NiMH Rechargeable Battery SC 2400mAH 14.4V

2020-08-10 06:20

SC 14.4v 2400mah rechargeable nimh battery

Product Name	AA 2500mah 1.2V NI-MH rechargeable power battery
Size	AA
Capacity	2500mAh
Voltage	1.2V
Chemical System	Nickel–metal hydride battery
Cycle Life	500-1000times
Jacket	PVC
Certifications	CE ROHS SGS MSDS
Standard charging current	0.1A for 16 hours
Standard discharging current	0.2A
Charging temperature	0 to 45 degree Celsius
Discharging temperature	-20 to 60 degree Celsius

Tests should be done within one month of receiving the goods under the following conditions.

Test condition：

Temperature：20±5℃
Relative Humidity：65±20%
Atmospheric Pressure：86～106kPa
Standard charge discharge specification
Discharge: 6000mA (1C) to 12.0V
Charge: 6000mA (1C)×1hrs，1200mA (0.2C)×1hrs
Discharge: 6000mA (1C) to 12.0V

No	Test	Unit	Description	Condition	Note
1	Open circuit voltage	V	≥15	Within 1h after charging
2	Internal resistance	mΩ	≤32	50%SOC
3	Internal Impedance	mΩ	≤13.8	1kHz
4	Self -discharge rate	%	＜18		55±2℃ rest 3days, 20±2℃ rest 7days
5	Energy Efficiency	%	≥85	25℃
6	Volumetric Efficiency	%	＞95	25℃
7	Cycle Life	Week	＞3000	80%DOD	Charge to 90%, discharge to 10%

Related NiMH Battery

MANDATORY TEST

No.	Battery parameters	Test Method	Standard
1	Appearance	Visually check the appearance of the battery under good light conditions.	Neatly arranged, reliable and clearly marked.Free from cracks,scars.
2	Vibration Resistance	Fixed the battery module to the vibration test stand, Perform a linear scan vibration test according to the following conditions: ——Direction of vibration: single vibration ups and down; ——Vibration frequency: 10Hz～55 Hz; ——Max Acceleration: 30m/s2; ——Vibration Time: 3h	No deformation and no leakage
3	Over discharge Test	1. Charge according to standard charging method; 2. Discharge with 6A current (If there is an electronic protective line, the discharge electronic protection line shall be removed temporarily)discharge 90min; Observe 1h.	No explosion, no catching fire, or no leakage.
4	Overcharge Test	1. Charge by standard charging method; 2. Charge 1H with 6A current; 3. Observe 1h.	No explosion or no catching fire.
5	Short-circuit Test	1. Charge by standard charging method; 2. External Short-circuit the battery 10min, and the external line resistance should be less than5mΩ; 3. Observe 1h.	No explosion or no catching fire.
6	Heating Test	1. Charge by standard charging method; 2. The temperature chamber is heated from room temperature to 85 + 2 DEG C at a rate of 5/min, and the heating is stopped after 2h; 3. Observe 1h.	No explosion or no catching fire.
7	Extrusion Test	1. Charge by standard charging method; 2. Extrusion direction: perpendicularly pressure to the battery monomer arrangement direction 3. Extrusion plate form：The radius of the 75mm half cylinder, the length of the semi cylinder (L) is greater than the size of the extruded battery; 4. Extrusion speed: （5±1）mm/s； 5. Extrusion degree: the voltage reaches 0V or the deformation amount reaches 30%, or the extrusion pressure reaches 200KN, then stop extruding; 6. Observe 1h.	No explosion or no catching fire.
8	Acupuncture Test	1. Charge by standard charging method; 2. With high temperature resistant steel than 6mm ~ 10mm in diameter (tip cone angle of 45 degrees to 60 degrees, smooth surface, needle without rust, oxide layer and oil), with 25 + 5mm/s speed, from the vertical to the battery plate direction, turn through at least 3 monomer; 3. Observe 1h.	No explosion or no catching fire.