The MJ-900S is an upgraded version of the globally - popular classic MJ-900, which has sold millions of units. It's perfect for urban commuting, road cycling, and mountain biking, and a top - choice for e - bike owners. With a max verified output of 1500 lumens from a single Luminus SST - 40 LED, it offers 1500/1000/500 lumen brightness modes, 2 flash modes, and a standalone DRL mode. The warm tint improves night vision, reduces glare, and softens shadows. It runs for 1.5 hours on full brightness. It's compatible with e - bikes, automatically adapting to input voltage from 6 - 12V, and works with mainstream motors like Bosch, Brose, Shimano, and Yamaha (optional light cable needed). The durable aluminum alloy light head weighs 68g alone and 245g with the battery. It comes with a Garmin handlebar mount (helmet mount not included), and the micro - USB rechargeable battery pack can also serve as a temporary power bank.

Using your Magicshine Mj900s is a breeze. First, if you're using it with an e - bike, make sure it's properly connected and the input voltage is within the 6 - 12V range. For bikes with motors like Bosch, Brose, Shimano, or Yamaha, you might need to attach the optional light cable. To turn on the light, press the relevant button. You can cycle through different brightness modes (1500, 1000, 500 lumens), flash modes, and the DRL mode according to your needs. When it comes to charging, use the micro - USB cable to connect the battery pack. You can also use the battery pack as a temporary power bank in a pinch. As for maintenance, keep the light head clean. Wipe it gently with a soft cloth to remove dirt and debris. Avoid exposing the light to extreme temperatures or getting it wet for long periods. If you're not using it for a while, store it in a dry place. Also, make sure to check the connections regularly to ensure a stable power supply and proper functioning.