Every great journey demands a reliable source of power.

The Fieldlume 18650 4000mAh Rechargeable Torch Battery is built to keep your light burning — through the densest forests, the coldest nights, and every uncertain stretch of trail ahead. Supplied as a 2-pack, so you're always ready when the path calls.

Specifications

• Chemistry: Lithium-ion (Li-ion)
• Voltage: 3.7V
• Capacity: 4000mAh
• Size: 18mm diameter × 65mm length (18650 format)
• Charging: USB rechargeable
• Cycle Life: 1500+ charge cycles
• Pack Contents: 2 × batteries

Built-in Protection

• Overcharge protection
• Over-discharge protection
• Over-current protection
• Short-circuit protection

Compatible With

• Fieldlume torches and headlamps designed for 18650 cells
• Bike lights, tactical devices, and other equipment requiring 18650 format batteries

Note: Please verify your device accepts 18650 format batteries before purchasing. Not compatible with devices designed for 21700 cells.