MM428L battery info

Use in models: MM428/MM428L

  1. Manufacturer identification data: Shenzhen Truepower New Energy Co., Ltd.
  2. Battery category and its identification data: Li-ion Battery
  3. Place of manufacture: Room 201, Building 2, Yede Industrial Park, No. 99, Minqiang Road, Shatang Community, Maluan Street, Pingshan District, Shenzhen
  4. Date of manufacture- see SN on battery label: 202509
  5. MASS: 21g
  6. capacity: 800mAh
  7. Chemical composition;
Chemical Name CAS No. Weight（%）
Lithium Cobalt 12190-79-3 35-40
Aluminum Foil 7429-90-5 5-10
Graphite 7782-42-5 20-30
Copper Foil 7440-50-8 5-10
Lithium  Hexafluorophosphate 21324-40-3 5-10
Separator 9003-07-0 5-10
Al can 7429-90-5 5-10
Others 2-5
  1. Hazardous substances contained in the battery, other than mercury, cadmium or lead: no
  2. Fire extinguishing agent that may be used: dry powder fire extinguisher，mainly made up of monoammonium phosphate
  3. critical raw materials present in the battery, the concentration of which is above 0.1% m/m.
Object/part No. Manufacturer/ trademark Type/model Technical data
PCB Jiangxi Noah Electronics Co., Ltd. DHX-5C-A V-0,105°C,Minimum thickness: 0.6mm
IC Shenzhen Developer Microelectronics Co.,Ltd DW01 Overcharge detection voltage: 4.28±0.05V,Over-discharge detection voltage: 2.40±0.1V, Operating temperature range: -45～85℃
MOSFET Shenzhen Developer Microelectronics Co.,Ltd 8205A VDS: 20V, VGS: ±12V,

ID: 5.0A, TJ: -55 to150℃
NTC Quest for Advanced Materials Electronics Co., Ltd. QN0603X103F3380FB RT温度25°C

10kΩ±1%
Plastic ShenZhenHongYangPlastic Co.LTD BL-5C 220℃，ABS
Cell Hubei Truepower New Energy Co., Ltd. 523450AR Rated Voltage: 3.7V；capacity:800mAh
-Electrolyte Shenzhen Tenglong Industrial Holdings Co., Ltd TL72A LiPF6、DMC、EMC、EC
-Separator Shenzhen Yuehongyuan Technology Co., Ltd Ceramic diaphragm（12μm） Melting (destruction) temperature (℃)：145-160
-Positive electrode tab Hunan Kingfuli New Energy Co., Ltd KP-05 Particle size     D50：10±3um

Specific surface：≤0.6㎡/g
Anhui Boshi High-Tech New Material Co., Ltd BM1G Particle size     D50：11±3um

Specific surface：≤0.8㎡/g
-Negative electrode tab Henan Zhonglian High tech New Energy Co., Ltd 138-A Material: Graphite；  C content: ≥99.7%；Particle size D50(μm)：14~19；   Specific surface：≤4.5㎡/g