4000mAh/11.4V Replacement Battery for Machenike F57 Series: Available now at [price_with_discount]

The CORSAIR K70 RGB TKL Optical-Mechanical Gaming Keyboard will carry you to victory with a compact tenkeyless form-factor and powerful CORSAIR AXON hyper-processing technology. CORSAIR OPX RGB optical-mechanical keyswitches offer hyper-fast 1.0mm actuation guaranteed for 150 million keypresses, topped by durable double-shot PBT keycaps. Win in style with a refined aluminum frame and dynamic per-key RGB backlighting and flip the tournament switch to instantly disable macros and swap to distraction-free lighting. Powerful iCUE software on both PC and macOS enables custom macro programming and key remaps, while dedicated media keys and an aluminum volume roller offer convenient control over media. A detachable USB Type-C cable and onboard storage for up to 50 profiles enable you to take pro performance to your next competition.
Built for Champions: CORSAIR CHAMPION SERIES products are designed for and tested by top esports professionals – helping to carry you to victory with a competition-grade keyboard featuring a portable and space-saving tenkeyless form-factor, a detachable USB Type-C cable, and a tournament mode switch.
CORSAIR OPX RGB Optical-Mechanical Keyswitches: Hyper-fast input with 1.0mm actuation distance and smooth linear travel, guaranteed for 150 million keystrokes.
Powered by CORSAIR AXON Hyper-Processing Technology: CORSAIR’s most advanced gaming keyboard experience processes and transmits inputs up to 8x faster than conventional gaming keyboards with 8,000Hz hyper-polling, 4,000Hz key scanning, and up to 20 layers of hardware RGB lighting processing while maintaining speed performance.
PBT Double-Shot Keycaps: A precision-molded keycap set with a standard bottom row layout resists wear, fading, and shine, with 1.5mm thickness for rigid stability.
Tournament-Ready: Flip the tournament switch to focus on winning those crucial games, automatically locking to distraction-free static backlighting and disabling accidental macro activations.

Rethink everything you knew about mobile gaming. Razer Kishi v2 is a universal mobile gaming controller that brings a console-class gameplay experience to your iPhone. Play the best AAA games, on your iPhone, exactly as you’d expect to play them on a game console – zero compromises.
CONSOLE QUALITY MOBILE GAMING CONTROLS — Designed with cutting edge microswitch buttons, analog triggers, and programmable macros to bring console-quality control to the phone
UNIVERSAL FIT WITH EXTENDABLE BRIDGE — Features a stable, extendable bridge that provides a secure fit that perfectly holds all modern iPhone models, including the latest iPhone 14 models lightning connectors
DISCOVER THE BEST GAMES IN ONE PLACE FOR FREE — Browse through thousands of compatible games, record and share gameplay, and keep Kishi updated with an integrated Razer Nexus App that allows full customizability
STREAM PC AND CONSOLE GAMES — Play full PC, Xbox and PlayStation games directly on the phone, with support for the biggest game streaming apps.
OPTIMIZED FOR MAXIMUM PERFORMANCE — Utilize iPhone's lightning connection to eliminate input latency, allow for seamless control—and passthrough charging for ultimate iOS compatibility
ERGONOMIC DESIGN — Designed for long gaming sessions, yet slim enough to fit into a pocket, the controller is optimized for both comfort and portability

Product description
【2 Pack Wireless Switch Controller】 Our wireless switch controller compatible with Switch/Switch pro controller/Switch lite controller/OLED/PC/iOS/Andriod. (Please note that the PC device must be with Bluetooth function and the system is windows 7 or above to connect wirelessly.) For a better experience of competitive gaming of Switch, we have designed 2 packs, black and white colours, with a unique cracked appearance.The Switch pro controller with turbo function, multi-vibration function, ,multi-axis gyro motion sensors, mapping keys, screenshot function, 3.5mm audio jack and so on.
【Custom RGB Lighting & Cracked Design】The wireless switch controller has 9 LED light colors to choose from: 8 colors and rainbow LED colors, mulitlight modeseasily switched by simply pressing the light button on the back; In addition, unique cracked design make the switch controller be like a brilliant sight. You can switch the color you like at any time, Immersive experience of the game.
【Programmable Function Switch Controller】The wireless switch controller with programmable function. The wireless switch controller has 2 back buttons "M1/M2", turn on the "Normal/Custom" button, then "set+M1/M2" enter into programming. These 2 back buttons assign 1-22 basic buttons (A+B+X+Y...=M1/M2) to be programmed, you can release combo skills with one button to easily defeat bosses to optimize gameplay and release your fingers.
【Multi-Vibration & Multi-Axis Gyro & 3 Speed Turbo】Switch controller equipped with 4 levels vibration (none/weak/standard/strong), you can adjust the vibration strength as you like. Wireless switch controller together with the multi-axis gyroscopic motion sensor, you can control the game direction and character perspective by sensing the vibration. Turbo function, auto & semi-auto fire functions can be set, 3 speed of 5/12/20 times/sec. Enjoy the gaming experience!
【1000mAh Battery Capacity】To meet players’gaming time needs, our wireless switch controller equipped with a 1000mAh battery, which is twice the capacity of other controllers. The switch pro controller can be fully charged about 2 hours, continuously used about 10 to 15 hours, let you have uninterrupted game time. And has a low battery reminder function to escort you. Comfortable for long gaming sessions.
【 Ergonomic Design for Team & Family Gamer】Switch controller with superior ergonomics practically makes it melt into your hand for hours of comfortable gaming. And the cracked design has a non-slip effect that allows you to control the game stably. Easy to use and 2 pack is the best product for team or family games, start entertainment moments with your precious family and friends. The switch wireless controller can be a special present for you, family, friends, etc.
WHAT YOU GET: 2 x Switch controller; 2 x USB Type-C charging cable; 1 x User manual; We pride ourselves on providing excellent after-sale service. Our friendly and reliable customer service team is ready to assist you 24/7. Not sure how to get your controller to work properly, Please contact us at any time

- Fit Models:

• F57-D
• F57-D2
• F57-D1T
• F57-D5R
• F57-D3
• F57
• N550RC
• F57-D1
• F57-D4

- Battery Part Numbers:

• 6-87-N550S-4E43
• 6-87-N550S-4E4
• 6-87-N550S-4E42
• N550BAT-3
• 6-87-N550S-4E41

Tips Before Purchase
Please make sure that your device is included in the Fit Models or your battery part number is included in the Battery Part Numbers.

Fit Model F57-D F57-D2 F57-D1T F57-D5R F57-D3 F57 N550RC F57-D1 F57-D4, Replacement Battery Extended capacity
Fully replaces battery number 6-87-N550S-4E43 6-87-N550S-4E4 6-87-N550S-4E42 N550BAT-3 6-87-N550S-4E41, 11.4V
Loger lasting:4000mAh, Type:Li-Polymer ,Rate: 45.6Wh
Dimensions: 250.4 x 85.7 x 8.2mm, Weight: 501.0g.
Manufactured by Enyuly power.a leader in premium quality replacement battery packs.We provide 1 years of after-sales service.