Guangzhou Serui Battery Technology Co,.Ltd
                                                                                                           
Verified Supplier
18 Years
Since 2008
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3.7V 4000mAh Lithium Polymer Battery for Power Tools - 6x60x90mm Size, 500+ Cycle Life

Price Negotiable
Price: Negotiable
MOQ: 3000PCS
Delivery Time: 20 work days
Brand: SER or OEM
Product Description
Technical Specifications
Parameter Specification
Battery Technology Lithium Polymer Battery / Lipo battery
Nominal Voltage 3.7V
Nominal Capacity 1900mAh (at +20°C @0.2C discharge)
Discharge Cut off Voltage 2.7V
Charge Cut off Voltage 4.2V
Standard Charge Current 0.2C
Rapid Charge Current 1C
Standard Discharge Current 0.2C
Max Discharge Current 1C
Operating Temperature (Charging) 0℃ ~ 55℃
Operating Temperature (Discharging) -20℃ ~ 65℃
Storage Condition Temperature ≤ 30℃ Humidity ≤ 75%RH
Dimension 6*60*90mm
Weight 85g
Key Features
  • High energy density and capacity with lightweight design
  • No memory effect and stable operating voltage
  • Wide operating temperature range from -20℃ to 65℃
  • Three safety charge/discharge protections
  • Long cycle life exceeding 500 cycles with fast charging capability
  • Low self-discharge rate for excellent energy retention
  • High voltage output ideal for building power packs
  • Environmentally-friendly and compliant with UN38.3 and RoHS standards
  • OEM/ODM customization options available
Applications
Power Tools & Industrial Equipment

Specifically designed for power tools, battery-operated equipment, and industrial applications requiring reliable, high-performance power sources.

Consumer Electronics

Portable DVDs, laptop computers, mobile phones, Bluetooth devices, MP3/MP4 players, PDAs, and audio-visual equipment.

Specialized Applications

RC planes, power-driven toys, battery-operated bicycles/cars, miner's lamps, and communications equipment.

Product Images
3.7V 4000mAh lithium polymer battery for power tools High capacity rechargeable battery with custom PCM/PCB options Battery with wire and connector customization for specific requirements
Quality Assurance

Our manufacturing facilities are ISO9001 certified and meet military specifications. We maintain a fully equipped testing center to ensure all products meet rigorous quality standards before shipment.

Certifications & Standards
Company certifications including ISO9001 and military standards
Manufacturing Excellence
Modern production workshop with advanced drying systems Automatic voltage test machine for quality control
Packaging & Shipping

Lead Time: 3-20 working days for standard orders

Packaging Options: Tray bulk, Blister card, PVC shrink, Gift-Box, Nude packing, OEM packing

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangzhou Serui Battery Technology Co,.Ltd
Location F6, Dezhi Creative zone A area,Dashi town,panyu district,Guangzhou city,Guangdong province
Contact Person Eric Shi

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