Shentec 4000mAh 12V Max Li-ion Replacement Battery for Dremel 8240/8250/8260 | B815-01 B816-01

Power that keeps pace with your projects

The Shentec 4000mAh 12V Max Li-ion replacement battery is designed to step in for Dremel cordless tools when you need reliable, ready power. It offers a practical balance of capacity and performance, helping you complete tasks with fewer interruptions and less downtime.

Compatibility and versatility

This battery is formulated as a drop-in replacement for Dremel models 8240, 8250, 8260, and the B815-01/B816-01 packs. Its form factor is tuned for easy swaps, so you can keep your workflow moving without hunting for adapters or custom fittings.

• Voltage: 12V
• Capacity: 4000mAh
• Type: Li-ion

What you can expect in practice

In real-world use, this battery aims to deliver consistent power across sessions. A higher-capacity Li-ion cell can help extend usage between charges, while the absence of a memory effect supports flexible recharging habits. You may notice smoother operation during longer projects and fewer pauses for battery swaps.

• No memory effect supports flexible recharging
• Low self-discharge helps retain charge when not in use
• Designed to pair with Dremel cordless tools for predictable performance
• CE, FCC, and RoHS certified, with claimed compatibility to originals

Certifications, safety, and practical tips

Certified to meet essential safety and environmental standards, this replacement aims to be a dependable option for DIYers and professionals alike. For best results, store in a cool, dry place and follow your tool manufacturer’s guidance for charging and maintenance. While outcomes can vary with tool load and operating conditions, this battery is intended to provide steady power when you need it most.

Choosing a high-quality Li-ion replacement can help you maintain momentum on crafts, renovations, or intricate projects. Consider this option if you value a reliable power source that fits your Dremel toolkit and supports productive, ongoing work without unnecessary downtime.