TEH-04 4400mAh Portable Battery Pack lithium ion battery 18650 li ion battery 4400mAh 3.7V rechargeable battery
Battery Pack
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-03 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: | Designation | Model | Remarks |
| 1 | 4 lithium ion cores. |
Lithium ion core 18650/2000m AH |
Lithium ion core |
| 2 | 1 battery protection board. |
IC:2120DB MOSFET:8205A*2
|
L*W |
| 3 |
plug cord PH-2.0
|
Line type 1007 22 AWG | Wire exposure cord length 130±5mm |
Basic battery performance.
| Items | Performance | Remarks |
| Rated capacity | 4400mAh | 0.2C5A Electric discharge |
| Rated Voltage | 3.7V | |
| (Electric discharge)Cut-off voltage | 6.0V | |
| Charging mode(Standard) | CC/CV | 0℃～50℃ |
| Charging Current(Standard) | 880mA | 0.2C |
| charging voltage(Standard) | 8.4V | |
|
Discharge Current (Standard) (Max) |
880mA | -10℃～+60℃ |
| 4400mA | ||
| Internal resistance of finished battery. | ≤220mΩ | AC 1kHz |
| Max. Outline Dimensions (mm) | 21.0*37.0*134mm | |
|
Environment temperature: Standard Charge
Discharge |
0℃～+50℃ | |
| -10℃～+60℃ | ||
|
Storage Temperature: Short-Term Within a month
Medium-term Within three months
Long-term less than one year |
-10℃～+60℃ | RH:45%～75% |
| -10℃～+45℃ | ||
| -5℃～+30℃ |
Battery size
| Items | Standard |
| Length | Max 134.0mm |
| Width | Max 37.0 mm |
| Thickness | Max 21.0 mm |
| Appearance | Line beside |
| Guide line(PH-2.0) |
Line style 1007- 22AWG protruded lengths (L1):130±5mm |
Protection board specification.
Protection plate performance.
| Items | MIN | Typical Value | Max | Notes |
| Over-charged protection voltage | 4.255V | 4.28V | 4.305V | |
| Overcharge protection delay time. | 200ms | 400ms | 450ms | |
| Over-charge protection to restore voltage. | 4.03V | 4.08V | 4.13V | |
| Over-discharge protecting voltage | 2.18V | 2.25V | 2.32V | |
| Overlaying protection delay time. | 5ms | 10ms | 15ms | |
| Over-current detection voltage. | 0.12V | 0.15V | 0.18V | |
| Over-current protection delay time. | 7.2ms | 9ms | 11ms | |
| Short circuit detection voltage | VDD-1.2V | VDD-0.9V | VDD-0.6V | In the VM and VDD between |
| Short circuit protection time | 220μs | 320μs | 380μs | |
| Working current consumption | 1.0μA | 3.5μA | 7.0μA | |
| Static current consumption | 0.1μA | |||
| Electrostatic (ESD) protection. | '-10KV | '+10KV | The protection function is normal. | |
| Internal resistance (650mAh) | 50mΩ | 60mΩ | 70mΩ | |
| Blow Out Current |
Protection plate electrical performance.
| No: | Items | Standard | Units |
| 1 | Over-charged protection voltage | 4.25±0.025 | V |
| 2 | Over-discharge protecting voltage | 2.25±0.08 | V |
| 3 | current curoff | 3-8 | A |
| 4 | Since the power flow | ≤9.0 | uA |
| 5 | Protective plate internal resistance | 10-60 | mΩ |
Protective plate components.
| Position | Specification | Quantity |
| R1 | 400Ω ±5% SMD0603 | 1PCS |
| R2 | 2KΩ ±5% SMD 0603 | 1PCS |
| R4 | 10KΩNTC ±1% SMD 0603 | 1PCS |
| C1 | 0.1μF -10/+80% 25V SMD0603 | 1PCS |
| U1 | IC:2120 DB | 1PCS |
|
U2
|
MOSFET:8205A | 2PCS |
