Professional & Reliable Power Solution and Battery Pack manufacturer for your Power Need !
Customized Lithium ion Battery Packs
BATTERY SOLUTION & MANUFACTURER
More than 8 years Battery packs Customized
GET A QUOTE TODAY
If you have any questions you can send us a message and we will happily give you our expert advice today.
COMPLY WITH UL, CE, FCC, PSE, KC,
BSMI, UN38, ROHS STANDARDS, ETC.
HOT PRODUCTS
Are you interested in building custom Lithium ion battery packs? All cells are guaranteed Grade A. All cells have optional protection, spot-welded tabbing, pack assembly, testing & reporting.
WHAT WE DO
The World’s Leading Manufacturer Of Custom Lithium Ion 18650 Battery Packs.
Greatmax Founded in 2008, Specializing in Customized lithium ion battery pack in China.
Greatmax Battery is a most qualified manufacturer of lithium batteries in China, owing to experienced specialists and technicians in this field for over 10 years.
Accumulated storage and application data guides our constantly innovation of technologies and equipment, and guarantees long operating life.
Our main products are Customized 18650 li-ion battery pack, Lithium polymer battery pack, LiFePo4 Battery Pack.
Our batteries are mainly applied to Wireless Industry Device, Consumer Electronics, Ebike, Portable Energy Storage ,etc
Greatmax is ISO9001 certified and our batteries are approved by UL, CE, RoHs, UN and many other international standards.
Greatmax sticks to continuously refining and innovating, satisfying our customers by utmost service.
- Medical battery packs
- Industrial battery packs
- Instrument battery packs
- Electric bike battery packs
- RC toys battery packs
- And others
PROFESSIONAL & RELIABLE POWER SOLUTIONS
LITHIUM ION 18650 BATTERY PACKS MANUFACTURER
Battery type used in products: 18650/18500/26650/ li-ion battery and so on.
The high quality Rechargeable Li-ion 18650 Battery packs that will outperform your expectation.
WHY CHOOSE US
COMPETITIVE PRICE
PROFESSIONAL
GREAT QUALITY
CUSTOMIZED PACKAGING
DELIVERY ON TIME
SHIPPING SERVICE
We are a battery manufacturer, more advantageous factory direct prices.
8+ Years of experience in the battery industry with extensive knowledge. Quick analyze & design prototypes.
The laboratory will conduct more than 11 different strict quality tests for batteries. 100% quality checks and full one year warranty.
Private labeling and packaging for either big or small customers. Start from 10,000 per order, customer can own your own brand name.
Advanced automated equipment and skilled workers can provide you with high performance battery packs in time.
We have cooperated with DHL, UPS and EMS for long time. please contact us if you have special requirements.
OUR FACTORY
Battery Cell Capacity and Volatge Match Test
Battery safety testing laboratory
Finished Battery Pack Testing
Battery Pack Workshop
Battery Workshop
Finished Battery Pack Warehouse
HOW TO CUSTOM YOUR BATTERY PACKS
Step 1.Defining your goals explicitly (with a spec sheet)
If you’re building custom Lithium Ion 18650 Battery Packs, you’d better take a minute listing as many of the following specifications as you can. That will help to design on the aspects of rechargeable battery pack.
- What is your biggest worry concerning your custom 18650 battery pack project?
- What kind of environment does your battery pack work? (temperature, dust, water, radiation, vibration)
Below shows a list of specifications that should be determined for your 18650 battery packs.
Specification Norm. Min. Max. Priority 1-5 (1 highest) Notes A (ampere) output mAh (milliamp hour) output V (Voltage) output W (watt) output Total cost Charging time Weight Safety Form factor Special requirements Here is a link to a Google Forms template you can use.
Step 2. Problem solving and the configuration
After we fletch out a specification sheet, the next step which deals with the following design and technical points:
▪ Configuration ▪ Cell choice ▪ Battery management system
▪ Form factor ▪ Charger ▪ Special requirements
Step 3. Price of custom battery pack
The price of custom 18650 battery packs is dependent on many variables. Costs are determined by:
▪ Cell cost ▪ Special materials or components, unique features
▪ Testing and certification ▪ Quality control requirements ▪ Packing, shipping, customsStep 4. Building sample 18650 battery pack
After your specification sheet is laid out, your technical specifications are settled, and you know exactly what it will cost to produce, a sample is created.
Step 5. Full production
Production may begin any time after designs are finalized and pro forma invoice is signed.
Step 6. Quality control & after-sales support
Specialized quality control, UN certification, explosion, vibration, high-discharge tests, and more services are available at request.
Look at the battery factory
GET A QUOTE TODAY
Professional & Reliable Power Solution and Battery Pack manufacturer for your Power Need !
If you have any questions you can send us a message and we will happily give you our expert advice today.
TESTMONIALS
“
The 150Ah battery is fantastic! Really self supporting during the whole holiday. I want to change the battery of the electric bike of my woman. Also in LiFePO4 if possible. Soon I will see want is insite of the battery an what space there is for the new one. Maybe you can advise me when I am so far.
Henk Goeman, from Holland
“
I received the batteries today and could not be happier! I will definitely do business with you guys in the future after this initial production run. I appreciate how easy it is to work with you and how great, safe and dependable your products have been during my testing. Take care over there! You guys are the best.
Casey, from America
“
We are using your batteries, and all seems OK, thank you. Our possible customer asked about a “double capacity” pack. We would nee to double the current (2 x 11,6 A), keeping the same nominal voltage (29,6 V). I assume that we need a 8s8p configuration.
Romano, from Italy
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