18.5V Lithium Battery Pack Manufacturer

Jetray is a custom 18.5V lithium battery pack manufacturer based in China. We offer compact, high-quality rechargeable batteries with PVC or plastic casing, suitable for drones, portable tools, robots, medical devices, and other mobile equipment.

We support OEM customization including labels, connectors, shrink wrap, and enclosures—built to match your exact needs.

Key Advantages

• Performance: Stable output, high discharge rate up to 10C, 3000–6000 cycle life

• Structure: Flexible size, IP54–IP67 protection, optional air/water cooling

• Smart BMS: CAN, RS485, Modbus; supports Bluetooth/4G monitoring

• Certifications: UN38.3, MSDS, IEC, KC, RoHS, marine-grade available

• Supply Chain: Fast delivery, bulk production, full export documentation

We focus on compact, reliable, and cost-effective battery designs that exceed expectations in both performance and safety.

Need a stock model? Click the tags below to explore available 18.5V lithium battery packs.