Underwriter Laboratories (UL) is one of the authoritative safety certification companies around,had been presented an certificate to MeritSun ESS Lifepo4 Battery 48v100ah.

MeritSun is also one of the China rare company who has passed the latest version of the UL1973 testing standare.

UL 1973 outlines a series of safety performance tests for energy storage solutions, including electrical tests such as an overcharge test, short circuit test, over-discharge protection test, temperature and operating limits check test, imbalanced charging test, dielectric voltage test, continuity test, failure of cooling/thermal stability system test, and working voltage measurements. In addition, UL 1973 requires testing of electrical components; including a locked-rotor test for low voltage direct current (DC) fans/motors in secondary circuits, input, leakage current, a strain relief test and a push-back relief test. 

Mechanical tests are also required by UL 1973, including a vibration test, shock test, and crush test, which only apply to LER applications. Other mechanical tests that apply to all systems include a static force test, impact test, drop impact test, wall mount fixture/handle test, mold stress test, pressure release test, and a start-to-discharge test.

Additional environmental tests are also required by UL 1973, including a thermal cycling test, resistance to moisture test, and a salt fog test. 

Meritsun cell was proven to be pretty good performance and Superior safety according to the testing status. During module-level testing, the thermal runaway did not spread to all cells. no fire, no splashes, which showing the safety and reliability of the module design. 

About Meritsun Energy Storage System Lithium Battery

As the No. 1 lithium battery manufacturer in Guangdong Province, MeritSun's commercial lithium battery products provide customers with high-capacity, scalable, safe and environmentally friendly energy storage solutions through its modular design, providing consumers with more choices

Compatibility: adapt to different brands of off-grid/hybrid inverters.

Customized function: support self-heating, GPS, Gypo and other customization.

Stackbale design: modular design increases scalability.

Safety air switch: UL certificate, double protection on the basic of BMS.

Terminal: two positive/negative terminals for large current sharing to avoid hign temperature

48V Rack Module Battery is widely used in commercial energy storage, data center, telecom, etc.

For more information about the product, please click here:https://www.meritsunpower.com/energy-storage-system-lifepo4-battery-48v-100ah-solar-lithium-ion-battery-pack