
Custom 18650 Lithium Battery Pack 3.7V
High Capacity Rechargeable, for Portable Devices & Industrial Use
$5.00
Key Features:
Nominal Voltage: 3.7V; Charging Voltage: 4.2V (18650 standard)
Cell Capacity: 2600-3500mAh/cell, pack capacity up to 10000mAh+ (customizable)
Cycle Life: 800+ cycles, ≥80% capacity retained after 500 cycles
Temp Range: Discharge -20℃~60℃, Charge 0℃~45℃, Storage -20℃~50℃
Safety Protection: Overcharge/over-discharge/short-circuit/over-current/temperature
Certifications: CE, UL, UN38.3, RoHS (meets international export standards)
Customization: 1S1P~1S10P, size, terminal & wire length customizable

Core Advantages:
Flexible Customization: 1S1P~1S10P configurable, with adjustable size, capacity, terminal and wire length for diverse needs.
Superior Performance: Premium 18650 cells (2600-3500mAh), 800+ cycles, stable 3.7V output, high energy density and durability.
Comprehensive Safety: Multi-layer protection (overcharge, over-discharge, short-circuit, etc.) for safe use in all scenarios.
International Certification: CE/UL/UN38.3/RoHS certified, compliant with international export standards for global markets.
Wide Adaptability: Versatile for consumer electronics, industrial devices, daily use products and more.
Applications:
Consumer Electronics: Portable speakers, power banks, Bluetooth headsets, digital cameras
Industrial Devices: LED lights, sensors, measuring instruments, portable test equipment
Daily Use: Wireless chargers, small household appliances, portable fans
Other: Medical accessories (portable), outdoor electronic devices, custom DIY electronics

Custom 18650 Lithium Battery Pack 3.7V is a high-performance rechargeable solution with premium 18650 cells (2600mAh-3500mAh optional). Customizable in size, capacity and terminals, it provides stable 3.7V (4.2V charging), CE/UL/UN38.3/RoHS certification, and balances energy density, durability and safety for consumer & industrial use.
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