China Cheap price 21700 Lithium Battery - 602040 3.7V 400mah lithium polymer battery for ultrasonic tooth cleaner – Xuanli

Application

Single battery voltage: 3.7V
Nominal voltage after the battery pack is assembled: 3.7V
Single battery capacity: 400mAh
Battery combination: 1 string and 1 parallel
Battery voltage range after combination: 3.0V~4.2V
Battery capacity after combination: 400mAh
Battery pack power: 1.48W
Battery pack size: 6*21*43mm
Maximum discharge current: <0.4A
Instantaneous discharge current: 0.8A~1.2A
Maximum charging current: 0.2-0.5C
Charge and discharge times: >500 times

XUANLI advantages

3.7V polymer lithium battery:

①Comply with relevant national standards and requirements for batteries
②All finished battery products have been calibrated and tested before leaving the factory. They can be used directly

Product details:

1. Sufficient capacity: using domestic and foreign brand raw materials, sufficient capacity, low internal resistance, and stable voltage
2. Stable performance: long cycle life, high energy density, wide operating temperature range, stable discharge voltage

XUANLI advantages

Telecommunications: walkie-talkie, cordless phone,interphone,ect

Power tools: electric drills, screwdriver and electric saw and so on;

Power toys: electric auto, electric plans;

Video cassette recorder;

Emergency lightings;

Electronic toothbrush;

Light Therapy;

Vacuum cleaner;

Other equipment with high power discharge.

Main advantages

1. Long operation life: Cycle life is up to 1000 times in normal conditions;

2. Low self discharge: 80% capacity retention after 1year; Strong emergency adaptability: It can charge quickly in 1~6h in emergency conditions;

3. Wide operation temperature range: It can be operated in the environment of -20~+60 centigrade;

4. Good safety and reliability: Each battery has a safety valve, so it can have high safety and reliability during long-period operation process or in major failures;

5. Pollution-free and no memory effect;

6. Different configuration could be met.