606090 Li‑Po Replacement Battery 3.7V 4000mAh Rechargeable Lithium Polymer Cell for Portable Tablet Bluetooth Speaker DIY Power Bank Made in China
Price:
Negotiable
MOQ:
100PCS
Delivery Time:
7-10 working days for sample, 20-30 days for bulk order
Brand:
MEISAEN
Product Description
606090 3.7V 4000mAh Lithium Polymer Rechargeable Battery
This model 606090 li‑poly battery delivers stable 3.7V nominal voltage and large 4000mAh capacity, comes with pre‑attached red and black wires for easy wiring and installation.
Built‑in PCM protection board prevents over‑charging, over‑discharging, over‑current and short‑circuit, greatly improving battery safety and service life. More than 500 charge‑discharge cycles for long‑term daily use.
Wide Application Scenarios
✅ Power bank DIY & replacement
✅ Tablet, portable display
✅ Bluetooth speaker, portable audio
✅ GPS device, handheld instrument
✅ Smart home gadgets, medical portable equipment
✅ Electronic toys & DIY electronic projects
Custom service: We support custom wire length, JST/XH connector, NTC thermistor upon your requirement. Contact our sales team for bulk wholesale order.
Product Specifications
表格
| Item | Parameter |
|---|---|
| Model | 606090 |
| Battery Type | Lithium Polymer (Li‑Po) |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 4000mAh |
| Energy | 14.8Wh |
| Charge Cut‑off Voltage | 4.2V |
| Discharge Cut‑off Voltage | 2.75V |
| Cycle Life | ≥500 cycles |
| Accessory | Red & Black Wires (without connector) |
| Protection Circuit | Built‑in PCM protection |
Important Safety Notes
- Only use dedicated 4.2V lithium‑ion charger for charging. Do NOT use unqualified power adapter.
- Do not squeeze, puncture, disassemble or throw battery into fire.
- Please install correctly for positive(+) and negative(-) polarity, wrong connection will damage the battery.
- For bulk purchase or customized connector/wire length, please send inquiry.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Meisha New Energy Technology Co., LTD
Location
Room 811, Kaihaoda Building, Block 1, No.1 Gongyeyuan Road, Shanghenglang Community, Dalang Subdistrict, Longhua District, Shenzhen City
Contact Person
gaojianchao