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{"title":"7.4V 21700 Lithium Battery 20000mAh High Capacity For Robotics DIY Power","imgUrl":"https:\/\/img.chinax.com\/nimg\/a9\/f0\/1781ec68f7316d0c80c4ae421543-200x200-1\/7_4v_21700_lithium_battery_20000mah_high_capacity_for_robotics_diy_power_projects.jpg","attrs":{"Place of Origin":"Shenzhen, China","Model Number":"21700-20000mAh-7.4V","Payment Terms":"T\/T","Brand Name":"MEISAEN"}}
{"title":"8000mAh 3.7V 1S2P 21700 Lithium Battery With High Rate Discharge Large Capacity","imgUrl":"https:\/\/img.chinax.com\/nimg\/fa\/fa\/46c2314db680fc11412b630f9aaf-200x200-1\/8000mah_3_7v_1s2p_21700_lithium_battery_with_high_rate_discharge_large_capacity.jpg","attrs":{"Certification":"UN38.3 MSDS IEC62133 CE ROHS","Packaging Details":"carton","Delivery Time":"10-15 days","Dimensions":"Length 42.5mm * Width 21.5mm * Height 710mm"}}
{"title":"74Wh 7.4V 10000mAh Lithium Battery For Portable Devices Small Pumps Fans","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/83\/fb7a671a7be37e0a32465553dd81-200x200-1\/74wh_7_4v_10000mah_lithium_battery_for_portable_devices_small_pumps_fans.jpg","attrs":{"Minimum Order Quantity":"1000PCS","Model Number":"21700-7.4V-10Ah","Payment Terms":"T\/T","Brand Name":"MEISAEN"}}
{"title":"21700 3P Lithium Battery 15000mAh 3.7V For LED Lights Portable Devices","imgUrl":"https:\/\/img.chinax.com\/nimg\/74\/70\/ab80d44e92ff36e352827da4feec-200x200-1\/21700_3p_lithium_battery_15000mah_3_7v_for_led_lights_portable_devices.jpg","attrs":{"Model Number":"21700-15000","Packaging Details":"carton","Brand Name":"MEISAEN","Minimum Order Quantity":"100PCS"}}
{"title":"118.4Wh 16000mAh 7.4V 21700 Lithium Battery For High Demand Devices BMS","imgUrl":"https:\/\/img.chinax.com\/nimg\/4c\/94\/d0db1719f5de8d4e39c128f7a92a-200x200-1\/118_4wh_16000mah_7_4v_21700_lithium_battery_for_high_demand_devices_bms_protected.jpg","attrs":{"Model Number":"7.4V 16000mAh 21700","Payment Terms":"T\/T","Brand Name":"MEISAEN","Minimum Order Quantity":"1000PCS"}}
{"title":"3.7V 8000mAh High Capacity 21700 Lithium Battery Pack 1S2P For LED Floodlights","imgUrl":"https:\/\/img.chinax.com\/nimg\/aa\/ab\/37b479ad31c6cb7c1de5c36469be-200x200-1\/3_7v_8000mah_high_capacity_21700_lithium_battery_pack_1s2p_for_led_floodlights_smart_locks.jpg","attrs":{"Certification":"UN38.3 MSDS IEC62133 CE ROHS","Place of Origin":"Shenzhen, China","Minimum Order Quantity":"1000PCS","Payment Terms":"T\/T"}}
Power your portable devices with this high-performance 21700 7.4V 5000mAh lithium-ion battery pack. Built with premium 21700 cells in a 2S1P configuration, this pack delivers stable 7.4V power with a 5000mAh capacity, making it ideal for a wide range of electronics, from LED lights to small power tools.
Key Features
High-Capacity & Stable Output: 5000mAh nominal capacity at 7.4V (8.4V fully charged) provides long-lasting runtime for your devices.
High-Quality 21700 Cells: Made with ZECA 21700 ternary lithium cells for high energy density and reliable performance.
Integrated Safety Protection: Built-in BMS safeguards against overcharge, over-discharge, overcurrent, and short circuits, ensuring safe operation.
Durable PVC Encapsulation: Blue PVC heat shrink casing offers excellent insulation, moisture resistance, and impact protection.
Wide Operating Temperature: Works reliably from -20℃ to 60℃ during use, and stores safely between 0℃ and 45℃.
Compact Form Factor: Dimensions of 72.19 × 42.51 × 23.14mm make it easy to integrate into various projects and devices.
No Memory Effect: Can be recharged at any level without reducing overall capacity, maintaining consistent performance over time.
Specifications
Parameter
Details
Cell Type
21700 Ternary Lithium-Ion
Configuration
2S1P (2 Series, 1 Parallel)
Nominal Voltage
7.4V
Nominal Capacity
5000mAh
Rated Energy
37Wh
Full Charge Voltage
8.4V
Operating Temperature
-20℃ ~ 60℃
Storage Temperature
0℃ ~ 45℃
Dimensions
72.19 × 42.51 × 23.14 mm
Material
Ternary Lithium
Connector
Red/Black Tinned Wire Leads (customizable)
Common Applications
Perfect for powering a wide range of 7.4V / 8.4V devices:
LED lighting systems and outdoor string lights
Portable speakers and audio equipment
Small power tools and DIY projects
Robotics, automation, and RC vehicles
Medical devices and monitoring tools
Backup power supplies and portable electronics
Safety & Usage Tips
Use only a dedicated 8.4V lithium-ion battery charger with matching polarity to avoid damage.
Do not expose the battery pack to water, high humidity, or extreme temperatures outside the specified ranges.
Keep away from metal objects that could short-circuit the terminals.
If the pack swells, leaks, or emits an unusual smell, discontinue use immediately.
Store in a cool, dry place with a 40-60% charge level for long-term storage.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2016
Total Annual:
2000USD-3000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Shenzhen Meisha New Energy Technology Co., Ltd. is a comprehensive enterprise mainly engaged in industry-customized battery modules, scheme design, research and development, production and marketing, and its technical level is in the leading position in the industry. Established in July 2016 with a ... Shenzhen Meisha New Energy Technology Co., Ltd. is a comprehensive enterprise mainly engaged in industry-customized battery modules, scheme design, research and development, production and marketing, and its technical level is in the leading position in the industry. Established in July 2016 with a ...
