Ultra Small High Energy Desntiy 541112 40mAh 3.7V wireless bluetooth
Lithium Polymer Battery with UL, CB, KC, IEC62133
- It is high energy density lithium polymer battery pack
- Thinner design &a; lighter weight with aluminum-plastic coosite
- More than 500 cycles of charging &a; discharging life
- Enhanced safety performance with Japan/Taiwan IC &a; MOS protectors
- Easy to assemble with wires
- OEM &a; ODM services for special size of lithium polymer battery
- Rigorous testing to ensure the quality of all lithium polymer batteries
1. Products info and draw.
PCB PART LIST
| Item | Part Name | Description | QTY | Supplier | Remark |
| 1 | U1 | BM197-LFMA-DE-H | 1pcs | BYD | BM197-LFMX-DE |
| 2 | PCB | PCB541112 | 1pcs | | |
2. battert pack specification
| Items | Parameter |
| Cell model | 541112 CELL+PCB |
| Nominal voltage | 3.7V |
| Minimum capacity | 40mAh(0.2C discharge) |
| Typical capacity | 43mAh(0.2C discharge) |
| Charging voltage | 4.2V |
| Discharging cut-off voltage | 3.0V |
| Standard charging 0.2C | 0.2C/4.2V |
| Max charging | 1.0C /4.2V |
| Standard discharging | 0.2C/3.0V |
| Max discharging | 1.0C /3.0V |
| Weight | Appr:1.2g |
| Shipment voltage | 3.90V±0.05V |
| Cell iedance | ≤700mΩ |
| Max charge current | 0°C~10°C 0.2C max |
| 10°C~20°C 0.5C max |
| 20°C~45°C 2.0C max |
| Max discharge current | -20°C~10°C 0.2C max |
| 10°C~45°C 5.0C max |
| 45°C~60°C 0.5C max |
| Operating teerature | Charging: 0°C ~ 45°C |
| Discharging: -20°C ~60°C |
| Storage (At 50% SOC and specified te, recoverable capacity in % vs time. ) | -10℃~25℃ (12 months, ≥85% ) |
| -10℃ ~45℃ (6 months, ≥85% ) |
| 20±5℃ is the recommended storage teerature |
| Visual Inspection | There should not be any remarkable scratches, cracks, bolts, cauterization, deformations, swelling , leakage and so on on the surface of the cell. |
The packing of lithium polymer battery:
More Very Hot Saling Models for wireless earhone is :
1054, 1254, 601111
Waranty for customer:
We give 1 year warranty. If the battery has problem coz of our quality issue, We will give replacement any time.
Q&a;A:
1. Q: How long to make the cargos?
A: Nowadays its the very hot model to fit with TW wireless earphone, we are making a safe stock always.
So can give delivery in 7days normally.
2. Q:How to start the cooperate?
A: Lets start with the sale orders. In 3-5days will be ready the sales, then you test.We make the standard according the data sheet which we give.Once you confirm the quality, we can talk for further.
3. Q: What will be the packing?
A: We are using blister pallet packing in each battery pack. and then fold all packing in one ctn.
4 Q: Is OEM/ODM battery pack available?
A: Yes, OEM/ODM battery packs are warmly welcome. Professional engineers provide technical support.
5. Q: How do you arrange shipment for batteries?
A: We have long-standing forwarder partner who arranges all our shipments to all countries. Although batteries are categorized as dangerous goods, you should rest assured that your cargo will be delivered through our experienced shipping partner(s).
6. Q: Do you have the documents required for battery shipments?
A: Yes, we have MSDS, UN38.3, etc. and other special files needed for shipments to some regions can also be secured.
For more info please contact me freely, wish my 13years experience in battery area can help you in your project.
Product Tags:
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