Technical Specifications:

• Chemistry: Li-ion

• Nominal Voltage: 14.4V

• Nominal Capacity: 2600mAh

• Nominal Energy: 37.44Wh

• Max Charge Voltage: 16.8V

• Discharge cut off voltage: 11.2V

• Discharging temperature: -20~60℃

• Standard Charging Current: 0.2C

• Max.  Discharging Current: 1C

• Dimension: 7.2*3.7*3.7cm
• Weight: about 210g

Product Overview
Restore your robot vacuum’s cleaning performance with the BAKTH-18650-4S-SHK – a premium 14.4V 2600mAh Li-ion replacement battery pack. Designed to replace original batteries that use a 2‑prong connector, this pack uses a 4S (4 series) configuration with Grade‑A 18650 cells to deliver stable voltage, reliable runtime, and long cycle life. It matches the exact dimensions, connector type, and electrical specifications of the original part – no modification, no soldering. Simply remove the old battery, insert this one, and enjoy a full cleaning cycle again.

Key Features & Benefits

• High-Quality 18650 Cells
  Built with genuine Grade‑A 18650 lithium-ion cells, offering low internal resistance, consistent discharge, and ≥500 cycle life (80% capacity retention). More durable and longer lasting than generic replacement batteries.

• 14.4V 2600mAh – 37.4Wh Energy
  Provides the correct voltage and capacity for full cleaning cycles – typically 90–120 minutes of runtime (depending on vacuum model and suction mode). Enough to cover large homes on a single charge.

• Built‑in Protection Circuit Module (PCM)
  Integrated PCM safeguards against over‑charge, over‑discharge, over‑current, and short circuits. 

• Easy DIY Installation
  Identical dimensions and 2‑prong connector as the original. No soldering, no wire cutting – just pop out the old battery and click in the new one. Fully charged before shipping, ready to use.

Order Now and power your innovations with a trusted energy solution!

About US:

Shenzhen BAKTH Technology Co., Ltd. was established in 2002. For 21 years, it has been dedicated to battery pack assembly and PCM/BMS design and production. It has a 5,000-square-meter self-owned factory equipped with automated production lines and SMT assembly lines.

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• Certificates:
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• FAQ:
• 1. What kind of certificate your battery pack owned?
  Re: ISO9001, ISO14001, UL, BIS, KC, USTC, CE, CB, our battery pack have reliable quality assurance.
  
  2. Do you have MOQ?
  Re: No limitation, we will check the best price for you based on your order quantity. We warmly welcome sample order to test our quality before bulk order.
  
  3. What’s the warranty? How can we guarantee quality?
  Re: Normally will be 12 months, for some special products can be further negotiated accordingly. A complete production process to ensure the quality before shipment.
   
• 4. What’s the lead time?
  Re: Standard products: sample order will be 3~4 weeks based on the battery cell in stock, 5~8 weeks for bulk order according to different models and quantity.
  
  5. Can we have our own Logo on the battery pack? Can you accept customized battery?
  Re: Yes, of course. BAKTH Technology has professional R&D team which could provide you the most suitable solution according to your requirements. Customized battery requirements are warmly welcomed!