ESC

Battery Manufacturer for Cellphone, Tablet, Laptop & Power Bank.

With over 12 years of experience producing batteries for iPhone, Samsung, Huawei, Xiaomi, OPPO, Google, Moto, etc.

CEFCCRoHSUN38.3MSDS

12 Months Warranty

24*7 Hours online Support

Strong R&D Team for Innovation

Red Dot Design for Private Moudle

More than 8 Product lines with over 25000PCS/Day

Shop By Category

Explore our complete range of replacement batteries for mobile phones, tablets and laptops, together with power banks and chargers. We provide wholesalers, distributors, repair centers and brands with consistent quality, broad model coverage, stable supply and convenient one-stop sourcing.

Mobile Phone Battery

Powerbank&Charger

Tablet & Laptop Replacement Battery

Speaker & Smart Watch Batteries

Must Have ESC Selections

Explore our best-selling iPhone and Android replacement batteries, iPad and MacBook batteries, power banks and chargers for global B2B buyers.

ESC- C016 65CM 65W HIGH Speed Retractable Cable GaN Charger

ESC-X016 100W 20000mAh Power Bank with TFT Screen and 4 Connectors

ESC-X017 55W Ultra-Fast 10000mAh Power Bank with TFT Display & Retractable Cable

ESC-X019 65W 10000mAh: Ultimate 3-in-1 Power Bank

ESC-X030 27W 10000mAh Power Bank with Built-In CABLES iWatch Charging

iPhone 11 Pro Max NO POP UP Decode Battery Replacement Battery

iPhone 11 Pro NO POP UP Decode Battery Replacement Battery

iPhone 11 NO POP UP Decode Battery Replacement Battery

3692mAh Replacement Battery for iPhone 17

Hearing from the ESC Fans

Sarah Johnson

Tech Solutions Inc.

“ESC technology has revolutionized our power management. The efficiency and reliability are outstanding!”
Sarah Johnson, Tech Solutions Inc.

Michael Chen

Green Energy Corp

Emily Rodriguez

Industrial Solutions

David Kim

Advanced Manufacturing

Sarah Johnson

Tech Solutions Inc.

“ESC technology has revolutionized our power management. The efficiency and reliability are outstanding!”
Sarah Johnson, Tech Solutions Inc.

Michael Chen

Green Energy Corp

“Amazing performance and durability. Our equipment runs smoother than ever with ESC power systems.”
Michael Chen, Green Energy Corp

Emily Rodriguez

Industrial Solutions

“The smart temperature control and fast charging capabilities have exceeded our expectations.”
Emily Rodriguez, Industrial Solutions

David Kim

Advanced Manufacturing

“Military-grade quality with commercial efficiency. ESC delivers exactly what we need.”
David Kim, Advanced Manufacturing

Our Supply Chain & Partners

ESC works with trusted cell, chip and channel partners to ensure stable quality, reliable supply and scalable battery and charging solutions.

Our Certificates

Official standards references:UN Manual of Tests and Criteria, Section 38.3 IEC 62133-2 EU RoHS Directive FCC Equipment Authorization

Latest News

Explore ESC insights on replacement batteries, power banks, quality control, product sourcing, shipping, and market trends for global B2B buyers.

Mobile Phone Batteries

iPhone 13 Battery Wholesale Supplier: How to Compare 3227mAh Quality, MOQ, QC and OEM Support

Choosing the right iPhone 13 battery wholesale supplier can directly affect repair success, return rates, inventory turnover and distributor margins. This guide helps repair chains, refurbishers, wholesalers and mobile-parts distributors compare 3227mAh specifications, battery components, batch QC, MOQ, lead time, OEM packaging, warranty and lithium battery shipping before placing a bulk order.

ESC

Aug 31, 2026

Mobile Phone Battery

LiPo vs Lithium-Ion Batteries: What B2B Replacement Battery Buyers Should Compare

LiPo and lithium-ion are often presented as competing battery categories, but the commercial labels can hide chemistry, electrolyte, enclosure and construction differences. This guide helps replacement-battery buyers compare verified specifications, mechanical fit, performance, safety controls, testing and supply evidence instead of selecting by name alone.

ESC

Aug 31, 2026

Mobile Phone Battery

iPhone Battery Calibration and Reset: What Repair Teams Should Actually Validate

Battery “calibration” is often used to describe several different actions, from restarting a phone to observing state-of-charge reporting over normal cycles. This B2B guide shows repair and refurbishment teams what those actions can reveal, what they cannot repair, and which evidence is needed before releasing or warranting a replacement battery.

ESC

Aug 30, 2026

Mobile Phone Battery

iPhone Battery Drains While Charging: A B2B Repair Diagnosis and Warranty SOP

An iPhone can lose battery percentage while connected to power when usable charging input is lower than device demand, charging is limited, or a battery, port, accessory or board fault is present. This SOP helps repair and warranty teams reproduce the symptom, isolate the responsible system and preserve evidence before approving a battery claim.

ESC

Aug 29, 2026

Mobile Phone Batteries

iPhone 12 Battery Wholesale Supplier: How to Compare Quality, MOQ, QC and OEM Support

Choosing the right iPhone 12 battery wholesale supplier affects compatibility, repair efficiency, return rates and long-term purchasing cost. This guide helps repair chains, refurbishers, wholesalers and distributors evaluate 2815mAh specifications, smart recognition, batch QC, MOQ, lead time, OEM packaging, warranty and lithium battery shipping before placing a bulk order.

ESC

Aug 28, 2026

Mobile Phone Battery

iPhone Battery Replacement Cost for Repair Businesses: A Total-Cost and Margin Guide

The battery purchase price is only one part of a profitable iPhone repair job. This B2B guide shows repair chains, refurbishers and independent service businesses how to calculate fully loaded job cost, protect margin and compare suppliers using consistent operational data.

ESC

Aug 28, 2026

Mobile Phone Batteries

iPhone 11 Battery Wholesale Supplier: How B2B Buyers Compare Quality, MOQ & OEM Support

Choosing the right iPhone 11 battery wholesale supplier affects much more than unit price. This guide helps repair chains, wholesalers, refurbishers and distributors compare 3110mAh specifications, cell quality, batch QC, MOQ, lead time, OEM packaging, warranty and lithium battery shipping requirements before placing a bulk order.

ESC

Aug 27, 2026