3.7V 18Ah 4P 21700 Battery Pack Long Lasting Power For E Scooters Power Tools
Basic Properties
Place of Origin:
Shenzhen, China
Brand Name:
MEISAEN
Certification:
UN38.3 MSDS IEC62133 CE ROHS
Model Number:
21700-18Ah-3.7V
Trading Properties
Minimum Order Quantity:
1000PCS
Payment Terms:
T/T
Supply Ability:
100000PCS
Specifications
| Battery Model: | 21700 Lithium Ion Battery Pack | Nominal Voltage: | 3.7 V |
| Rated Capacity: | 18 Ah | Cell Configuration: | 4 Parallel (4P) |
| Full Charge Voltage: | 4.2 V | Built-in Protection: | Integrated BMS Board, Supporting Overcharge, Overdischarge, Overcurrent, Short-circuit And Overtemperature Protection |
| Cycle Life: | ≥500 Cycles (80% Capacity Remaining) | ||
| High Light: | 4P 21700 Battery Pack,3.7V 21700 Battery Pack,18Ah 21700 Battery Pack |
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Product Description
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