Features
HR7742AAA02 - 2 Way Radio Batteries
This technical specification is for the product of HR7742AAA02 Li-ion rechargeable battery pack.
Cell Type
Cell: Sealed Li-ion prismatic cell 2pcs pack
Electrical Test
1. Charging Characteristics
The battery pack should be charged under the following conditions:
--At a constant current of 1590mA to 8.4V, then charge with 8.4V for 3 hours at 25 °C.
The above test is the ambient temperature of 25°C (+,-5°C)
2. Discharge Characteristics
After adopt the above charge procedure as 5.1 the battery pack is stored for 1 hour at the same temperature range, this is to be discharged at various current till the end voltage reaches 5.5V
--At 406mA discharge for 5hrs (0.2C)
--At 609mA discharge for 3.3hrs (0.3C)
--At 2030mA discharge for 54 minutes (1C)
--At 4.06 A discharge for 25 minutes (2C)
3. Capacity Characteristics
The battery pack should be at or more than 90% minimum capacity under the above either charging or discharging procedure.
4. Charge retention
After stand charging procedure as per 5.1, the battery pack store for 28 days, then discharge the battery pack are 0.2C, the nominal capacity shall not be less than 70%.
--Before using, the battery pack shall be properly charged as 5.1.
--Keep the battery pack in cool and dry place.
--DO NOT throw the battery pack into fire or disassembles them.
--DO NOT short-circuit the battery pack
--DO NOT charge with more than specified current.
WARNING: This battery pack should be charged by proper specified charger. After long storage, it is desirable to cycle (charge/discharge) the battery 3 times to restore full capacity.
Specification
Item code | HR7742AAA02 Battery |
Nominal Voltage | 7.4V per pack |
Rated Capacity | |
Typical Capacity | 2030mAh |
Minimum Capacity | 2030mAh |
Charging | charge with the constant current of 1590mA to 8.4V, then charge with 8.4V for 3 hours at 25 °C. |
Discharge End Voltage | 5.5V per pack |
Maximum Discharge | 4.06A Current |
Weight | 132g |
Charge Temperature | 10°C to 45°C |
Discharge Temp | -20°C to 60°C |
Storage Temperature | -20°C to 50°C |
Length | 105.0mm |
Width | 36.7mm |
Height | 14.4mm |
Maximum Overstep | 0.1mm |
Housing material | ABS |