Custom Battery Packs & Chargers Manufacturer

One-Stop Solutions

As an ISO 9001 certified manufacturer, RHY implements all design, development and production. One-stop solution saves you cost, time and effort.

Factory Direct Sale

No middlemen are involved, no frightful fees are charged and prices are completely based on actual costs. Enjoy dealing directly with a factory!

Battery Technology

RHY masters the core battery technologies in industrial design, precision molding, smart BMS and fast charging that lead the industry.

100% Customized

We are committed to providing the right battery strategy. All enclosure, cells, circuit and BMS are customized to meet your requirements and budget.

More OTS Options

We have over 150 models of battery packs and chargers off-the-shelf that are built to order and delivered within 15 days.

Attentive Service

Our sales representatives serve you 24/7. We provide 1 year warranty and lifelong technical support for all products we sold.

With extensive experience in Li-ion, Ni-MH and Ni-Cd battery packs from 3.6V to 80V, our battery packs and chargers are widely applied to small and medium sized household, industrial, commercial, professional and medical battery-powered products represented by power tools, garden tools, vacuum cleaners and electric bikes.

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Power Tools

Garden Tools

Vacuum Cleaners

Electric Bikes

Power Tools

We provide custom battery solutions for combo kits, cordless drills, impact drivers, impact wrenches, saws, angle grinders, electric hammers, nail guns, etc., and supply replacement batteries and chargers for branded power tools such as Makita, DeWalt, Bosch, Milwaukee...

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Garden Tools

We provide custom battery solutions for lawn mowers, hedge trimmers, chainsaws, pruning shears, leaf blowers, bug sprayers, etc., and supply replacement batteries and chargers for branded garden tools such as Greenworks, Ryobi, Black+Decker, Worx...

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Vacuum Cleaners

We provide custom battery solutions for handheld vacuums, robot vacuums, upright vacuums, canister vacuums, ride-on vacuum sweepers, etc., and supply replacement batteries and chargers for branded vacuum cleaners such as Dyson, Shark, Hoover, Eureka...

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Electric Bikes

We customize lithium ion (Li-ion) batteries, lithium iron phosphate (LiFePO4) batteries and lead-acid batteries for electric bikes, pedelecs, electric skateboard, e-moped, e-scooters, e-motorcycles...

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Energy Storage

We customize Portable Power Station, Uninterruptible Power Supply (UPS) and other small and medium sized Battery Energy Storage Systems for home and business.

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Industrial &
Commercial

We provide battery solutions for a wide range of industrial and commercial equipment, such as air compressors, vacuum pumps, work lights, industrial robots, packaging tools, heating equipment, measuring instruments, telecom, paint sprayers, concrete vibrators...

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Leisure &
Entertainment

Our batteries and chargers can be applied to a wide range of leisure, entertainment and outdoors products such as fishing reels, water propulsion, electric surfboard, electric crossbows, remote control cars, drones, bowling machines, golf cars…

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Health & Medical

We supply reliable batteries and chargers for health and medical devices such as electric wheelchairs, disinfection sprayers, fascia massagers, automatic external defibrillators (AEDs), surgical drills & surgical headlights, dental mirrors, respirators, infusion pumps...

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Energy Storage

Industrial & Commercial

Leisure & Entertainment

Health & Medical

Headquartered in Shenzhen, China, RHY specializes in the design, development and manufacture of Li-ion, Ni-MH & Ni-Cd battery packs and chargers, providing one-stop battery solutions. We have our own R&D lab and factories across Shenzhen and Huizhou with 240,000 sq. ft. production area and 300+ employees.

From power tools to vehicles, it has been a trend that restrictive cords and environmentally harmful power are being phased out, while replaced by battery-powered systems with less noise, greater mobility and fewer emissions. It was against this background that RHY was formed in 2013 to help such manufacturers accomplish product electrification.

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240000sq.ft.

Total Area

2.5M units

Sold in 2023

300+

Employees

15000+

Daily Output

Signs That Your Makita Battery Needs to Be Replaced

September 10 2025

Recognizing the warning signs that your Makita battery needs to be replaced is essential for safety, efficiency, and consistent performance.

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Choosing Between Bosch 18V and 12V Batteries: A Practical Guide for Professional Buyers

August 04 2025

When it comes to Bosch power tools, understanding the difference between the 18V and 12V battery platforms is essential for professional buyers.

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How to Properly Store Lithium Batterie

July 11 2025

Lithium batteries power many of our everyday devices, from smartphones to power tools and electric vehicles.

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Troubleshooting Common Vacuum Cleaner Battery Problems: A Comprehensive Guide

June 23 2025

In today’s fast-paced world, cordless vacuum cleaners have become an essential household appliance. Offering unmatched convenience and mobility, they allow users to clean without the hassle of tangled cords or limited outlet access.

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Understanding the Indicator Lights on a DeWalt Battery Charger

May 19 2025

Using a power tool efficiently depends not only on the tool itself but also on how well you manage its battery. If you're using DeWalt cordless tools, you’ve likely noticed the different lights on the charger.

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A Detailed Comparison of Lithium Batteries for Garden Tools

April 02 2025

Picking the right lithium battery for garden tools is important. It helps your cordless tools work well and last longer. A good battery means fewer stops to recharge, so you get more done.

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Understanding Battery Energy Density and Its Importance

March 07 2025

Battery energy density is one of the most crucial factors when designing and choosing batteries for a variety of applications, from smartphones to electric vehicles.

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Lead-Acid vs Lithium-Ion Batteries: Which One Should You Choose?

January 02 2025

Batteries are the cornerstone of energy storage and power supply in modern life.

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Our Advantages

One-Stop Solutions

Factory Direct Sale

Battery Technology

100% Customized

More OTS Options

Attentive Service

Applications

Power Tools

Garden Tools

Vacuum Cleaners

Electric Bikes

Energy Storage

Industrial & Commercial

Leisure & Entertainment

Health & Medical

Who We Are

240000sq.ft.

2.5M units

300+

15000+

News & Events

Get Your Best Solution Today!

We take care of every procedure from design & development to production & testing. Contact our sales engineers to find out the most suitable battery solution and work mode for you.

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Industrial &
Commercial

Leisure &
Entertainment

We take care of every procedure from design & development to production & testing.
Contact our sales engineers to find out the most suitable battery solution and work mode for you.