BAK Battery unveils RoPower Series to power humanoids, advanced robotics

Shenzhen, China-based battery and robotics power company BAK Battery announced the launch of its new RoPower Series.

The company describes the RoPower Series as a next-generation power technology engineered to meet the surging energy demands of advanced robotics, including humanoids.

Tailored power technologies for expanding capabilities

BAK Battery said its new RoPower Series arrives at a critical moment in the robotics movement, offering higher energy density, faster charging and greater durability to drive smarter, longer, and more capable robots.

In conjunction with these advanced robotic systems, another critical challenge has arisen in power consumption. Smarter AI, more complex sensor fusion, and extended uninterrupted operation are placing unprecedented demands on the robot’s power system.

BAK Battery said the RoPower Series delivers a more powerful and reliable kinetic energy offering for the robotics industry.

“Every 1Wh/kg gain in energy density or 0.1C improvement in charging doesn’t just enhance performance - it unlocks new realms of possibility,” said Liu Zhibo, executive vice president of BAK Battery. “At BAK, we’re committed to understanding the evolving needs of the robotics industry and expanding our battery family to support scalable, real-world applications. We are not just powering robots, but energizing global industrial progress.”

Three new robot battery offerings

BAK Battery highlighted the following offerings as part of its RoPower Series.

• RoPower18650-30D for high-intensity performance
  • BAK Battery said this offering is ideal for outdoor operations and high-intensity logistics. The company said the cell delivers instant power when it matters most. Featuring a tabless design, it reduces internal resistance by 70% to under 5mΩ, boosts discharge capability by 100% and lowers temperature rise by 30%. With a 50A ultra-high discharge rate, it supports dynamic movements like climbing and jumping without lag. Recharge from 10% to 80% in nine minutes - combining high power and fast recharge for maximum uptime.
• RoPower21700-65E for long-lasting endurance
  • The company said this model is designed for extended operations such as patrolling and home assistance. It increases runtime by up to 30%, thanks to a volumetric energy density of 928Wh/L and gravimetric density of 315Wh/kg. Its low internal resistance (<8mΩ) and 4C discharge rate ensure efficient output, while a wide operating temperature range (-30°C to 60°C) and 12 safety certifications make it reliable in challenging settings.
• RoPower4695-330B for extreme conditions and uncompromised safety
  • Built for harsh and unpredictable environments, BAK Battery said this power cell combines high energy density (280Wh/kg) with an ultra-long cycle life of 2,000 charges. A 15-minute fast recharge minimizes downtime. Safety is reinforced with tabless technology, maintaining internal resistance below 0.8mΩ to prevent overheating, alongside multi-level protection features including zero thermal spread.

BAK Battery said it has developed a versatile product matrix - fine-tuning power output, capacity and safety to match varying operational demands.