Design
Product colour	Black
Features
Purpose	Laptop
Power supply type	Indoor
Input voltage	100-240 V
Input frequency	50/60 Hz
Output power	65 W
Compatibility	ThinkPad Edge ThinkPad L410, L412, L420, L421, L510, L512, L520 ThinkPad R60, R60e, R61, R61e, R61i ThinkPad R400, R500 ThinkPad SL300, SL400, SL410, SL500, SL510 ThinkPad T60, T60p, T61 ThinkPad T400, T410, T410i, T400s, T410s, T410si, T420, T420s, T500, T510, T510i, T520, T520i, W520 ThinkPad T520 Dual Core models only ThinkPad X60, X60s, X60 Tablet ThinkPad X61, X61s, X61 Tablet, X61LS ThinkPad X100e, X120e ThinkPad X200, X200s, X200t, X200 Tablet, X201, X201i, X201s, X201t, X201 T
Logistics data
Harmonized System (HS) code	85044095
Weight & dimensions
Width	43 mm
Depth	104 mm
Height	29 mm
Weight	260 g

The Lenovo 40Y7700 is a 65-watt power supply for laptops, specifically designed for a range of ThinkPad models. It serves as a replacement or additional power supply to ensure reliable power for ThinkPad notebooks at any time, whether in the office, at home, or on the go. The device is designed for indoor use and features a compact, ultra-slim design, making it one of the smallest power supplies from Lenovo. The power supply is black, which integrates it visually into the standard ThinkPad equipment.

Applications
This power supply is intended for use with a wide range of ThinkPad models, including the ThinkPad Edge series, ThinkPad L series (L410, L412, L420, L421, L510, L512, L520), ThinkPad R series (R60, R60e, R61, R61e, R61i, R400, R500), ThinkPad SL series (SL300, SL400, SL410, SL500, SL510), ThinkPad T series (T60, T60p, T61, T400, T410, T410i, T400s, T410s, T410si, T420, T420s, T500, T510, T510i, T520, T520i, W520), ThinkPad X series (X60, X60s, X60 Tablet, X61, X61s, X61 Tablet, X61LS, X100e, X120e, X200, X200s, X200t, X200 Tablet, X201, X201i, X201s, X201t, X201 T), as well as with the ThinkPad base connector replicator. It is specifically designed for models with integrated graphics cards, which includes compatibility with certain Lenovo 3000 laptops. Compatibility with the base connector replicator allows for use in combination with docking stations.

Features and Specifications in Detail
The power supply delivers an output power of 65 watts, which is sufficient for most ThinkPad models to power the device and simultaneously charge the battery. The input voltage range is 100 to 240 volts, enabling worldwide usability as it can be adapted to various power grids. The input frequency is 50/60 Hz, meeting requirements in most countries. The output voltage is 20 volts at a current of 3.25 amperes, fulfilling the specific requirements of compatible ThinkPad models. The power supply is designed for indoor use, meaning it is not intended for outdoor use or extreme environmental conditions.

Technology Explained Simply
The power supply operates with a universal input voltage, making it independent of local power supply. The 65-watt output power is sufficient to operate most ThinkPad notebooks and simultaneously charge the battery. The output voltage of 20 volts at 3.25 A meets the requirements of compatible devices. The compact design enables easy handling and portability, making it especially suitable for mobile use. The power supply is not designed for outdoor use or extreme environmental conditions, as it is classified as an indoor power supply.

Compatibility and Accessories
The power supply is compatible with a wide range of ThinkPad models, particularly the X, L, R, T, SL, and Edge series. It can also be used with the ThinkPad base connector replicator, enabling integration into work environments with docking stations. Compatibility is limited to models with integrated graphics cards, which should be considered when selecting. It is not intended for models with external graphics cards.

Installation and Mounting
Installation is done by simply connecting the power supply to a power source and then connecting it to the laptop via the appropriate connector. No additional mounting or installation is required. The power supply is ready to use immediately and does not require special tools or settings.

Advantages in Operation
The compact design and universal input voltage make the power supply a practical solution for mobile users. The 65-watt power output is sufficient to power most ThinkPad models and simultaneously charge the battery. Compatibility with a wide range of models and the base connector replicator increases operational flexibility. The power supply is lightweight (260 g) and small (43 mm width, 104 mm depth, 29 mm height), making it ideal for carrying in bags or backpacks.