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{"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"}}
Meet your high-capacity, long-runtime power needs with our INR21700-8P 3.7V 32000mAh Lithium-Ion Battery Pack. Built with premium 21700 cells in an 8-parallel configuration, this pack delivers a massive 32000mAh capacity at 3.7V, making it ideal for power-hungry portable devices, outdoor equipment, and backup power solutions.
✨ Key Features
Ultra-High Capacity: 32000mAh nominal capacity at 3.7V (4.2V fully charged), delivering exceptional runtime for your devices.
Advanced Safety Protection: Integrated BMS safeguards against overcharge, over-discharge, overcurrent, and short circuits, ensuring safe and reliable operation.
Supports 0V Charging: Designed to safely charge even if the pack is fully depleted, offering greater flexibility and convenience.
Robust PVC Encapsulation: Durable blue PVC heat shrink casing provides excellent insulation, moisture resistance, and impact protection.
Wide Operating Temperature Range: Works reliably in temperatures from -20℃ to 60℃ during discharge, and 0℃ to 40℃ during charging, suitable for diverse environments.
High Energy Density: Compact dimensions (427084mm) and lightweight design (560g) 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.
Parameter
Details
Model
MR INR21700-8P
Cell Type
21700 Lithium-Ion
Configuration
8P (8 Parallel)
Nominal Voltage
3.7V
Nominal Capacity
32000mAh
Rated Energy
118.4Wh
Full Charge Voltage
4.2V
Cut-off Voltage
2.5V
Charging Temperature
0℃ ~ 40℃
Discharging Temperature
-20℃ ~ 60℃
Protection Features
Overcharge, Over-discharge, Overcurrent, Short Circuit
0V Charging Support
Yes
Dimensions
42 * 70 * 84 mm
Weight
560g
Connector
Red/Black Tinned Wire Leads (customizable)
Common Applications
Perfect for powering a wide range of 3.7V devices requiring high capacity:
Outdoor solar lights, garden lights, and camping equipment
Portable speakers, power banks, and audio systems
Industrial monitoring devices and IoT sensors
Robotics, automation projects, and RC vehicles
Portable medical devices and diagnostic tools
Off-grid backup power supplies and DIY projects
Safety & Usage Tips
Use only a dedicated 4.2V 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 ...
