operation description please make the battery fully charged before use it for the fit time, when all indicator light is always being on. it shows the charging is completed . provide lighting plug the bulb cable into the socket which marked . the system allocates high capacity battery, lighting time when fully charged please see the chart as below. quantity of bulbs lighting time when fully charged 1pcs 20hou 2pcs 10hou the system allocates high light bulbs with 90 lm above, amount to the luminance of 25w filament lamp. battery capacity indicator: 3 indicator lights being on: 50~ 2 indicator lights being on: 20~50% 1 indicator light being on: <20% warning: the bulbs is super bright led bulbs, please avoid looking in it when lighting. system charged charge the system using solar panel, can get through the below steps: 1. place the solar panel towards to the sun where can receive the strongest possible sunlight 2. plug the panel cable into the socket which marked , when indicator light twinkle slowly, that mea charging normally. in order to get higher charge efficiency, may use the below methods: 1. place the solar panel towards to the sun, avoid covering by shadow 2. wipe the panel surface using the wet cloth regularly, avoid resisting the sunlight by dust or blot. 3. place the system to where shady and cool when charging, so that can increase the charge efficiency 4. mcu intelligent control charging, do not go out without pulling out the solar panels. mobile phone charge operation steps : 1. plug the usb into the port which marked 2 ． connect the mobile phone through the connector 。 specification solar panel 5w/9v panel cable 3m battery 6v/4.5ah lead-acid bulbs 1.3w 140lm color temperature of bulbs 6000-7000k bulb cable 3m usb output 5v/500ma size of color 23*8.5*19cm the outer carton size 48*28*41cm (12pcs) a single weight 1.8kg netweight 21.6kg grossweight 23kg battery maintenance and use skill the system uses a 6v 4.5ah lead-acid maintenance free rechargeable battery. in order to keep the longest lifespan. 1. please don&quo;t keep the battery in the over discharge status 2. please charge the battery at less one time every 3 months, even you don&quo;t use it . when replace battery, only use 6v lead-acid battery, and under conduction by professional peon. 本产品的加工定制是是，品牌是利和，型号是lh-xt-005，光电板功率是5（wp），蓄电池容量是4.5（ah），输出电压是6（v）