3.7V 2000mAh Lithium-ion Rechargeable Battery Pack for Speaker and Dashcam

Key Specifications

• Device Polarity Matching: Ensure that device polarity matches the battery pack connector to avoid shortages. This product is not universal.
• Battery Size: 34.5 x 56 x 10.6 mm (1.36 x 2.2 x 0.41 inch)
• Connector Model & Size: Check the compatibility with your device to avoid mismatches.
• Connector Polarity: Not universal. Proper matching is crucial.

Basic Info

• Voltage: 3.7V
• Typical Capacity: 2000mAh
• Minimum Capacity: 1900mAh
• Weight: 40g
• Battery Size (WxLxH): 34.5 x 56 x 10.6 mm / 1.36 x 2.2 x 0.41 inch

Reliable Performance

• No Leaking: Ensures a safe and dependable experience.
• Excellent Cost Performance: Offers great value for money.
• Long Cycle Life: Designed to last.
• PCM Protection Function:
• Overcharge protection
• Overdischarge protection
• Overcurrent protection
• Short-circuit protection
• Overtemperature protection

Certifications

• UN 38.3 Compliant: Meets stringent international safety standards.
• UL Certified: More than 400 EEMB batteries are UL certified. For complete information, search "MH20555" on UL.

Quality Service

• Customer Support: Contact us via Amazon message for any questions or concerns. We will respond within 24 hours.

Storage & Application

• Charging: Store cells at 40%-60% charge during long-term storage.
• Monthly Maintenance: Charge the battery every 3 months after receipt to maintain the voltage between 3.7-4.0V.
• Environment: Keep batteries in a cool, dry place.
• Compatibility: Suitable for Bluetooth speakers, dash cams, keyboards and mice, Wi-Fi smart home systems, PDAs, digital cameras, GPS, e-books, tracking devices, blood oxygen monitoring equipment, pulse monitors, wireless devices, and IoT applications.