This GPE 21700-3S3P lithium-ion battery pack delivers a nominal 11.1V and 15Ah capacity, built from high-performance 21700 cylindrical cells. Certified to KC and IEC62133 standards, it is engineered for reliable, high-drain power across robotics, power tools, medical devices, and portable energy systems.

Designed for a broad range of demanding equipment and consumer products:

• Power tools and high-drain equipment
• Medical devices and testing instruments
• Electric power systems and emergency backup systems
• Smart home appliances and consumer electronics
• Electric vehicles, electric wheelchairs, and boats
• Drones and robot vacuum cleaners
• Uninterruptible power supplies (UPS) and toys

"21700" refers to a cylindrical cell measuring 21mm in diameter and 70mm in length. Compared to older 18650 cells, the 21700 format offers roughly a 35% to 50% increase in volume, translating to higher capacity and higher discharge currents without adding excessive weight.

• 3S (3 Series): Three cells are connected in series to increase voltage (3 cells * 3.7V = 11.1V nominal). A full charge is reached at 12.6V.
• 3P (3 Parallel): Three sets of these 3-cell series strings are connected in parallel to increase current capacity (Ah). If one cell is 5Ah, three in parallel provide 15Ah. This also reduces internal resistance, allowing the battery to handle heavier loads with less heat.

Thanks to the high energy density of 21700 cells and the stable 11.1V output, this pack is highly versatile:

• Advanced Robotics & AGVs: Provides sustained power for motors and servo drives.
• Portable Power Stations & DIY Projects: Ideal for custom power banks, RC hobbies, and off-grid electronics.
• Industrial & Medical Equipment: Reliable backup power for critical devices, testing equipment, and IoT systems.
• Power Tools: The 3P configuration provides enough burst current for high-drain applications.

To ensure maximum cycle life (typically 500–1000+ cycles for quality Li-ion cells), follow these professional guidelines:

1. Charging: Always use a dedicated 3S (12.6V) lithium-ion charger. Never use a charger designed for lead-acid or LiFePO4 batteries.
2. The 80/20 Rule: For daily use, avoid charging to 100% or discharging to 0%. Keeping the battery between 20% and 80% significantly extends its lifespan.
3. Long-Term Storage: If storing for over a month, discharge or charge the battery to approximately 50% (around 11.1V). Store in a cool, dry place. Recharge to 50% every 3 months to prevent cell degradation.

• All-weather applicability (-30~60℃)
• Highly safe battery design technology with advanced electrolyte and separator technology
• Full coverage of battery varieties including cylindrical, polymer, LiFePO4, and energy storage solutions

Experienced R&D team with over 60 engineers and advanced equipment supporting OEM and ODM requirements.

CE, RoHS, BIS, KC, CB, UL, MSDS, UN38.3, and IEC62133 certified.

Shenzhen Gold Power Energy Co., Ltd is a leading battery supplier in China, providing various battery solutions since 2001.