12V Battery – UltraBoost – Heated Jackets PRO

Enjoy long-lasting warmth with this powerful 12V Lithium Polymer battery from BERTSCHAT®. Specially designed for the heated jackets from the PRO line, with an impressive capacity of 55Wh for up to 16 hours of heat.

Maximum performance for the PRO series

This rechargeable LiPo battery (11.1V – 5,000 mAh) is optimized for BERTSCHAT® heated jackets. Thanks to its high voltage and capacity, it provides consistent warmth even on the highest setting. Ideal for intensive outdoor use during hiking, winter sports or work in cold environments.

Up to 16 hours of warmth

• Battery life up to 16 hours* on the lowest setting
• Consistent power output for stable warmth
• Compact design for easy storage in inner pocket

*Battery life depends on heat setting and ambient temperature.

Compact and user-friendly

With a size of just 11 × 6 × 2.5 cm and a weight barely noticeable during wear, this battery ensures maximum freedom of movement. The included USB-C charging cable allows for fast and convenient charging.

Technical specifications

• Type: 12V Lithium Polymer Battery
• Capacity: 5,000 mAh (1 or 2 × 11.1V – 5,000 mAh)
  • Total power: 55 Wh
  • Dimensions: 11 × 6 × 2.5 cm
• Connection: USB-C (charging cable included)
• Compatibility: Heated Jackets PRO – BERTSCHAT®

Who is it for?

This battery is perfect for professionals working outdoors for extended periods, winter sports enthusiasts seeking maximum autonomy, or individuals with medical conditions such as Raynaud's disease. Combine this battery with your BERTSCHAT® PRO jacket for ultimate warmth and comfort – wherever you are.