2000mAh 3.7V Handy li-ion Portable Battery Phones Used Genuine Power 445561 Battery
Product description:
Adopt lithium ion core, built-in battery protection board, prevent overcharge, over-discharge, over current, short circuit, and use the assembly mode of head filling glue, super long life, durable. The professional quality inspection engineer will control the various links. Safety guarantee, please feel free to choose and use.
Top 2 reasons to choose Geedin TEH-01 battery pack:
Applicable scope.
This specification is only applicable to the rechargeable lithium ion battery pack produced by Shenzhen TIANENHUI technology co., LTD.
The battery of
| NO | Description | Model | Notes |
| 1 | 1 lithium ion core | Lithium ion core 445561/2000mAH | Lithium ion core |
| 2 | 1 battery protection board | IC:MM3280J05 | L*W |
| 3 | Assembly method | The head glue |
Basic battery performance
| Item | Parameter | Notes |
| Rated Capacity | 2000mAh | 0.2C5A |
| Nominal Voltage | 3.7V | |
| Internal Impedance | ≤150mΩ | AC 1kHz The exchange measures the interface resistance |
| Charge method | CC/CV | Permanent circulation constant pressure(4.2V) |
| Standard charge | 0.2C5A | 00mA |
| Rapid charge | 1.0C5A | 1000mA |
| Max. Charge current | 2000mA | 1.0C5A |
| Max. Discharge current | 2000mA | 1.0C5A |
| Charge Time | 0.2C5A ≤8h | |
| 0.5C5A About 3h | ||
| Limited Charging Voltage | 4.2V | |
| Discharge end voltage of cell | 3.0V | |
| Normal Voltage | 3.80～3.95V | |
| Load Voltage | ＞3.65V | |
| Weight | About 38g | |
| Standard Charge temperature | 0℃ ～ + 60℃ | |
| Standard Discharge temperature | –10℃ ～ +60℃ | |
| Storage Temperature | 1 month: -20~60℃ | |
| Relative Humidity | 45%~75% RH |
|
Basic battery performance
Battery size.
Protection board specification.
| Item | Sepc |
| Length | Max 66.1mm |
| Width | Max 44.1mm |
| Thickness | Max 16.1mm |
| / | / |
Protection plate electrical schematic diagram.
Protection plate electrical performance
| Items | minimum | Tye | maximum | unit |
| Over-charge Protection Voltage | 4.23 | 4.25 | 4.27 | V |
| Over-charge release Voltage | 4.0 | 4.05 | 4.1 | V |
| Over-charge Protection delay time | 700 | 1000 | 1300 | ms |
| Over-discharge Protection Voltage | 2.75 | 2.8 | 2.85 | V |
| Over-discharge release Voltage | 2.9 | 3.0 | 3.1 | V |
| Over-discharge Protection delay time | 76.8 | 115.2 | ms | |
| Discharge Over-current Protection | 2 | 6 | A | |
| Over-charge Protection delay time | 9.6 | 14.4 | ms | |
| charge Over-current Protection | 3.5 | 8 | A | |
| Static circuit | - | 6 | uA | |
| Resistance | - | - | 65 | mΩ |
| Short-circuit protection | interrupt | |||
| Short-circuit protection delay time | - | - | 420 | us |
Protective plate components
| No. | Name | Spec | Remark | Quantity | Brand |
| U1 | Protection IC | MM3280J05 | SOT-26 | 1 | Meizhimei |
| Q1 | SMD MOSFET | WST2066 | SOT-26 | 1 | WEISHUO |
| R1 | SMD Resistance | 330Ω,±5%,1/16W | 0402 | 1 | YAGEO |
| SKYWELL | |||||
| R2 | SMD Resistance | 2.2KΩ,±5%,1/16W | 0402 | 1 | YAGEO |
| SKYWELL | |||||
| R3 | SMD Resistanc | 10K1% B=3380 1% | 0402 | 1 | Murata |
| C1C2C3 | SMD Capacitance | 0.1uF,-20% +80%,50V | 0402 | 3 | YAGEO |
| SKYWELL | |||||
| P+ T P- | Metals | Kapton | PCB placer gold plating | ||
| B+ B- | Nickel plate | 4*3*0.3 | Nickel Plated | 2 | |
| PCB | PCB | PCM-LB4105-V0 | 36.05*4.7*0.8mm,double-deck,SMOBC&HAL,black oil,ROHS | 1 | XU |
