Established in 1995, Chijiu Battery Co., Ltd. are a high-tech China whipple charger manufacturer and wholesaler engaged in the design, manufacturing and marketing of battery, charger, adapter and solar panels etc. Our custom whipple chargers are extensively used in telecommunications, electronics, solar energy systems, electric vehicles, UPS, security systems, emergency lighting, power tools, mobile phone, digital camera & camcorder, MP3, laptop, portable DVD, blue-tooth, PDA and intelligent charger solution. To keep the GB/T7112-1998, IEC60086-2 standards. We implement the certificate system ISO9002 since 1998. In 2001 we passed the audit of ISO9001:2000 quality management system and ISO14001:1996 environment management system conducted by the world-renowned Det Norske Veritas (DNV) and had the certificates issued.

Twin-screw type Whipple Charger
Most efficient supercharger on the market
Coolest air charge in the industry
Up to 55% horsepower increase
Up to 55% torque increase through engines entire operating rpm
Interface computer system for complete engine management
Instant boost at the touch of the throttle
Flat torque curve for excellent throttle response
Can actually increase fuel mileage when cruising
Whipple Superchargers designed air bypass system for increased fuel economy and low emissions
Low noise level for sleek operation
Active boost control for increased reliability
Exclusive hi-flow intake system
All parts meet or exceed OEM specifications
No internal modifications needed
Completed installation looks factory installed
All castings are heat treated to aircraft specifications
Kits have all parts required to complete installation
In Whipple's usual style, the kit looks OEM factory built when installed - a sleek and finely engineered, bolt-on supercharger that passes all state and federal emission tests, and is super quiet.
For the PT Cruiser, Whipple used the exclusive 1.2L Whipple Charger and built a compact OEM quality supercharger system, engineered for fuel economy and reliability - it looks stock from the factory, and delivers instant boost on demand, with the twin-screw's famous instant throttle response.

The Whipple Twin Screw Supercharger
Incredibly high adiabatic and volumetric efficiencies
Positive displacement design
Very flat efficiency curve combined with positive displacement design gives the most achievable torque of any method
Instant boost
A true compressor
Direct drive from the crankshaft
Compact and lightweight design
Virtually silent operation
Low temperature increases during operation
Very little power consumption
Unique combination of low rpm torque and high rpm horsepower due to the screw compressor design
Have the ability to run from 1 to 60 lbs. of boost
The twin-screw design was developed to fill the tremendous voids the centrifugal, turbo and roots superchargers have. This concept was intended to meet the requirements of a high average efficiency under most varied conditions of pressure and speed, a high maximum efficiency - preferable above 85% - with small bulk, low weight and also suitable for direct drive. This concept lead to the development of the twin-screw supercharger which was compact and light, had a very high efficiency over almost all varied conditions of pressure and speed, and an incredibly high maximum efficiency. This concept became a reality in the late 1930's and early 1940's when the Lysholm twin-screw supercharger was produced. Because of high building cost, the screw compressor did not find its way to OEM use on internal combustion engines, but industrial applications for air compressors, refrigeration and air-conditioning.

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