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ImageLi-Ion Batteries 4000mAh +
Get high-capacity, long-lasting power with 4000mAh+ Li-Ion batteries, including parallel packs up to 3P for increased energy storage and extended run times. Designed for efficiency and reliability, these batteries come in various shapes and configurations, with a range of connector options to suit different applications. Built for stable power output and long-term performance, they provide a dependable energy solution for high-demand setups.
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5000mAh 7.2V 2S Config 2 21700 Li-Ion Battery £28.99
- 5000mAh & 7.2V power delivers reliable energy for RC applications.
- Built to Overlander’s quality and production standards.
- 21700 cells provide high capacity with stable voltage output.
- Flat, compact design offers a space-saving and lightweight solution.
Out of stock
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4000mAh 14.8V 4S2P Config 25 18650 Li-Ion Battery £34.99
- 4000mAh & 14.8V power provides extended runtime for RC applications.
- 18650 cells ensure high energy density with stable output.
- 4S2P parallel pack doubles capacity while maintaining efficiency.
- Square, compact design offers a space-saving and lightweight solution.
In stock
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4400mAh 7.4V 2S2P Flat 18650 Li-Ion Battery £25.99
- 4400mAh & 7.4V power provides long-lasting energy for RC applications.
- Reliable performance and extended battery lifespan.
- 18650 cells offer high energy density with stable output.
- 2S2P parallel design doubles capacity while maintaining efficiency.
In stock
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4500mAh 3.7V 21700 Li-Ion Battery (Single Cell) £9.98
- 4500mAh capacity provides extended runtime for energy-demanding applications.
- 21700 size offers higher energy density than smaller cell formats.
- Li-Ion chemistry ensures efficient power delivery and long cycle life.
- Bespoke packs available custom-built to specifications at our UK facility.
Out of stock
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4500mAh 7.4V 2S Config 2 21700 Li-Ion Battery £26.99
- 4500mAh & 7.4V power provides extended runtime for RC applications.
- 21700 cells offer higher capacity and improved energy efficiency.
- Flat, compact design ensures easy installation in various models.
- Lightweight build delivers power without adding unnecessary bulk.
Out of stock
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Molicel 5000mAh 3.6V INR21700-P50B Li-Ion Battery £9.98
- High-capacity 5000mAh cell delivering long-lasting power for demanding devices
- INR21700-P50B format ideal for high-drain applications like e-bikes, tools, and battery packs
- Reliable 3.6V nominal voltage with excellent cycle life and performance stability
- Genuine Molicel quality sourced direct from the factory in Taiwan – trusted by professionals for safety and consistency
Out of stock
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Molicel P50B 5000mAh 7.2V 2S1P Flat 21700 Li-Ion Battery £28.99
- 5000mAh & 7.2V power delivers reliable energy for RC applications.
- Molicel quality ensures long-lasting performance and dependable efficiency.
- 21700 cells provide high capacity with stable voltage output.
- Flat, compact design offers a space-saving and lightweight solution.
Out of stock
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Molicel P50B 5000mAh 10.8V 3S1P Flat 21700 Li-Ion Battery £42.98
- 5000mAh & 10.8V power delivers reliable energy for RC applications.
- Molicel quality ensures long-lasting performance and dependable efficiency.
- 21700 cells provide high capacity with stable voltage output.
- Flat, compact design offers a space-saving and lightweight solution.
Only 2 left in stock
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Molicel P50B 5000mAh 10.8V 3S1P Config 5 21700 Li-Ion Battery £42.98
- 5000mAh & 10.8V power delivers reliable energy for RC applications.
- Molicel quality ensures long-lasting performance and dependable efficiency.
- 21700 cells provide high capacity with stable voltage output.
- Design offers a space-saving and lightweight solution.
Out of stock
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Molicel P50B 5000mAh 14.4V 4S1P Flat 21700 Li-Ion Battery £56.99
- 5000mAh & 14.4V power delivers reliable energy for RC applications.
- Molicel quality ensures long-lasting performance and dependable efficiency.
- 21700 cells provide high capacity with stable voltage output.
- Flat, compact design offers a space-saving and lightweight solution.
Out of stock
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Molicel P50B 5000mAh 14.4V 4S1P Square 21700 Li-Ion Battery £56.99
- 5000mAh & 14.4V power delivers reliable energy for RC applications.
- Molicel quality ensures long-lasting performance and dependable efficiency.
- 21700 cells provide high capacity with stable voltage output.
- Square, compact design offers a space-saving and lightweight solution.
Out of stock
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Molicel P50B 5000mAh 14.4V 4S1P Config 9 21700 Li-Ion Battery £56.99
- 5000mAh & 14.4V power delivers reliable energy for RC applications.
- Molicel quality ensures long-lasting performance and dependable efficiency.
- 21700 cells provide high capacity with stable voltage output.
- Config 9, compact design offers a space-saving and lightweight solution.
Out of stock
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5200mAh 3.7V 1S2P Flat 18650 Li-Ion Battery with PCB Protection £18.49
- 5200mAh & 3.7V power delivers long-lasting energy for RC use.
- Reliable performance and extended cycle life.
- PCB protection prevents overcharging, over-discharging and short circuits.
- 1S2P parallel design doubles capacity while maintaining 3.7V output.
Only 5 left in stock
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5200mAh 7.4V 2S2P Flat 18650 Li-Ion Battery £35.99
- 5200mAh & 7.4V power provides extended runtime for RC applications.
- Reliable performance and long-lasting efficiency.
- 18650 cells offer high energy density with stable voltage output.
- 2S2P parallel design doubles capacity while maintaining consistent power.
In stock
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5200mAh 7.4V 2S2P Flat 18650 Li-Ion Battery with PCB Protection £34.99
- 5200mAh & 7.4V power provides extended runtime for RC applications.
- Reliable performance and long-lasting efficiency.
- PCB protection prevents overcharging, over-discharging and short circuits.
- 2S2P parallel design doubles capacity while maintaining stable output.
In stock
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5200mAh 7.4V 2S2P Config 9 18650 Li-Ion Battery with PCB Protection £34.99
- 5200mAh & 7.4V power delivers extended runtime for RC applications.
- Reliable performance and long-lasting efficiency.
- PCB protection prevents overcharging, over-discharging and short circuits.
- 2S2P parallel design doubles capacity while maintaining stable output.
Only 5 left in stock
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5200mAh 11.1V 3S2P Config 16 18650 Li-Ion Battery £52.99
- 5200mAh & 11.1V power delivers extended runtime for RC applications.
- Reliable performance and long-lasting efficiency.
- 18650 cells provide high energy density with stable output.
- 3S2P parallel design doubles capacity while maintaining efficiency.
In stock
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5200mAh 11.1V 3S2P Config 16 18650 Li-Ion Battery with PCB Protection £48.98
- 5200mAh & 11.1V power delivers extended runtime for RC applications.
- Reliable performance and long-lasting efficiency.
- PCB protection prevents overcharging, over-discharging and short circuits.
- 3S2P parallel design doubles capacity while maintaining stable output.
Only 3 left in stock
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5200mAh 14.8V 4S2P Config 25 18650 Li-Ion Battery £68.99
- 5200mAh & 14.8V power delivers extended runtime for RC applications.
- Reliable performance and long-lasting efficiency.
- 18650 cells provide high energy density with stable output.
- 4S2P parallel design doubles capacity while maintaining efficiency.
In stock
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5200mAh 14.8V 4S2P Config 25 18650 Li-Ion Battery with PCB Protection £68.99
- 5200mAh & 14.8V power delivers extended runtime for RC applications.
- Reliable performance and long-lasting efficiency.
- PCB protection prevents overcharging, over-discharging and short circuits.
- 4S2P parallel design doubles capacity while maintaining stable output.
In stock
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6400mAh 7.4V 2S2P Flat 18650 Li-Ion Battery £27.98
- 6400mAh & 7.4V power provides extended runtime for RC applications.
- 18650 cells ensure reliable performance with stable voltage output.
- 2S2P parallel design doubles capacity while maintaining efficiency.
- Flat, compact design offers a space-saving and lightweight solution.
In stock
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6400mAh 7.4V 2S2P Square 18650 Li-Ion Battery £27.98
- 6400mAh & 7.4V power delivers long-lasting energy for RC applications.
- 18650 cells provide high energy density with stable voltage output.
- 2S2P parallel design doubles capacity while maintaining efficiency.
- Square, compact design offers a space-saving and lightweight solution.
Out of stock
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6400mAh 11.1V 3S2P Config 16 18650 Li-Ion Battery £38.99
- 6400mAh & 11.1V power delivers extended runtime for RC applications.
- 18650 cells ensure high energy density with stable voltage output.
- 3S2P parallel pack doubles capacity while maintaining efficiency.
- Square, compact design offers a space-saving and lightweight solution.
Out of stock
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6400mAh 14.8V 4S2P Config 25 18650 Li-Ion Battery £52.99
- 6400mAh & 14.8V power delivers extended runtime for RC applications.
- 18650 cells ensure high energy density with stable voltage output.
- 4S2P parallel pack doubles capacity while maintaining efficiency.
- Square, compact design offers a space-saving and lightweight solution.
In stock
