Products & Quality Faqs

Q: What types of batteries does ETESBAY offer?

A: ETESBAY specializes in professional-grade replacement batteries for laptops and power tools. Our product range covers major brands including Dell, HP, Lenovo, Apple, Toshiba, ASUS, and more for laptop batteries, as well as DeWalt, Makita, Bosch, Milwaukee, and other leading power tool brands. We also offer custom OEM solutions for specific requirements.

Q: Are your batteries real capacity? Do you use genuine cells?

A: Yes, absolutely. Every ETESBAY battery is tested for actual rated capacity. We never use B-grade, refurbished, or counterfeit cells. All our products utilize premium-grade lithium-ion cells sourced from reputable manufacturers, and each battery undergoes rigorous quality control testing before shipment.

Q: What certifications do your products hold?

A: All our products are CE, RoHS, and UN38.3 certified. We can also provide MSDS reports for all shipping models to facilitate customs clearance. For specific markets, we offer additional certifications including UL listings. Our compliance team continuously monitors and updates our certification portfolio to meet evolving international standards.

Q: How do you ensure product quality and safety?

A: Quality is our cornerstone. We manage the entire product lifecycle in our Shenzhen facility—from R&D and cell selection through precision assembly and multi-stage quality control. Every battery undergoes capacity testing, voltage verification, thermal cycling, and safety protocol checks. Our IC protection systems provide overcharge, over-discharge, overcurrent, and short-circuit protection.

Q: Can I request custom or OEM batteries?

A: Yes. We offer comprehensive OEM and custom battery solutions. Our engineering team can design batteries to your specifications, including custom capacity, form factor, connector type, and branding. The MOQ for custom OEM orders typically starts at 100 units. Contact our B2B team at b2b@etesbay.com for a detailed consultation.