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{"title":"3.7V 18Ah 4P 21700 Battery Pack Long Lasting Power For E Scooters Power Tools","imgUrl":"https:\/\/img.chinax.com\/nimg\/27\/ae\/dec0307d669e19fa447c2afe00ba-200x200-1\/3_7v_18ah_4p_21700_battery_pack_long_lasting_power_for_e_scooters_power_tools.jpg","attrs":{"Brand Name":"MEISAEN","Cell Configuration":"4 Parallel (4P)","Model Number":"21700-18Ah-3.7V","Certification":"UN38.3 MSDS IEC62133 CE ROHS"}}
{"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"}}
This high-performance 3.7V 18000mAh (18Ah) 4P 21700 lithium-ion battery pack is engineered to deliver ultra-high capacity and stable power for high-drain applications, including electric scooters, power tools, and portable energy storage systems. Built with four premium Grade A 21700 cylindrical cells in parallel, this pack balances exceptional runtime, durability, and safety to meet your demanding power needs.
Key Specifications
Parameter
Details
Nominal Voltage
3.7V
Rated Capacity
18000mAh (18Ah)
Rated Energy
66.6Wh
Configuration
4P (4 Parallel) using 21700 cells
Dimensions
42mm × 42mm × 70mm
Cell Type
Grade A 21700 cylindrical lithium-ion cells
Cycle Life
≥ 500 cycles (retains 85% of original capacity)
Protection Features
Overcharge, over-discharge, short-circuit, and over-current protection
Customization
Custom connectors, configurations, and capacities available
Key Features
✅ Ultra-High Capacity for Extended Runtime
With a massive 18000mAh capacity, this 21700 battery pack provides significantly longer runtime than standard packs, making it ideal for applications requiring continuous power without frequent recharges.
✅ Reliable 4-Parallel Configuration
The 4-parallel cell setup boosts total capacity and improves discharge stability, ensuring consistent power output even under high load conditions, preventing performance drops during heavy use.
✅ Comprehensive Safety Protection
The integrated Battery Management System (BMS) safeguards against common risks, including:
Overcharging
Over-discharging
Short-circuiting
Over-current
This multi-layer protection extends battery life and protects your valuable devices.
✅ Long Cycle Life & Durability
Designed to retain 85% of its original capacity after 500 full charge-discharge cycles, this pack offers long-term reliability for daily use and commercial applications.
✅ Versatile Compatibility
Perfect for a wide range of 3.7V applications, including:
Electric scooters and small electric vehicles
Power tools and portable equipment
Energy storage systems and backup power supplies
Portable power stations and camping gear
High-capacity portable electronic devices
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 ...
