AS18650-2000 3.7V 2000mAh 18650 Battery
3.7V 2000mAh 18650 rechargeable lithium-ion battery with low internal resistance (≤40mΩ). Ideal for flashlights, Bluetooth speakers, and low-power IoT devices. OEM customization available.
Shop high-quality cylindrical lithium batteries from A&S Power. Our cylindrical battery range includes 18650 lithium-ion cells (3.7V, 2000mAh to 10400mAh) and multi-cell packs (7.4V, 11.1V), plus LiFePO4 cylindrical cells in 26650 (3.2V 5000mAh), 32700 (3.2V 6000mAh), and 32140 (3.2V 15Ah) formats. Ideal for power tools, portable electronics, solar storage, UPS, and custom battery pack assembly. All products are CE, RoHS, and UN38.3 certified with full documentation for global shipping. OEM/ODM custom solutions available — contact our engineering team for a tailored quote.
Showing 1–16 of 21 results

3.7V 2000mAh 18650 rechargeable lithium-ion battery with low internal resistance (≤40mΩ). Ideal for flashlights, Bluetooth speakers, and low-power IoT devices. OEM customization available.

3.7V 2600mAh 18650 rechargeable li-ion battery with 3C discharge (7800mA) and ≤40mΩ internal resistance. Ideal for high-performance flashlights, Bluetooth speakers, and portable electronics. OEM customization available.

High-efficiency 11.1V 2600mAh 18650 battery pack delivering 28.86Wh of stable power. Featuring a universal DC 5.5*2.1 connector and integrated protection circuit, this (71.5mm x 56.5mm x 19.5mm) battery is designed for reliable performance in a wide range of electronic devices, from consumer gadgets to industrial equipment.

Experience reliable power with the AS32140 3.2V 15Ah LiFePO4 battery cell. This high-capacity 48Wh rechargeable cell is designed for long-lasting performance and safety. Ideal for DIY battery packs, solar energy storage, and industrial applications.

Upgrade your power systems with the AS26650, a premium 3.2V 5000mAh LiFePO4 battery. This high-capacity 26650 cylindrical cell offers exceptional safety and an ultra-long cycle life, making it the ideal choice for solar energy storage, electric vehicles, and high-power flashlights. Robust performance with 16Wh energy density.

Experience reliable power with the AS32700 3.2V 6000mAh LiFePO4 battery cell. This high-capacity 19.2Wh rechargeable cell is designed for long-lasting performance and safety. Ideal for DIY battery packs, solar energy storage, and industrial applications.

Experience reliable power with the AS32700 3.2V 6000mAh LiFePO4 battery cell. This high-capacity 19.2Wh rechargeable cell is designed for long-lasting performance and safety. Ideal for DIY battery packs, solar energy storage, and industrial applications.

High-performance 3.6V 2600mAh 18650 Lithium-ion Battery designed for precision electronics. This pack features an integrated Protection Circuit and NTC Thermistor for advanced temperature monitoring and safety. With a compact form factor and 9.36Wh energy output, it is the ideal power solution for handheld devices, medical equipment, and IoT gadgets.

This AS18650 lithium-ion battery pack features 3.7V, 10400mAh (38.48Wh) and compact dimensions of 68.5×38.5×38.5mm. Equipped with built-in PCM protection, NTC thermistor, 24AWG wires and ZHR-3P connector, it prevents overcharging, over-discharging and overheating. Wrapped in durable blue shrink tubing, it suits medical devices, consumer electronics, smart home gear, industrial tools and DIY projects. Custom OEM & ODM services for connectors, capacity, cables and brand labels are available.

Compact and powerful 7.4V 1800mAh AS18650 Lithium-ion Battery delivering 13.32Wh of energy. Featuring a robust protection circuit and high-current 20AWG wires, this battery is engineered for devices requiring reliable power in a slim, cylindrical form factor. Ideal for portable electronics and DIY projects.

Powerful 3.7V 2600mAh AS18650 rechargeable lithium-ion battery offering 9.62Wh of reliable energy. Ideal for high-drain devices like LED flashlights, portable fans, and DIY power packs. OEM/ODM services available for custom battery pack assembly, including wires, connectors, and PCB integration.

Power your devices with the AS18650 3.7V 2200mAh rechargeable Lithium-ion Battery pack. This 8.14Wh protected battery comes complete with wires and a 2-pin connector, making it an ideal, ready-to-use power source for a wide range of consumer electronics and portable devices.

Upgrade your device’s power with this 3.7V 5000mAh AS18650 battery pack. Delivering 18.5Wh of high-density energy, this rechargeable battery features an integrated protection circuit for safety and a standard ZHR-2P connector for easy installation. Its compact, flat design (68.5mm x 38.5mm x 19.5mm) makes it the perfect replacement or upgrade for consumer electronics and DIY projects requiring long-lasting power.

Power your devices for longer with this robust 3.7V 7500mAh AS18650 Lithium-ion Battery. Delivering 27.75Wh of energy, this rechargeable lithium battery features a built-in protection circuit for enhanced safety. With a compact footprint (68.5mm x 56.5mm x 19.5mm) and a standard ZHR-2P connector, it is the ideal drop-in replacement for portable electronics requiring reliable, high-capacity power.

Premium 3.7V 8400mAh rechargeable Lithium-ion Battery pack delivering 31.08Wh of high-density energy. This robust power solution features integrated safety protection and an NTC thermistor for precise temperature monitoring. Housed in a compact, flat form factor (68.5mm x 56.5mm x 19.5mm) and equipped with a ZHR-3P connector, it is engineered for long-lasting performance in demanding portable applications.

Upgrade your high-performance devices with the AS704060 7.4V 1800mAh Lithium-ion Battery. Unlike standard 3.7V cells, this 2S (Series) battery pack delivers 13.32Wh of energy at a higher voltage, making it ideal for power-hungry electronics requiring extra torque or specific voltage inputs. Featuring a robust Protection Circuit Module (PCM) and heavy-duty UL3239 22AWG wires, this battery ensures safe, stable, and long-lasting power for everything from RC toys to industrial handhelds.
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