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11.1V 7800mAh 3S3P 18650 Lithium Battery Pack for Pool Cleaning Robot

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Lithium Ion Battery , ,

✅ 【Key Features / Benefits】

  • High energy density 18650 lithium cell
  • 3S3P configuration for enhanced capacity and voltage stability
    Built-in PCM/BMS for overcharge, overdischarge, and short-circuit protection
  • Long cycle life (>500 cycles)
  • Lightweight and compact design for easy integration
  • Customizable wiring and connectors

     

enquiry
  • Specifications
  • Product Overview
  • Application Scenarios
  • FAQ
SpecificationDetails
Battery TypeLithium-ion (18650)
Configuration3S3P
Nominal Voltage11.1V
Rated Capacity7800mAh
EnergyApprox. 86.6Wh
Charging Voltage12.6V max
Discharge Cut-off Voltage8.25V
Max Continuous DischargeCustomizable (e.g. 5A, 10A)
Charging MethodCC/CV
Protection CircuitBuilt-in BMS
Cycle Life>500 cycles
Operating Temperature-20°C ~ +60°C
Dimensions (L×W×H)92 mm*67mm*40mm
Weight250 g
Connector TypeXT30 / JST / Custom options

This 11.1V 7800mAh 3S3P 18650 lithium-ion battery pack is engineered for intelligent pool cleaning robots, offering high energy density and long-lasting performance. It combines quality 18650 cells with a custom Battery Management System (BMS) for safe and efficient operation in underwater or humid environments.

With its compact size, light weight, and robust design, this battery is ideal for high-demand aquatic applications where reliability and runtime are critical.

Perfect for use in:

  • Robotic pool cleaners (e.g. Dolphin, Zodiac, Aquabot)

  • Underwater drones and inspection robots

  • Smart water treatment or aquatic automation systems

  • Portable aquatic devices and pumps

This battery is designed to meet the power and runtime demands of modern robotic systems operating in wet or submerged conditions.

Q1: Can this battery be customized for other aquatic devices?
A1: Yes, we offer customization for voltage, capacity, size, and connectors based on your application.

Q2: Is this battery waterproof?
A2: The battery itself can be integrated into waterproof housings. Optional IP-rated sealing and potting are available upon request.

Q3: How long does the 7800mAh battery last in a typical pool robot?
A3: Depending on power consumption, it typically runs 1.5 to 3 hours per full charge.

Q4: Do you provide charging solutions?
A4: Yes, we offer matched lithium battery chargers (12.6V) with smart protection features.

Q5: Is it safe for outdoor use?
A5: Absolutely. The battery is built with a BMS that protects against environmental risks and electrical faults.

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