Intelligence lithium battery groups with 5 levels control:
1) 1st level: LED: red, 100% wattage output, discharge time: 270 minutes,
surface temperature of heating elements: 80
oC
2) 2nd level: LED: yellow, 75% wattage output, discharge time: 360 minutes,
surface temperature of heating elements: 70
oC
3) 3rd level: LED: green, 50% wattage output, discharge time: 540 minutes,
surface temperature of heating elements: 60
oC
4) 4th level: LED flash green, 32% wattage output, discharge time: 1,000
minutes, surface temperature of heating elements: 50
oC
5) Note: above temperatures are collected by using the TES 1310 thermometers
under the room temperature of 30.5
oC
Specifications:
1) Voltage: 7.4V
2) Capacity: 4,400mAh
3) Charge voltage: 8.4 ~ 8.6V
4) Overcharge detection voltage: 8.6V
5) Over-discharge detection voltage: 6.0V
6) Charge current: 1.0 ~ 1.2A
7) Operation current: <15mA
8) Standby current: <0.5mA
9) Output wattage: 15W max.
10) Efficiency of output wattage: ≥98%
11) Pulse current: output
12) Impedance type and range: electrical impedance: 4 ~ 4k (Ω)
13) Note: do not connect to battery / electromotor / capacitance and so on