portable solar charger for ipad 2 Passed CE, FCC, RoHS Also is an APPLE licensed manufacturer 8 years experience in battery
1. Dimensions/Weigth
L(120)mm×W(49)mm×H(14)mm ,Net weight73g
2. Test standard condition
The test should be under temperature+5°C~25°C,humidity40%~60% R.H if there is no special note.
3. Test method and machine
3.1 electronic load meter,DC,figure oscillograph.
The precision of test voltage meter should not less than 0.5 grade, the internal resistance should not less than 10KΩ/V; the precision of test current meter should not less than 0.5 grade, the test error of oscillograph should less than 0.5mV.
3.2 Thermometer
The meter precison of testing temperature should not less than±0.5°C.
3.3 Test internal resistance
The test meter of battery internal resistance, the frequency is AC 1KHZ.
4. Electric performance
Content | Parameter | Remark |
Input | DC5V 500mA | |
Output | DC5.0V 500mA | |
Ripple and noise | ≤100mV | |
Charge time | 3.5±0.5hrs | Use computer USB charge this battery |
Discharge time | 116±10min | 500mA constant current discharge |
Static power consumption | 10uA |
5. Mechanism performance test
Content | Test condition | Judge standard |
Vibration test | To 3 directions after full charge,at 10HZ~30HZ to scan cyclely 30min. Vibration frequency 10HZ~30HZ displacement amplitude (single amplitude of vibration 0.8mm) | The electric performances are OK after vibration. |
Drop freely | After full charge, drop it from 1000mm height to positive and negative of total 6 directions of X,Y,Z, make it drop on the 18mm-20mm wooded board. 6 directions each. | The electric performances are OK after drop. |
6. Safety performance test
NO. | Content | Test method and condition | Standard |
1 | Over-charge protection test | Charge it 180 hours continuously with AC adapter | The battery voltage is 4.2V±0.05V |
2 | Over-discharge protection test | Discharge it 24 hours continuous with 500mA current. | The battery voltage 3V±0.1V |
3 | Short-circuit test | Make the output port short-circuit for 24 hours. | Stop short-ciruit, every electric performance are OK |
4 | Discharge over-current test | Make the electronic load meter at CC mode 2A. | The output voltage ≤3V |
5 | CV mode test | Make the electronic load meter at CV node 4.2V | The output current is 900mA±200mA |
portable solar charger for ipad 2
