Address:
6F No.18 Yucai Rd, Dalingshan Town, Dongguan, Guangdong, China
Business Hours: Mon–Fri 9AM–6PM (GMT+8)
Address:
6F No.18 Yucai Rd, Dalingshan Town, Dongguan, Guangdong, China
Business Hours: Mon–Fri 9AM–6PM (GMT+8)












$2.69
805080 3.7V 4000mAh lithium polymer battery, 8mm-thin 50x80mm cell with 5A discharge for portable monitors, rugged tablets and medical diagnostic displays. CE/RoHS/UN38.3 certified.
The HNF-805080 is an 8mm-thin large-capacity lithium polymer battery offering 4000mAh at 3.7V across a wide 50 x 80mm footprint. With 14.8Wh of energy and support for up to 5A discharge, it is engineered for demanding portable applications such as large-screen portable monitors, rugged tablet terminals, battery-powered medical diagnostic displays, and high-capacity power bank modules.
Model number: HNF-805080 4000mAh 3.7V
Nominal voltage: 3.7 V
Nominal capacity: 4000 mAh
Dimension: 8.0 x 50 x 80 mm
Cell configuration: 1S1P
Certification: CE / RoHS / IEC62133 / UN38.3 / MSDS
Warranty: 12 months
| Item | Rating | Remark |
|---|---|---|
| Model | HNF-805080 4000mAh 3.7V | |
| Nominal Capacity | 4000 mAh | Standard discharge (0.2C5A) after standard charge |
| Nominal Voltage | 3.7 V | |
| Dimension | 8.0 x 50 x 80 mm | |
| Weight | Approx: 95 g | |
| Cut-off Charge Voltage | 4.2 V | |
| Cut-off Discharge Voltage | 3.0 V | |
| Standard Charge | 0.2C CC charge to CV then CV till current ≤0.01C | Charge time: approx. 7.0 h |
| Standard Discharge | Discharge at 0.2C5A to cut-off voltage | |
| Max. Continuous Discharging Current | 5000 mA (1.25C) | |
| Cycle Life | ≥500 cycles, 80% capacity retention | |
| Operating Temperature | Charge 0~+45℃ / Discharge -20~+60℃ | |
| Storage Temperature | -10~+45℃ | |
| Storage Humidity | 45-75% RH |
Large-screen portable monitors, rugged tablet terminals, battery-powered medical diagnostic displays, high-capacity power bank modules, portable UPS battery packs.
Q: Do you accept customization?
A: Yes. We are a professional custom lithium battery manufacturer. Share your required voltage, capacity, and dimensions.
Q: Can this be shipped by air?
A: 14.8 Wh — well within the 100Wh limit, suitable for air freight with MSDS & UN38.3 documentation.
Q: Do you offer samples?
A: Samples are available; sample cost is refunded once a bulk order is confirmed.
Q: What is the MOQ?
A: In-stock items have no MOQ. For customized cells, MOQ is typically 3,000-10,000 pcs depending on size and capacity.
Q: How is quality assured?
A: Multi-stage quality control across R&D, incoming inspection, production, pre-shipment, and after-sales, fully certified with CE, RoHS, and IEC62133.
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