This compatible laptop adapter
is designed as a replacement for
LenovoADP-45DW BA
, providing 20V output
with 3.25A/4.5A current
and 90W power rating
. Connector type: 4.0*1.7mm.
Important Product Notes:
Please make sure the DC output and tip size are compatible before placing the order.
Note: This adapter is not compatible with
Lenovo IdeaPad 100S-11IBY;
IdeaPad 100S 11";
N21 Chromebook.
Compatible Products for Your Device
Compatible Model
Lenovo V Series - Lenovo V110 (17 Inch)Lenovo V Series - Lenovo V110-17IKBLenovo V Series - Lenovo V110-17IKB 80V20001Lenovo V Series - Lenovo V110-17IKB 80V20003Lenovo V Series - Lenovo V110-17IKB 80V20004Lenovo V Series - Lenovo V110-17IKB 80V20006Lenovo V Series - Lenovo V110-17IKB 80V20009Lenovo V Series - Lenovo V110-17IKB 80V2000ALenovo V Series - Lenovo V110-17IKB 80V200MSLenovo V Series - Lenovo V110-17IKB 80V2017KLenovo V Series - Lenovo V110-17IKB 80V2017PLenovo V Series - Lenovo V110-17IKB 80V2017QLenovo V Series - Lenovo V110-17IKB 80V2017RLenovo V Series - Lenovo V110-17IKB 80V2017TLenovo V Series - Lenovo V110-17IKB 80V2019GLenovo V Series - Lenovo V110-17IKB 80V2019TLenovo V Series - Lenovo V110-17ISK 80VM00CDLenovo V Series - Lenovo V110-17ISK 80VM00CJLenovo V Series - Lenovo V110-17ISK 80VM00DQLenovo V Series - Lenovo V110-17ISK 80VM00DRLenovo V Series - Lenovo V320 (17 Inch)Lenovo V Series - Lenovo V320-17IKB 81AH0002Lenovo V Series - Lenovo V320-17IKB 81AH0007Lenovo V Series - Lenovo V320-17IKB 81AH000HLenovo V Series - Lenovo V320-17IKB 81AH0016Lenovo V Series - Lenovo V320-17IKB 81AH0024Lenovo V Series - Lenovo V320-17IKB 81AH0029Lenovo V Series - Lenovo V320-17IKB 81AH002KLenovo V Series - Lenovo V320-17IKB 81AH002NLenovo V Series - Lenovo V320-17IKB 81AH002PLenovo V Series - Lenovo V320-17IKB 81AH002QLenovo V Series - Lenovo V320-17IKB 81AH002YLenovo V Series - Lenovo V320-17IKB 81AH005HLenovo V Series - Lenovo V320-17IKB 81AH005MLenovo V Series - Lenovo V320-17IKB 81AH005NLenovo V Series - Lenovo V320-17IKB 81CN0000Lenovo V Series - Lenovo V320-17IKB 81CN0009Lenovo V Series - Lenovo V320-17IKB 81CN000CLenovo V Series - Lenovo V320-17IKB 81CN000DLenovo V Series - Lenovo V320-17ISKLenovo IdeaPad Yoga Series Ideapad 100-14IBDLenovo IdeaPad Yoga Series Ideapad 100-14IBD 80RK002UIHLenovo IdeaPad Yoga Series Ideapad 100-14IBY 20563Lenovo IdeaPad Yoga Series Ideapad 100-14IBY 20643Lenovo IdeaPad Yoga Series Ideapad 100-14IBY 80MH0012USLenovo IdeaPad Yoga Series Ideapad 100-14IBY(Nano 14)Lenovo IdeaPad Yoga Series IdeaPad 100-15IBYLenovo IdeaPad Yoga Series Ideapad 100-15IBY 80MJ0015CFLenovo IdeaPad Yoga Series Ideapad 100-15IBY 80MJ0016CFLenovo IdeaPad Yoga Series Ideapad 100-15IBY 80MJ0019USLenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ001CGELenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ00ATGELenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ00CLGELenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ00CPGELenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ00CQGELenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ00GBGELenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ00P2GELenovo IdeaPad Yoga Series Ideapad 100-15IBY(Nano 15)Lenovo IdeaPad Yoga Series IdeaPad 110-14IBR(80T6)Lenovo IdeaPad Yoga Series Ideapad 110-14ISKLenovo IdeaPad Yoga Series IdeaPad 110-15ACL(80TJ)Lenovo IdeaPad Yoga Series IdeaPad 110-15ACL(80TJ0060CK)Lenovo IdeaPad Yoga Series Ideapad 110-15ASTLenovo IdeaPad Yoga Series IdeaPad 110-15AST(80TR001BGE)Lenovo IdeaPad Yoga Series IdeaPad 110-15IBRLenovo IdeaPad Yoga Series IdeaPad 110-15IBR 80T7002NCFLenovo IdeaPad Yoga Series IdeaPad 110-15IBR 80T7002PCFLenovo IdeaPad Yoga Series IdeaPad 110-15IBR(80T7000TGE)Lenovo IdeaPad Yoga Series IdeaPad 110-15IBR(80T7004WRA)Lenovo IdeaPad Yoga Series IdeaPad 110-15IBR(80T70088RA)Lenovo IdeaPad Yoga Series IdeaPad 110-15ISK 80UD001TUSLenovo IdeaPad Yoga Series Yoga 510-14IKBLenovo IdeaPad Yoga Series Yoga 510-14ISK 80UKLenovo IdeaPad Yoga Series Yoga 710 (15 Inch)Lenovo IdeaPad Yoga Series Yoga 710-11ISKLenovo IdeaPad Yoga Series Yoga 710-11ISK 80TX000AUSLenovo IdeaPad Yoga Series Yoga 710-11ISK 80TX000TCFLenovo IdeaPad Yoga Series Yoga 710-14IKB 80V4002HGELenovo IdeaPad Yoga Series Yoga 710-14IKB 80V4002JGELenovo IdeaPad Yoga Series Yoga 710-14IKB 80V40048MHLenovo IdeaPad Yoga Series Yoga 710-14IKB 80V4006FGELenovo IdeaPad Yoga Series Yoga 710-14ISK 80TY000RGELenovo IdeaPad Yoga Series Yoga 710-14ISK 80TY000TGELenovo IdeaPad Yoga Series Yoga 710-14ISK-IFILenovo IdeaPad Yoga Series Yoga 710-15ISKLenovo IdeaPad Yoga Series Yoga 710-15ISK 80U00000USLenovo IdeaPad Yoga Series Yoga 710-15ISK 80U00007CFLenovo IdeaPad Series Flex 4 (11 Inch)Lenovo IdeaPad Series Flex 4 1480Lenovo IdeaPad Series Flex 4-1130 80U30000USLenovo IdeaPad Series Flex 4-1470Lenovo IdeaPad Series Flex 4-1470 (#80SA)Lenovo IdeaPad Series Flex 4-1470 80SA0008USLenovo IdeaPad Series Flex 4-1470 80SA000DCFLenovo IdeaPad Series Flex 4-1470 80SA000FCFLenovo IdeaPad Series Flex 4-1570 80SB0000USLenovo IdeaPad Series Flex 4-1570 80SB0001USLenovo IdeaPad Series Flex 4-1570 80SB0003USLenovo IdeaPad Series Flex 4-1570 80SB0005USLenovo IdeaPad Series Flex 4-1570 80SB000MUSLenovo IdeaPad Series Flex 4-1580 80VE0000USLenovo IdeaPad Series Flex 4-1580 80VE000CUSLenovo IdeaPad Series Flex 5 (15 Inch)Lenovo IdeaPad Series Flex 5-1470 80XA000RCFLenovo IdeaPad Series Flex 5-1570 80XB000PCFLenovo IdeaPad Series Flex 5-1570 80XB000XCFLenovo IdeaPad Series Flex 5-1570 80XB000YCFLenovo IdeaPad Series Ideapad 100-15IBDLenovo IdeaPad Series IdeaPad 100-15IBD 80MJ00CLGELenovo IdeaPad Series IdeaPad 100-15IBD 80QQ002AGELenovo IdeaPad Series IdeaPad 100-15IBD 80QQ00ARGELenovo IdeaPad Series IdeaPad 100-15IBD 80QQ00GCGELenovo IdeaPad Series IdeaPad 100-15IBD 80QQ0179GELenovo IdeaPad Series IdeaPad 100S 14IBR 80R9002WGELenovo IdeaPad Series IdeaPad 100S 14IBR 80R9005KUSLenovo IdeaPad Series IdeaPad 100S 14IBR 80R900BEGELenovo IdeaPad Series IdeaPad 100S 14IBR 80R900BYCFLenovo IdeaPad Series IdeaPad 110 14IBR 80T6000XUSLenovo IdeaPad Series IdeaPad 110 15 AMD 110-15ACLLenovo IdeaPad Series IdeaPad 110-17IKB 80VK000EUSLenovo IdeaPad Series Ideapad 110-17ISKLenovo IdeaPad Series Ideapad 110S-11IBR 80WG00E9CFLenovo IdeaPad Series IdeaPad 120S (11 Inch)Lenovo IdeaPad Series IdeaPad 120S-11IAP 81A400BVCFLenovo IdeaPad Series Ideapad 120S-14IAP 81A5006SUSLenovo IdeaPad Series IdeaPad 310 14ISK 80SL001TTALenovo IdeaPad Series IdeaPad 310 151SKLenovo IdeaPad Series IdeaPad 310 Touch 80TW0003USLenovo IdeaPad Series IdeaPad 310 Touch-15ISK 80SN0000USLenovo IdeaPad Series IdeaPad 310 Touch-15ISK 80SN0002USLenovo IdeaPad Series IdeaPad 310 Touch-15ISK 80SN0006USLenovo IdeaPad Series Ideapad 310-15IAPLenovo IdeaPad Series IdeaPad 310-15IKBLenovo IdeaPad Series IdeaPad 310-15IKB 80TV00BJUSLenovo IdeaPad Series IdeaPad 320-15ABR 80ST001SGELenovo IdeaPad Series IdeaPad 320-15ABR 80XS007XGELenovo IdeaPad Series IdeaPad 320-15ABR 80XS009BGELenovo IdeaPad Series IdeaPad 320-15ABR 80XS00B7GELenovo IdeaPad Series IdeaPad 320-15AST 80XVLenovo IdeaPad Series IdeaPad 320-15AST 80XV00LBMBLenovo IdeaPad Series IdeaPad 320-15AST 80XV00M8GELenovo IdeaPad Series IdeaPad 320-15AST 80XV00TXGELenovo IdeaPad Series IdeaPad 320-15AST 80XV00X6GELenovo IdeaPad Series IdeaPad 320-15AST 80XV00YKGELenovo IdeaPad Series Ideapad 320-15IAPLenovo IdeaPad Series IdeaPad 320-15IKB 80XL035UUSLenovo IdeaPad Series IdeaPad 320-15IKB 80XL039JCFLenovo IdeaPad Series IdeaPad 320-15IKB 80XR00A7USLenovo IdeaPad Series IdeaPad 320-15IKB 80XV009CUSLenovo IdeaPad Series IdeaPad 320-15IKB 80XV00M3CFLenovo IdeaPad Series IdeaPad 320-17IKB 80XM00E6USLenovo IdeaPad Series IdeaPad 320-17IKB 80XM00F0USLenovo IdeaPad Series IdeaPad 320S (14 Inch)Lenovo IdeaPad Series IdeaPad 320S-15Lenovo IdeaPad Series IdeaPad 320S-15IKB 80X5005EUSLenovo IdeaPad Series IdeaPad 320S-15IKB 80X5005KCFLenovo IdeaPad Series IdeaPad 330 15" 81D2007GCFLenovo IdeaPad Series IdeaPad 330 17" 81DM000NCFLenovo IdeaPad Series IdeaPad 510-15 80SR001FUSLenovo IdeaPad Series IdeaPad 510-15IKB 80SV SeriesLenovo IdeaPad Series IdeaPad 510-15IKB 80SV0087GELenovo IdeaPad Series IdeaPad 510-15IKB 80SV0089GELenovo IdeaPad Series IdeaPad 510-15IKB 80SV00G3GELenovo IdeaPad Series IdeaPad 510-15ISK 80SR0009GELenovo IdeaPad Series IdeaPad 510S-13IKB 80V00026GELenovo IdeaPad Series IdeaPad 510S-13ISK 80SJ0019GELenovo IdeaPad Series IdeaPad 510S-14IKB 80UV SeriesLenovo IdeaPad Series IdeaPad 510S-14IKB 80UV002QGELenovo IdeaPad Series IdeaPad 520-15IKBLenovo IdeaPad Series IdeaPad 520-15IKB 80YL00P8USLenovo IdeaPad Series IdeaPad 520S-14IKB 81BL009GUSLenovo IdeaPad Series IdeaPad 520S-14IKB 81BL009HCFLenovo IdeaPad Series Ideapad 710s-131SKLenovo IdeaPad Series IdeaPad 710S-13IKB 80VQLenovo IdeaPad Series IdeaPad 710S-13ISK 80SW002AUSLenovo IdeaPad Series IdeaPad 710S-13ISK 80SW002MUSLenovo IdeaPad Series IdeaPad 710S-13ISK 80SW0032USLenovo IdeaPad Series IdeaPad 710S-13ISK 80SW0052CFLenovo IdeaPad Series IdeaPad 710S-13ISK 80YQ0003USLenovo IdeaPad Series IdeaPad 710S-13ISK 80YQ0005USLenovo IdeaPad Series IdeaPad 710S-13ISK-ITHLenovo IdeaPad Series IdeaPad 720S-14IKB 81BD001NUSLenovo IdeaPad Series IdeaPad Miix 510-12ISKLenovo F Series - Lenovo Flex 4 11 1130Lenovo Chromebook - Lenovo 100S Chromebook-11IBYLenovo Chromebook - Lenovo 100S Chromebook-11IBY 80QN0000USLenovo Chromebook - Lenovo 100S Chromebook-11IBY 80QN0002USLenovo Chromebook - Lenovo 100S Chromebook-11IBY 80QN0007CFLenovo Chromebook - Lenovo 100S Chromebook-11IBY 80QN0009USLenovo Chromebook - Lenovo Chromebook N22 80SF0001USLenovo Chromebook - Lenovo Chromebook N22 80VH0000USLenovo Chromebook - Lenovo Chromebook N22-20Lenovo Chromebook - Lenovo IdeaPad N22Lenovo Chromebook - Lenovo N22 80SF0001USLenovo Chromebook - Lenovo N22 80VH0000USLenovo Chromebook - Lenovo N22 80VH0001USLenovo Chromebook - Lenovo N23 Windows 11.6" Notebook 80URLenovo Chromebook - Lenovo N42 Chromebook 14" 80VJLenovo Chromebook - Lenovo N42-20 80VJ0000USLenovo Xiaoxin Air 13
How can I confirm a replacement laptop adapter will work with my laptop?
Match the output voltage exactly, then confirm the connector type/size and
polarity. Wattage can be the same or higher than your original adapter.
Where do I find the voltage and wattage information?
Check the label on your original charger (or the laptop’s bottom label). Look for
Output (V) and Wattage (W). The voltage must match exactly.
Can I use an adapter with a different voltage?
In most cases, no. Using the wrong voltage can cause charging issues or damage your laptop.
Can I use a higher wattage adapter (for example 90W instead of 65W)?
Yes—higher wattage is usually OK as long as the voltage matches and the
connector fits. Your laptop will only draw the power it needs.
How do I confirm the connector size is correct?
Compare the tip with your original charger and check the listed connector size (OD × ID).
Even small differences (like 5.5×2.1mm vs 5.5×2.5mm) may not fit properly.
What does polarity mean, and why does it matter?
Polarity indicates which part of the plug is positive/negative. It must match your original adapter
for safe and reliable charging.
My laptop uses USB-C charging. Can I use any USB-C charger?
Not always. Your laptop may require USB-C Power Delivery (PD) and a minimum wattage
(such as 45W/65W/90W). Use a PD charger that meets or exceeds your laptop’s requirement.
Can this adapter be used internationally?
Many adapters support 100–240V input. Check your charger label. If it supports 100–240V,
you can use it overseas with the correct plug adapter.
How can I find my laptop model on a Windows laptop?
If you are using a Windows laptop, you can find your laptop model using System Information:
• Step 1: Press Windows + R to open the Run window.
• Step 2: Type msinfo32 and click OK.
• Step 3: In the System Summary section, find System Model in the right pane.
Choosing the correct replacement adapter matters for safety and charging performance.
Use this checklist before you place your order:
1. Match the Output Voltage
Check your original charger label for Output (for example, 19V).
The output voltage should match exactly.
2. Confirm Wattage / Amperage
Wattage can be the same or higher than your original adapter.
Using higher wattage is usually fine if voltage and connector match.
3. Check Connector Type & Size
For barrel tips, match the connector size (OD × ID).
For USB-C, ensure it supports USB-C PD and enough wattage for laptops.
4. Verify Polarity
Match the polarity symbol shown on your original adapter label.
💡 Battpit tip: Before using any laptop adapter, always check:
• Output voltage (must match exactly)
• Wattage (same or higher is OK)
• Connector size & polarity
All Battpit laptop adapters are designed with advanced built-in safety protection features to ensure reliable and stable charging performance.
Our replacement AC adapters help protect your laptop, battery, and internal components during everyday use.
Over-voltage protection – Protects your laptop from sudden voltage spikes and unstable power supply.
Over-current protection – Prevents excessive current flow to maintain safe and consistent charging.
Short-circuit protection – Automatically shuts down the power adapter if a fault is detected.
Each Battpit replacement laptop charger is engineered to meet high safety and quality standards, providing dependable performance
for your notebook computer at home, office, or travel.
