Li-Ion Batteries

Power your devices with high-quality Li-Ion batteries, from single cells to advanced battery packs built with Molicel and Panasonic cells. Designed for efficiency and longevity, some packs are built in parallel configurations to offer greater capacity, providing extended run times for demanding applications. PCB-protected options help prevent overcharge, over-discharge and short circuits, ensuring safe and reliable performance. We also stock a small range of Li-Ion chargers, designed for batteries with barrel plug connections, making recharging simple and efficient.

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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.
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800mAh 3.7V 14500 Li-Ion Battery (Single Cell) £2.89
- 800mAh capacity delivers reliable power for lightweight and compact devices.
- 14500 size compact 50 x 15mm design fits space-limited setups.
- Li-Ion chemistry ensures high energy density and long-lasting performance.
- Bespoke packs available custom-built to specifications at our UK facility.
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800mAh 7.4V 2S Config 2 14500 Li-Ion Battery £8.99
- 800mAh 7.4V power provides reliable energy for small RC models.
- 14500-sized cells durable construction ensures consistent, long-lasting performance.
- Flat 2-cell design fits easily into space-limited battery compartments.
- Compact and lightweight reduces strain on models, improving agility.
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1000mAh 3.2V 18500 LiFePO4 Battery (Single Cell) £3.49
- 1000mAh capacity: Provides reliable and long-lasting power for devices.
- LiFePO4 chemistry: Safer, stable and less prone to overheating.
- Compact size: 18500 sized (50 x 18mm) fits tight spaces with ease.
- Bespoke packs available: Custom solutions built to your unique specifications.
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1000mAh 6.4V 2S Config 2 18500 LiFePO4 Battery Price range: £11.78 through £12.78
1000mAh capacity delivers reliable power for demanding RC applications.

LiFePO4 chemistry ensures safety, thermal stability, and extended battery life.

Flat configuration fits neatly into tight and compact RC setups.

Popular 18500 cells combine compact dimensions with robust energy output.
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1000mAh 6.4V 2S Config 3 18500 LiFePO4 Battery Price range: £11.78 through £12.78
1000mAh capacity delivers dependable power for various RC applications.

LiFePO4 chemistry ensures safety, thermal stability and longer cycle life.

Compact 18500 cells fit tight spaces in lightweight RC models.

Versatile use ideal for RC cars, drones and planes.
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1500mAh 3.7V 18500 Li-Ion Battery (Single Cell) £2.99
- 1500mAh capacity provides long-lasting power for various applications.
- Popular 18500 size balances compact dimensions with excellent energy storage.
- Trusted quality and reliable performance.
- Bespoke packs available custom-built to specifications at our UK facility.
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1500mAh 7.4V 2S 18500 Li-Ion Battery Price range: £10.99 through £11.99
- 1500mAh & 7.4V power: Reliable energy for lightweight RC models.
- Li-Ion chemistry: Safe, longer-lasting and compact cells.
- Flat 2-cell design: Fits easily into space-limited RC models.
- JST-XH balance connector: Ensures even charging for longer battery life.
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2000mAh 3.7V 18650 Li-Ion Battery (Single Cell) £3.49
- 2000mAh capacity provides long-lasting power for various applications.
- Popular 18650 size ensures compatibility with a wide range of devices.
- Li-Ion chemistry offers high energy density and efficient performance.
- Bespoke packs available tailored to unique requirements at our UK facility.
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2000mAh 7.4V Config 2 Flat Li-Ion 18650 Battery £11.99
- 2000mAh & 7.4V power: Delivers reliable energy for extended RC performance.
- Flat 2-cell design: Compact layout fits tight battery compartments easily.
- Li-Ion chemistry: Lightweight, long-lasting, with improved safety and efficiency.
- JST-XH balance connector: Ensures balanced charging to extend battery lifespan.
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2000mAh 7.4V 2S Config 3 18650 Li-Ion Battery £11.99
- 2000mAh & 7.4V power: Delivers reliable energy for lightweight RC models.
- Slim Config 3 design: End-to-end cells fit narrow compartments easily.
- Li-Ion chemistry: Lightweight, long-lasting and efficient for RC applications.
- JST-XH balance connector: Ensures balanced charging for extended battery life.
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2000mAh 11.1V 3S Flat 18650 Li-Ion Battery £22.99
- 2000mAh & 11.1V power: Provides consistent, long-lasting energy for RC models.
- Li-Ion chemistry: Lightweight design with improved safety and extended lifespan.
- Flat 3-cell configuration: Space-saving design fits compact battery compartments easily.
- JST-XH balance connector: Maintains cell balance during charging, extending battery life.
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Panasonic 2040mAh 3.7V 18500 Li-Ion Battery (Single Cell) £8.99
- 2040mAh capacity provides long-lasting power for various applications.
- Popular 18500 size balances compact dimensions with excellent energy storage.
- Panasonic branded ensures trusted quality and reliable performance.
- Bespoke packs available custom-built to specifications at our UK facility.
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Panasonic 2040mAh 7.4V 2S Config 2 18500 Li-Ion Battery Price range: £22.99 through £23.99
- 2040mAh & 7.4V power delivers reliable energy for RC applications.
- Panasonic cells ensure long-lasting performance and trusted quality.
- 18500 cells provide high energy density with stable output.
- End-to-end compact design allows easy installation in tight spaces.
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Panasonic 2040mAh 7.4V 2S Config 3 18500 Li-Ion Battery Price range: £22.99 through £23.99
2040mAh & 7.4V power delivers reliable energy for RC applications.

Panasonic cells ensure long-lasting performance and trusted quality.

18500 cells provide high energy density with stable output.

End-to-end compact design allows easy installation in tight spaces.
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Panasonic 2040mAh 11.1V 3S Flat 18500 Li-Ion Battery £21.58
- 2040mAh & 11.1V power delivers reliable energy for RC applications.
- Panasonic cells ensure long-lasting performance and trusted quality.
- 18500 cells provide high energy density with stable output.
- Flat, compact design allows easy installation in various models.
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2200mAh 3.7V 18650 Li-Ion Battery (Single Cell) £6.98
- 2200mAh capacity delivers reliable, long-lasting power for various applications.
- Popular 18650 size compact, versatile, and widely compatible for devices.
- Trusted quality ensures performance and dependable durability.
- Bespoke packs available custom-built to specifications at our UK facility.
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2200mAh 7.4V 2S Config 2 18650 Li-Ion Battery Price range: £17.99 through £18.98
- 2200mAh & 7.4V power delivers reliable energy for RC applications.
- Long-lasting performance and trusted quality.
- 18650 cells provide high energy density with stable output.
- Flat, compact design allows easy installation in various models.
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2200mAh 7.4V 2S Config 3 18650 Li-Ion Battery Price range: £17.99 through £18.98
- 2200mAh & 7.4V power delivers reliable energy for RC applications.
- Long-lasting performance and trusted quality.
- 18650 cells provide high energy density with stable output.
- End-to-end compact design allows easy installation in tight spaces.
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2600mAh 3.7V 18650 Li-Ion Battery (Single Cell) £7.39
- 2600mAh capacity provides reliable, long-lasting power for various applications.
- Popular 18650 size compact 65 x 18mm design fits many devices.
- Trusted quality ensures safety and dependable performance.
- Bespoke packs available custom-built to specifications at our UK facility.
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2600mAh 3.7V 1S 18650 Li-Ion Battery with PCB Protection £8.69
- 2600mAh & 3.7V power delivers reliable energy for FPV and RC.
- Long-lasting performance and dependable efficiency.
- PCB protection prevents overcharging, over-discharging, and short circuits.
- XT60 and barrel plug provide easy connection and charging options.
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2600mAh 7.4V 2S Config 2 18650 Li-Ion Battery Price range: £18.49 through £19.49
- 2600mAh & 7.4V power delivers reliable energy for RC applications.
- Long-lasting performance and trusted quality.
- 18650 cells provide high energy density with stable output.
- Flat, compact design allows easy installation in various models.
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2600mAh 7.4V 2S Config 3 18650 Li-Ion Battery Price range: £18.49 through £19.49
- 2600mAh & 7.4V power delivers reliable energy for RC applications.
- Long-lasting performance and trusted quality.
- 18650 cells provide high energy density with stable output.
- End-to-end compact design allows easy installation in tight spaces.
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2600mAh 7.4V 2S Config 2 18650 Li-Ion Battery with PCB Protection £18.49
- 2600mAh & 7.4V power delivers reliable energy for RC applications.
- Long-lasting performance and trusted quality.
- PCB protection prevents overcharging, over-discharging and short circuits.
- 18650 cells provide high energy density with stable output.
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