Address:
6F No.18 Yucai Rd, Dalingshan Town, Dongguan, Guangdong, China
Business Hours: MonโFri 9AMโ6PM (GMT+8)
Address:
6F No.18 Yucai Rd, Dalingshan Town, Dongguan, Guangdong, China
Business Hours: MonโFri 9AMโ6PM (GMT+8)














$1.60
Model 882142 3.7V 800mAhlithium polymer battery. High energy density with built-in BMS protection. Ideal for portable electronics, wearables and IoT devices. Custom sizes available. HNF Battery manufacturer.
Overview
The 882142 lithium polymer battery delivers a reliable 3.7V / 800mAh (2.96Wh) in an ultra-slim 8.8 ร 21 ร 42mm form factor. Equipped with a built-in PCM (Protection Circuit Module) as standard, it provides complete cell-level safety for GPS trackers, medical wearables, Bluetooth devices, IoT sensors, and compact handheld electronics. CE and UN38.3 certified, in stock for immediate dispatch, with full OEM/ODM customization available.
Key Specifications
| Parameter | Specification |
|---|---|
| Model | 882142 |
| Configuration | 1S1P |
| Nominal Voltage | 3.7V |
| Capacity | 800mAh |
| Energy | 2.96Wh |
| Dimensions | 8.8 ร 21 ร 42 mm |
| Weight | โ 16g |
| Charge Voltage | 4.2V |
| Max Charge Current | 800mA (1C) |
| Continuous Discharge | 800mA (1C) |
| Peak Discharge | 1600mA (2C) |
| Discharge Cut-off | 3.0V |
| Self-discharge Rate | โค 3% / month |
| Cycle Life | โฅ 500 cycles |
| Operating Temp | -20ยฐC ~ 60ยฐC |
| Storage Temp | -10ยฐC ~ 45ยฐC |
| Wire Leads | 100mm AWG26 (customizable) |
| Connector | JST-PH 2Pin (customizable) |
| Certification | CE / UN38.3 / RoHS |
| Warranty | 1 Year |
PCM Protection โ What’s Included
| Protection Function | Threshold | Benefit |
|---|---|---|
| โก Overcharge Protection | Cutoff at 4.25V | Prevents cell swelling & fire risk |
| ๐ Over-discharge Protection | Cutoff at 2.75V | Preserves long-term cycle life |
| ๐ฅ Overcurrent Protection | Trips at > 1.6A | Prevents heat buildup in circuit |
| โ ๏ธ Short-circuit Protection | Instant cutoff | Protects device & user safety |
| ๐ก๏ธ Thermal Stability | -20ยฐC ~ 60ยฐC | Reliable in field & medical environments |
๐ก๏ธ PCM included as standard โ no external protection circuit required for single-cell applications.
Features
Applications
| Industry | Typical Devices |
|---|---|
| ๐บ๏ธ Tracking & Navigation | GPS trackers, asset monitors, vehicle trackers, pet trackers |
| ๐ฅ Medical & Healthcare | Portable pulse oximeters, blood pressure monitors, hearing aids |
| ๐ง Wearables | Smart bands, fitness trackers, smartwatches, AR glasses |
| ๐ก IoT & Wireless | BLE sensors, RFID readers, wireless alarm modules |
| ๐ Smart Home | Door/window sensors, smart locks, PIR detectors |
| ๐ต Audio | Bluetooth earbuds, wireless mics, compact speakers |
| ๐ญ Industrial | Handheld scanners, RFID terminals, field sensors |
882142 vs Similar Models โ Size Comparison
| Model | Voltage | Capacity | Dimensions | Best For |
|---|---|---|---|---|
| 701540 | 3.7V | 500mAh | 7.0ร15ร40mm | Ultra-slim wearables |
| 751525 | 3.7V | 200mAh | 7.5ร15ร25mm | Micro devices |
| 882142 | 3.7V | 800mAh | 8.8ร21ร42mm | GPS, medical, IoT |
| 803040 | 3.7V | 1000mAh | 8.0ร30ร40mm | BT speakers, handhelds |
| 902540 | 3.7V | 1000mAh | 9.0ร25ร40mm | Compact handhelds |
Default Package Configuration
| Item | Specification |
|---|---|
| LiPo cell | 882142 3.7V 800mAh |
| PCM protection board | โ Included |
| Wire leads | 100mm AWG26 red & black |
| Connector | JST-PH 2Pin |
| Label | Standard / OEM available |
| Warranty | 1 Year manufacturing defect coverage |
OEM / Custom Options
| Option | Details |
|---|---|
| Voltage | 3.7V / 3.85V HV / 7.4V / custom |
| Capacity | 200mAh โ 5000mAh |
| Dimensions | Custom to your enclosure drawing |
| Wire length & gauge | 50mm ~ 300mm / AWG20 ~ AWG28 |
| Connector | JST-PH / SH / ZH / Molex / Bare wire |
| Protection | Standard PCM / Smart BMS / Fuel gauge IC |
| Certification | CE, UN38.3, RoHS, UL, ISO 13485 (medical) on request |
| Branding | OEM / white-label labeling & packaging |
| MOQ | 50 pcs๏ผๆ ทๅ่ฎขๅๆฌข่ฟ๏ผ |
๐ฅ Medical application? We support ISO 13485 documentation and can provide full traceability records for medical device battery qualification.
Certification & Compliance
| Certificate | Scope | Status |
|---|---|---|
| โ CE | EU market compliance | Standard |
| โ UN38.3 | Global air & sea freight | Standard |
| โ RoHS | Hazardous substance compliance | Standard |
| โ MSDS | Material safety data sheet | Standard |
| ๐ UL | US market | On request |
| ๐ ISO 13485 | Medical device supply chain | On request |
| ๐ KC | Korea market | On request |
Warranty & Quality Assurance
| Item | Detail |
|---|---|
| Warranty period | 1 Year from date of shipment |
| Coverage | Manufacturing defects, capacity degradation below 80% |
| QC process | 100% capacity test + PCM function test before shipment |
| Batch traceability | Full lot tracking records available |
| Replacement policy | Defective units replaced or refunded within warranty period |
Why Choose Us?
๐ฉ Contact us for samples, medical compliance documentation, bulk pricing, or a fully custom LiPo solution.
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