3.7V 4400mAh Rechargeable Li-ion Battery Pack for Outdoor Lights, Toys, GPS, Speakers, Fire Alarm

Introducing our Rechargeable 4400mAh Battery Pack! This high-performance lithium-ion pack is composed of 2 balanced 2200mAh cells, providing a total capacity of 4400mA. The cells are connected in parallel and spot-welded to a protection circuit that offers over-voltage, under-voltage, and over-current protection. The battery pack is compatible with all 3.7V - 4400mAh 2x18650 and JST-PH2.0mm 2-pin female plugs, as shown. The dimensions are 2.7" x 1.5" x 0.71" and it weighs 3.3oz. The connector is a JST-PH2.00 2-Pin Female Plug and it has a max charging rate of 1A and a max discharge rate of 2.2A.

Key Features: - Rechargeable 4400mAh Battery Pack - 3.7V - 4400 mAh - 16.28Wh - 1S2P, Lithium-Ion battery pack - JST-PH2.0mm 2-pin female interface connector

High Performance: Our 16.28Wh high-performance rechargeable Li-ion battery pack can deliver stable and safe power supply output at 0.2C, resulting in longer discharge time.

Protection-PCB: The battery pack is equipped with a built-in PCB-FR-1 with IC-S8261DAX, providing over-charge and over-discharge protection, operating temperature control, over-current protection, and short circuit protection.

No Memory Effect: The Li-ion batteries have no memory effect after the initial charge.

High Energy Density: Assembled with advanced technology, our battery pack offers a high energy density of 162 Wh/kg.

Low Self Consumption: Our battery pack is excellent for standby and consumes less than 0.08mV/h. The remaining capacity after one year of storage is at least 85%. We recommend charging and discharging once every six months.

Usage: Our battery pack is suitable for a wide range of applications, including outdoor lighting, speakers, GPS devices, fire alarms, toys, FM radios, and more.

Safe Handling Instructions: Please ensure that the lithium battery is not left in extremely cold or hot places, and is always kept away from children.

Quality Assurance: Our suppliers are certified by CE, Rohs, UL, IEC62133, and UN38.3, and follow strict testing procedures to provide a reliable battery for an extended period of time.

Manual: For more technical specifications, warnings, warranty, and liability information, please refer to the battery pack manual on our website.

After-sales Service: If you have any questions, please don't hesitate to contact us. Our technical team will respond as soon as possible.

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