1.       Integrated with Spanninga RLL rear light with compliance of GS,BS,TPL, which can be fixed at the bottom of battery box. Novel design, more options to be workable, such as putting dry batteries inside, dynamo version, or getting power from battery. Light will be on when you're braking or turning.

2.       Apply30Amps automotive blade fuse holder with more durable life.

3.       6Pins discharge socket, which provide more options for you according to your bike's electrical specifications. For example, help you to check index of battery cells, control rear light (on/off/braking), connect with charger station.

4.       Both of front and rear, there is a joint washer on each side, which will be waterproof and also easier on assembling.

5.       The design has two adjustable slide rails for you to adjusted length of battery box. Flexible buckle on slide rails, which can lower much rattle from battery shaking when you're riding.

6.       Discharge socket is embedded at the bottom of battery box which has good waterproof performance.

7.       Holder of rear light and battery box are discrete designed, easier for you to assemble. Buckle junction is designed between battery box and rear light holder. So you need not to open the box if you want to replace dry batteries inside of the light.

8.       Handle location was designed at the bottom of battery box, which can be removed easily.

9.       The controller box is with large space, it's easier for controller assembly and debugging.

10.   Four steps capacity indicator, Battery switch can control PCM.