled firmware updates; check status and configure BMS.
Flexible Expansion
Up to 20 units in parallel, max system capacity 321.52kWh.
Authoritative Certifications
Passed UN38.3, MSDS, TCAR, CB, CEI 0-21.
Compatible List of inverters Brands



















