Square 510 Thread Battery 1.8-4.0V Adjustable with Color Screen USB-C

• Unique Square Profile: Square body design; stands out from traditional round 510 batteries; comfortable grip
• Precision Mechanical Voltage: 1.8V - 4.0V adjustable range with 0.1V fine tuning, match different cartridges perfectly
• Color Display Screen: Clear, colorful screen shows real-time voltage and battery level at a glance
• Standard 510 Thread: Widely compatible with most 510 thread cartridges for broad applicability
• Bottom USB‑C Fast Charging: Convenient Type‑C charging port at the bottom, fast recharge and durable use
• Stable Power Output: Consistent voltage delivery, smooth performance for wholesale retailers and distributors

• CBD & Extract Retailers: Fine voltage adjustment brings optimized flavor for different oil formulas
• Smoke Shop Wholesalers: Special square appearance gives you differentiated product in stores
• Private Label Brands: Great blank base for custom branding and custom color matching
• North American Distributors: Licensed manufacturer support, ready for US B2B wholesale business

• Power On / Off: Press the power button 5 times rapidly
• Voltage Adjustment: Press “+” / “-” button to increase or decrease voltage by 0.1V
• Screen Check: Color screen directly displays current voltage and remaining power
• Charging: Plug USB‑C cable into bottom port for charging
• Safety Lock: Auto shut-off protection to avoid overheating

Source this square 510 adjustable battery directly from our licensed factory. We support full custom service for your wholesale brand:

• Logo Customization: Silk print or laser engraving your brand logo on the housing
• Custom Shell Colors: Custom gradient, matte, or solid color finish as per your request
• Custom Packaging: Design an exclusive gift box, insert card, and outer package
• Flexible MOQ: Support sample orders and bulk wholesale with competitive factory prices

• Q: What is the voltage adjustment step?
  A: This square 510 battery supports 0.1V incremental adjustment from 1.8V to 4.0V, ultra-fine power tuning.
• Q: Can I get samples before bulk order?
  A: Yes, sample testing is available. We suggest you test samples first for quality and compatibility.
• Q: What customization options can you offer?
  A: Custom logo printing, custom housing color, and custom packaging. Our team can provide a mock-up before mass production.
• Q: Are you a licensed manufacturer?
  A: Yes, we are a licensed production factory with stable quality control and stable lead times for bulk wholesale.