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{"title":"2S1P 7.4V 2200mAh 18650 Lithium\u2011ion Battery Pack.","imgUrl":"https:\/\/img.chinax.com\/nimg\/83\/c6\/1df377aa08d1a8fc987b3e8744e0-200x200-1\/2s1p_7_4v_2200mah_18650_lithium_e2_80_91ion_battery_pack.jpg","attrs":{"Certification":"UN38.3","Payment Terms":"T\/T","Delivery Time":"One Week","Supply Ability":"Daily Production Capacity Of 10,000 Pieces"}}
{"title":"18650 16.8V 2600mAh Lithium Battery Pack for Outdoor Backup Power","imgUrl":"https:\/\/img.chinax.com\/nimg\/79\/03\/96610103a72e1c3ce5d56875a601-200x200-1\/18650_16_8v_2600mah_lithium_battery_pack_for_outdoor_backup_power.jpg","attrs":[]}
{"title":"HYS 2S1P 18650 Lithium-ion Battery Pack | 7.4V 2200mAh 16.28Wh for Bluetooth","imgUrl":"https:\/\/img.chinax.com\/nimg\/cd\/20\/cdf105b904c977a6bf99f506d5f8-200x200-1\/hys_2s1p_18650_lithium_ion_battery_pack_7c_7_4v_2200mah_16_28wh_for_bluetooth_speaker.jpg","attrs":{"Model Number":"18650","Minimum Order Quantity":"1000PCS","Packaging Details":"neutral carton packaging","Supply Ability":"Daily Production Capacity Of 10,000 Pieces"}}
{"title":"Combined 18650 lithium battery packs, suitable for backup power supplies.","imgUrl":"https:\/\/img.chinax.com\/nimg\/b7\/f2\/32c62ca7e486498eea860ed97d75-200x200-1\/combined_18650_lithium_battery_packs_2c_suitable_for_backup_power_supplies.jpg","attrs":{"Payment Terms":"T\/T","Packaging Details":"neutral carton packaging","Supply Ability":"Daily Production Capacity Of 10,000 Pieces","Delivery Time":"One Week"}}
{"title":"Replacement Lithium Battery for Power Tools.","imgUrl":"https:\/\/img.chinax.com\/nimg\/82\/1f\/bce432efc54c651b7a344139bba9-200x200-1\/replacement_lithium_battery_for_power_tools.jpg","attrs":{"Certification":"UN38.3","Place of Origin":"ShenZhen","Payment Terms":"T\/T","Delivery Time":"One Week"}}
{"title":"Custom Lithium Ion Battery Pack (3-cell & 4-cell Combinations) Product","imgUrl":"https:\/\/img.chinax.com\/nimg\/d2\/45\/6e4a22e57f2f3ebb9c46340af911-200x200-1\/custom_lithium_ion_battery_pack_283_cell_26_4_cell_combinations_29_product_introduction.jpg","attrs":{"Model Number":"2000-5000mAh","Payment Terms":"T\/T","Certification":"UN38.3","Minimum Order Quantity":"1000PCS"}}
This 2S1P 18650 lithium‑ion battery pack is assembled by two 18650 cells in series configuration, nominal voltage 7.4V, capacity 2200mAh. Finished with blue heat‑shrink casing and equipped with customized multi‑color wire and white plastic connector for direct plug‑in assembly.
As a reliable medium‑capacity cylindrical battery solution, it is widely adopted for portable monitoring equipment, small medical devices, portable speakers, surveillance cameras and various portable consumer electronics. Each battery undergoes strict cell matching, aging test and safety inspection before delivery to guarantee consistent batch performance for B2B bulk orders.
Core Technical Specifications
Item
Parameter
Cell Model
18650
Configuration
2S1P (2 cells in series)
Nominal Voltage
7.4V
Capacity
2200mAh
Outer Cover
Blue PVC heat‑shrink film
Output
Multi‑color lead wire with white plastic connector
Key Product Advantages
Stable Cylindrical 18650 Cell Performance
Adopts Grade‑A 18650 cells with low internal resistance, stable discharge output and long cycle service life. Effectively suppress lithium dendrite growth, reduce swelling and failure risk for long‑time standby operation.
Integrated BMS Multi‑level Safety Protection
Built‑in dedicated protection board, supports over‑charge, over‑discharge, over‑current, short‑circuit and over‑temperature protection. Avoid thermal‑runaway hazards under heavy‑load working conditions.
Ready‑to‑assemble Connector Design
Comes with finished wiring and plug‑and‑play connector, saving customers’ secondary welding cost. Wire length and connector model can be fully adjusted according to device requirements.
Flexible OEM & ODM Customization
Support custom voltage‑combination, wire specification, connector type, surface label printing. Small trial orders for prototype testing and large‑volume mass orders are both acceptable.
Complete Export Certification
Compliant with UN38.3, MSDS, RoHS standards. Full set of shipping documents provided to support smooth sea and air customs clearance for global customers.
Wide Application Scenarios
Portable monitoring & surveillance cameras
Small portable medical equipment
Outdoor portable Bluetooth speakers
Portable inspection instruments
Smart household portable devices
Other 7.4V powered portable electronic products
B2B Factory Service
✅ Factory direct supply with stable production capacity
✅ Strict cell sorting, aging and load testing before shipment
✅ Custom wiring, connector and label OEM service
✅ Engineering technical support for custom solution
Shenzhen Huayousheng Energy Technology Co., Ltd. is a high-tech enterprise integrated with the research & development, production and sales of lithium batteries.
The company was established in Guanlan, Shenzhen in 2013, and moved its production base to Shuikou Subdistrict, Huicheng District, ...
Shenzhen Huayousheng Energy Technology Co., Ltd. is a high-tech enterprise integrated with the research & development, production and sales of lithium batteries.
The company was established in Guanlan, Shenzhen in 2013, and moved its production base to Shuikou Subdistrict, Huicheng District, ...