Feature 1: It can supply power for 40 times jump start opration.
feature 2: Operating in cold weather.
Feature 3: strong lighting in 100 hours.
feature 4: flashing up to 60 hours.
Feature 5: sending SOS signal in 220 Hs.
feature 6: it can provide power to fully charge most smart cellphone in 10 or more times.
Feature 7: it has a service life of 6-8 years and can be used more than 2000 times.
Feature 8: convenient (home and on-board charging)