606072 3.7V 3900mAh LiPo Battery

$3.20

Model 606072 3.7V 3900mAhlithium polymer battery. High energy density with built-in BMS protection. Ideal for portable electronics, wearables and IoT devices. Custom sizes available. HNF Battery manufacturer.

Product Overview

The 606072 3.7V 3900mAh LiPo Battery is a large-format, high-capacity rechargeable lithium polymer cell built for power-intensive portable applications. With a 6Γ—60Γ—72mm form factor and 3900mAh capacity, it delivers extended runtime for tablets, POS terminals, handheld industrial devices, desktop robots, portable power banks, and medical equipment where both energy density and compact size are critical.

Manufactured on automated production lines with 100% pre-shipment electrical testing, every cell meets strict dimensional and performance tolerances for reliable integration into your product.


Key Features

  • βœ… 3900mAh High Capacity – Extended runtime for power-hungry portable devices
  • βœ… High Energy Density – Maximizes power output within the 6Γ—60Γ—72mm slim profile
  • βœ… Stable Voltage Output – Consistent 3.7V nominal with flat discharge curve
  • βœ… Built-in PCM Protection – Full protection against overcharge, over-discharge, overcurrent & short circuit
  • βœ… Long Cycle Life – β‰₯500 cycles at β‰₯80% capacity retention
  • βœ… Low Self-Discharge – ≀3% per month, suitable for standby and intermittent-use applications
  • βœ… CE & UN38.3 Certified – Compliant with global import standards and air freight regulations
  • βœ… OEM/ODM Ready – Custom size, capacity, connector, PCM & branding available

Specifications

ParameterValue
Model606072
Nominal Voltage3.7V
Capacity3900mAh
Energy~14.43Wh
Charging Voltage4.2V Β± 0.05V
Discharge Cut-off Voltage3.0V
Standard Charge Current0.5C (1950mA)
Max Charge Current1C (3900mA)
Max Discharge Current2C (7800mA)
Dimensions6.0 Γ— 60 Γ— 72 mm
Weight~68g
Operating Temperature-20Β°C ~ +60Β°C
Storage Temperature-10Β°C ~ +45Β°C
Self-Discharge Rate≀3% / month
Cycle Lifeβ‰₯500 cycles @ β‰₯80% capacity
CertificationCE / UN38.3 / RoHS

Applications

Device CategoryTypical Use Cases
πŸ“± Tablets & E-ReadersAndroid tablets, e-ink readers, learning pads
πŸ–₯️ POS & Handheld TerminalsPayment terminals, barcode scanners, data collectors
πŸ”‹ Portable Power BanksCompact power packs, emergency chargers
πŸ€– Robotics & Smart DevicesDesktop robots, programmable toys, smart speakers
πŸ₯ Medical EquipmentPortable monitors, infusion pumps, diagnostic tools
πŸ” Security SystemsSmart door locks, portable alarm units
πŸ“‘ Communication DevicesHandheld radios, field communication terminals

Quality Assurance

Every battery cell undergoes multi-stage inspection and electrical testing before shipment:

Test ItemStandard
Capacity Verification100% units tested β‰₯ rated capacity
Open Circuit VoltageOCV β‰₯ 3.85V before shipment
Internal Resistance≀ 120mΞ©
Dimensional CheckΒ±0.2mm tolerance
Appearance InspectionZero defect tolerance
Safety TestShort circuit / overcharge / crush / nail penetration
Cycle Endurance500-cycle test (batch sampling per IEC 62133)

OEM & Custom Battery Solutions

We support full-spectrum customization for device manufacturers, brand owners, and system integrators:

  • Custom Dimensions – Adjust width, length & thickness to fit your enclosure exactly
  • Capacity Range – 2000mAh ~ 6000mAh for similar form factors
  • Connector & Wiring – JST-PH 2.0, Molex, ZH 1.5, XT30, bare leads, custom cable length & routing
  • PCM / BMS Options – Standard single-cell PCM or multi-cell BMS with fuel gauge IC (e.g., TI BQ27XXX)
  • Branding & Packaging – Private label, logo printing, color shrink wrap, retail box
  • MOQ – 100 pcs standard models | 500 pcs full OEM customization

Why Choose Us

  • 🏭 12+ years specialized in lithium polymer battery R&D and manufacturing
  • πŸ”¬ In-house electrochemical lab with automated formation, grading & aging equipment
  • πŸ“‹ ISO 9001 certified β€” consistent process quality from raw material to finished cell
  • ✈️ UN38.3 certified β€” supports DHL / FedEx air express, sea freight & courier worldwide
  • 🌍 Trusted by 1,000+ customers in 60+ countries across EU, North America & Southeast Asia
  • πŸ“ Engineering support for custom battery pack design and BMS integration
  • πŸš€ Sample lead time: 3–5 business days
  • πŸ“¦ Bulk order lead time: 7–15 business days

πŸ’¬ Tell us your device model, enclosure dimensions, or runtime requirement β€” our battery engineers will recommend the optimal cell or design a custom solution tailored to your product.

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