Portable Electronics Li-Ion Battery Packs 18500 3.7V ,1400mAh Lithium Batteries

Features

1. High Energy Density: Optimized capacity-to-size ratio for compact devices.

2. Flat Discharge Curve: Stable voltage output throughout most of discharge cycle.

3. Low Self-discharge: Maintains charge when not in use.

4. No Memory Effect: Can be recharged at any state without capacity reduction.

5. Long Cycle Life: Maintains performance over hundreds of cycles.

Specification

Applications

• Portable Electronics: Flashlights, headlamps, portable speakers

• Medical Devices: Portable monitoring equipment, diagnostic devices

• Power Tools: Compact cordless tools and instruments

• Backup Power: Emergency lighting, security systems

• Consumer Products: Electronic toys, digital cameras, portable audio

• IoT Devices: Wireless sensors, remote monitoring equipment

Warnings & Precautions

Charging

• Use only Li-Ion specific chargers with proper voltage/current regulation

• Never exceed 4.25V charging voltage under any circumstances

• Do not charge at temperatures below 0°C or above 45°C

• Discontinue use if battery becomes hot, swollen, or shows damage during charging

• Always charge in well-ventilated areas

Discharging

• Avoid discharge below 2.5V to prevent irreversible damage

• Do not exceed maximum continuous discharge current of 2800mA

• Monitor battery temperature during high-rate discharge

• Allow battery to cool between high-drain applications

Storage & Handling

• Store at 30-50% state of charge for long-term storage

• Keep in cool, dry environment (20-25°C ideal)

• Use protective cases for loose cells

• Keep away from water and moisture

• Avoid mechanical damage and crushing

Shenzhen Manli Technology Co., Ltd. is a high-tech manufacturing enterprise specializing in the R&D, production, and sales of lithium batteries.
The product portfolio encompasses a wide range of battery types, including high-capacity, low self-discharge, power-type, and high/low-temperature variants. These products are widely utilized in various smart drones, model aircraft, emergency power supplies, lighting fixtures, toys, smart home appliances, and other consumer electronics. The company possesses comprehensive R&D, design, and manufacturing capabilities, a robust quality management system, as well as testing facilities for battery performance and safety compliance. We are fully equipped to meet customers' personalized and diverse needs with tailored solutions, delivering cost-effective and reliable battery products. Our battery products have obtained third-party certifications such as UL, CE, KC, CCC, BIS, CB, PSE, REACH, ROHS, and UN38.3.
We aspire to collaborate with like-minded partners worldwide, leveraging advanced battery technology to strive for a greener, smarter, and more sustainable future.