Rechargeable 18650 3.7V 4400mAh 1S2P Li-ion Battery Pack for Outdoor Lights, Toys, GPS, Speakers, Fire Alarm

This lithium-ion battery pack is an excellent choice for your project, boasting a substantial 4400mAh capacity. Composed of two balanced 2200mAh cells connected in parallel, it offers a total capacity of 4400mAh. The cells are spot-welded to a protection circuit that safeguards against over-voltage, under-voltage, and over-current, ensuring reliable and safe performance.

The battery pack is compatible with a variety of devices, including those with 3.7V - 4400mAh 2x18650 and JST-PH2.0mm 2-pin female plugs. Weighing just 3.3 ounces, and measuring 2.7" x 1.5" x 0.71", it is a compact and lightweight solution for your power needs.

The battery pack is a high-performance, rechargeable lithium-ion model with a capacity of 16.28Wh. Its 1S2P configuration allows for a stable and safe power supply output at 0.2C, translating to longer discharge times. The built-in PCB-FR-1 with IC-S8261DAX provides comprehensive safety features, such as protection against overcharge, overdischarge, temperature fluctuations, overcurrent, and short circuits.

Lithium-ion batteries are renowned for their lack of memory effect, ensuring consistent performance even after repeated charging and discharging cycles. Furthermore, this battery pack boasts an impressive energy density of 162 Wh/kg, making it a highly efficient power source.

One of the standout features of this battery pack is its low self-consumption, consuming less than 0.08mV/h. This makes it an excellent choice for standby applications, with the remaining capacity after one year of storage being at least 85%. To maintain optimal performance, we recommend charging and discharging the battery once every six months.

This versatile battery pack can be used to power a wide range of devices, including outdoor lighting, speakers, GPS units, fire alarms, toys, and FM radios, among others. However, it is crucial to handle lithium batteries with care, ensuring they are not exposed to extremely cold or hot environments, and keeping them away from children.

The battery pack is backed by rigorous quality assurance, as the manufacturers are certified by CE, Rohs, UL, IEC62133, and UN38.3. They have established strict testing procedures to ensure the reliability and longevity of the product.

For more detailed technical specifications, warnings, warranty information, and liability, please refer to the battery pack manual available on our website. If you have any questions or concerns, our technical team is available to assist you promptly.

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