Shenzhen Resky Electronics Co., Ltd.
| Payment Terms | Western Union,T/T |
| Supply Ability | 20000pcs/day |
| Delivery Time | 7-10days |
| Packaging Details | Paper box |
| Standard Voltage | 7.4V |
| Electrolyte | Li(Nicomn)O2 |
| Cell | 18650 Cells |
| Wh | 15W |
| Connector | DC1.35*3.5mm |
| Weight | 222g |
| Cycle Life | 500cycles |
| Shipping | UPS, DHL, FedEx, TNT, by Air, by Sea |
| Specification | 22mm*69mm*87mm |
| HS Code | 8507600090 |
| Certification | CE, RoHS, MSDS, Un38.3 |
| Brand Name | RESKY |
| Model Number | RESKY-7.4-4400 |
| Place of Origin | China |
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Product Specification
| Payment Terms | Western Union,T/T | Supply Ability | 20000pcs/day |
| Delivery Time | 7-10days | Packaging Details | Paper box |
| Standard Voltage | 7.4V | Electrolyte | Li(Nicomn)O2 |
| Cell | 18650 Cells | Wh | 15W |
| Connector | DC1.35*3.5mm | Weight | 222g |
| Cycle Life | 500cycles | Shipping | UPS, DHL, FedEx, TNT, by Air, by Sea |
| Specification | 22mm*69mm*87mm | HS Code | 8507600090 |
| Certification | CE, RoHS, MSDS, Un38.3 | Brand Name | RESKY |
| Model Number | RESKY-7.4-4400 | Place of Origin | China |
| High Light | Rechargeable Heated Lithium Battery ，Heated Lithium Battery 7.4V ，2s2p Li-ion Battery Pack | ||
Heated Lithium Battery 7.4V 2s2p 4400mAh 18650 Rechargeable Li-ion Battery Pack
| Model | 2S2P |
| Nominal voltage | 7.4V |
| Nominal capacity | 4400mAh |
| Size | 22mm*69mm*87mm |
| Max charge current | 0.5C |
| Charging method | Constant current 1C to 8.4V,then charge with constant voltage 8.4V till charge current less than 0.01C |
| Max discharge current | 1C |
| Discharge cut-off voltage | 6V, the over-discharge detection voltage of PCM |
| Operating environment | Charging, 0°C ~ 45°C ; 65±20%RH; Discharging, -20°C~60°C ; 65±20%RH |
| Storage environment | -20°C~45°; 65±20%RH; |
| Lifespan (80% Prime Capacity) | >500times |
| Charging Attention | It is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical, mechanical safety performance. |
Advantages:
Performance in Cold Environments
Enhanced Discharge Capacity: Heated Li - ion battery packs can maintain a better discharge capacity in cold temperatures. In cold weather, the performance of traditional Li - ion batteries can decline significantly. For example, at very low temperatures (such as - 20°C), the capacity of an ordinary Li - ion battery might reduce to less than 50% of its normal capacity. However, a heated Li - ion battery pack can keep its capacity at a much higher level, often around 80 - 90% of the normal capacity. This is because the heating element in the battery pack warms up the battery cells, allowing the electrochemical reactions to occur more efficiently.
Improved Voltage Stability: The voltage output of a heated Li - ion battery pack is more stable in cold conditions. When a traditional Li - ion battery gets cold, its voltage drops rapidly during discharge. In contrast, the heated battery pack can provide a more consistent voltage supply. This is crucial for applications such as electric vehicles, where a stable voltage is required to ensure the proper operation of motors and other electrical systems.
Safety and Longevity
Reduced Risk of Damage: Cold temperatures can cause damage to Li - ion batteries, such as lithium plating on the anode, which can lead to a decrease in battery life and even safety hazards like short - circuits and explosions. Heated Li - ion battery packs mitigate this risk by keeping the battery cells at an appropriate temperature. The heating system helps to prevent the formation of lithium plating and other cold - related damages, thus increasing the safety of the battery pack.
Extended Battery Life: By operating within a more suitable temperature range, the heated Li - ion battery pack can have a longer lifespan. The consistent temperature provided by the heating element slows down the degradation process of the battery. For example, in applications like outdoor power equipment or remote - sensing devices that are frequently exposed to cold environments, using a heated battery pack can significantly extend the number of charge - discharge cycles the battery can endure.
Versatility and Adaptability
Wider Range of Applications: Heated Li - ion battery packs are more versatile and can be used in a broader range of environments. They are suitable for outdoor applications such as in winter sports equipment (like electric snowmobiles or heated ski vests), cold - storage logistics devices (such as pallet trucks in refrigerated warehouses), and remote - area power supplies (in polar regions). These battery packs enable the reliable operation of equipment in cold climates where traditional Li - ion batteries would struggle.
Adaptive to Temperature Fluctuations: The heating system in these battery packs can be designed to adapt to different temperature conditions. Some advanced heated battery packs have temperature - sensing and control mechanisms. They can automatically adjust the heating intensity according to the ambient temperature. For example, in a situation where the temperature varies between - 10°C and - 5°C, the battery pack can adjust the heating level to maintain an optimal operating temperature for the battery cells.
Pictures:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2012
Total Annual:
500000-1000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Shenzhen Resky Electronics Co., Ltd is a company specialized in manufacturing, sales and marketing of rechargeable lithium battery and related battery packs.Our lithium battery cells and packs products are widely used in portable mobile devices such as Bluetooth headsets, MP3 players, PDAs, Digital ... Shenzhen Resky Electronics Co., Ltd is a company specialized in manufacturing, sales and marketing of rechargeable lithium battery and related battery packs.Our lithium battery cells and packs products are widely used in portable mobile devices such as Bluetooth headsets, MP3 players, PDAs, Digital ...
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