This compatible laptop adapter
is designed as a replacement for
Lenovo5A10H42919
, 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 V110-17IKBLenovo V Series - Lenovo V110-17IKB 80V20000Lenovo V Series - Lenovo V110-17IKB 80V2017KLenovo V Series - Lenovo V110-17IKB 80V2017PLenovo V Series - Lenovo V110-17ISK 80VM00CCLenovo V Series - Lenovo V110-17ISK 80VM00CELenovo V Series - Lenovo V110-17ISK 80VM00CGLenovo V Series - Lenovo V110-17ISK 80VM00CJLenovo V Series - Lenovo V110-17ISK 80VM00DQLenovo V Series - Lenovo V320-17IKBLenovo V Series - Lenovo V320-17IKB 81AH0008Lenovo V Series - Lenovo V320-17IKB 81AH0009Lenovo V Series - Lenovo V320-17IKB 81AH000CLenovo V Series - Lenovo V320-17IKB 81AH000FLenovo V Series - Lenovo V320-17IKB 81AH000GLenovo V Series - Lenovo V320-17IKB 81AH000HLenovo V Series - Lenovo V320-17IKB 81AH001DLenovo V Series - Lenovo V320-17IKB 81AH001WLenovo V Series - Lenovo V320-17IKB 81AH0026Lenovo V Series - Lenovo V320-17IKB 81AH0028Lenovo V Series - Lenovo V320-17IKB 81AH0029Lenovo V Series - Lenovo V320-17IKB 81AH002KLenovo V Series - Lenovo V320-17IKB 81AH002RLenovo V Series - Lenovo V320-17IKB 81AH0037Lenovo V Series - Lenovo V320-17IKB 81AH003QLenovo V Series - Lenovo V320-17IKB 81AH005HLenovo V Series - Lenovo V320-17IKB 81AH005KLenovo V Series - Lenovo V320-17IKB 81AH005NLenovo V Series - Lenovo V320-17IKB 81CN0000Lenovo V Series - Lenovo V320-17IKB 81CN0002Lenovo V Series - Lenovo V320-17IKB 81CN0005Lenovo V Series - Lenovo V320-17IKB 81CN0008Lenovo V Series - Lenovo V320-17IKB 81CN000BLenovo V Series - Lenovo V320-17IKB 81CN000CLenovo V Series - Lenovo V320-17IKB 81CN000DLenovo V Series - Lenovo V320-17ISKLenovo V Series - Lenovo V320-17ISK 81B60001Lenovo V Series - Lenovo V320-17ISK 81B60004Lenovo V Series - Lenovo V320-17ISK 81B60008Lenovo V Series - Lenovo V320-17ISK 81B6000LLenovo IdeaPad Yoga Series Ideapad 100-14IBDLenovo IdeaPad Yoga Series Ideapad 100-14IBD 80RK002WVN14Lenovo IdeaPad Yoga Series Ideapad 100-14IBY 80MH000XUSLenovo IdeaPad Yoga Series Ideapad 100-14IBY 80MH0012USLenovo IdeaPad Yoga Series IdeaPad 100-15IBYLenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ SeriesLenovo IdeaPad Yoga Series Ideapad 100-15IBY 80MJ0016CFLenovo IdeaPad Yoga Series Ideapad 100-15IBY 80MJ0017USLenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ001DGELenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ00CJGELenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ00CKGELenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ00CPGELenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ00EDGELenovo IdeaPad Yoga Series IdeaPad 100-15IBY 80MJ00JBGELenovo IdeaPad Yoga Series IdeaPad 110-14IBR(80T6)Lenovo IdeaPad Yoga Series IdeaPad 110-14IBR(80T6000VPH)Lenovo IdeaPad Yoga Series IdeaPad 110-14IBR(80T6003ERA)Lenovo IdeaPad Yoga Series Ideapad 110-14IKBLenovo IdeaPad Yoga Series Ideapad 110-14ISKLenovo IdeaPad Yoga Series IdeaPad 110-15ACL(80TJ008MMX)Lenovo IdeaPad Yoga Series Ideapad 110-15AST 80TR0004USLenovo IdeaPad Yoga Series IdeaPad 110-15IBR 80T7000HUSLenovo IdeaPad Yoga Series IdeaPad 110-15IBR 80T70011USLenovo IdeaPad Yoga Series IdeaPad 110-15IBR 80T7002NCFLenovo IdeaPad Yoga Series IdeaPad 110-15IBR(80T7001LGE)Lenovo IdeaPad Yoga Series IdeaPad 110-15IBR(80T7004QRA)Lenovo IdeaPad Yoga Series IdeaPad 110-15IBR(80T7004WRA)Lenovo IdeaPad Yoga Series IdeaPad 110-15IBR(80T7008QGE)Lenovo IdeaPad Yoga Series IdeaPad 110-17IKBLenovo IdeaPad Yoga Series Yoga 510-14IKBLenovo IdeaPad Yoga Series Yoga 510-14ISKLenovo IdeaPad Yoga Series Yoga 710 (11 Inch)Lenovo IdeaPad Yoga Series Yoga 710 (15 Inch)Lenovo IdeaPad Yoga Series Yoga 710-11IKB 80V6000PUSLenovo IdeaPad Yoga Series Yoga 710-11ISK 80TX0007USLenovo IdeaPad Yoga Series Yoga 710-11ISK 80TX000TCFLenovo IdeaPad Yoga Series Yoga 710-11ISK 80TX000VCFLenovo IdeaPad Yoga Series Yoga 710-14IKBLenovo IdeaPad Yoga Series Yoga 710-14IKB 80V40000HHLenovo IdeaPad Yoga Series Yoga 710-14IKB 80V4002HGELenovo IdeaPad Yoga Series Yoga 710-14IKB 80V4003ARALenovo IdeaPad Yoga Series Yoga 710-14IKB 80V4004KGELenovo IdeaPad Yoga Series Yoga 710-14ISKLenovo IdeaPad Yoga Series Yoga 710-14ISK 80TY003GCKLenovo IdeaPad Yoga Series Yoga 710-14ISK-ISELenovo IdeaPad Yoga Series Yoga 710-15ISK 80U00000USLenovo IdeaPad Yoga Series Yoga 720 (12 Inch)Lenovo IdeaPad Yoga Series Yoga 720-12IKBLenovo IdeaPad Yoga Series Yoga 720-12IKB 81B5003PUSLenovo IdeaPad Yoga Series Yoga 720-12IKB 81B5003QUSLenovo IdeaPad Yoga Series Yoga 720-12IKB 81B5003RUSLenovo IdeaPad Series Flex 4 1580Lenovo IdeaPad Series Flex 4-1130 80U30000USLenovo IdeaPad Series Flex 4-1130 80U30001USLenovo IdeaPad Series Flex 4-1130 80U30002USLenovo IdeaPad Series Flex 4-1130 80U30005USLenovo IdeaPad Series Flex 4-1130 80U30006CFLenovo IdeaPad Series Flex 4-1470 80SA0000USLenovo IdeaPad Series Flex 4-1470 80SA000DCFLenovo IdeaPad Series Flex 4-1470 80SA000GCFLenovo IdeaPad Series Flex 4-1570Lenovo IdeaPad Series Flex 4-1570 80SB0004USLenovo IdeaPad Series Flex 4-1570 80SB0005USLenovo IdeaPad Series Flex 4-1570 80SB0007USLenovo IdeaPad Series Flex 4-1570 80SB0009CFLenovo IdeaPad Series Flex 4-1570 80SB000NUSLenovo IdeaPad Series Flex 4-1580 80VE0003USLenovo IdeaPad Series Flex 5-1470 80XA000RCFLenovo IdeaPad Series Flex 5-1470 80XA000TUSLenovo IdeaPad Series Flex 5-1470 80XA0010CFLenovo IdeaPad Series Flex 5-1470 80XA0012CFLenovo IdeaPad Series Flex 5-1570 80XB000PCFLenovo IdeaPad Series Flex 5-1570 80XB000RUSLenovo IdeaPad Series Flex 5-1570 80XB000TUSLenovo IdeaPad Series Flex 5-1570 80XB0012USLenovo IdeaPad Series Ideapad 100-15IBDLenovo IdeaPad Series IdeaPad 100-15IBD 80MJ00CKGELenovo IdeaPad Series IdeaPad 100-15IBD 80QQLenovo IdeaPad Series IdeaPad 100-15IBD 80QQ002AGELenovo IdeaPad Series IdeaPad 100-15IBD 80QQ00ARGELenovo IdeaPad Series IdeaPad 100S 14IBR 80R90004USLenovo IdeaPad Series IdeaPad 100S 14IBR 80R9002WGELenovo IdeaPad Series IdeaPad 100S 14IBR 80R90050GELenovo IdeaPad Series IdeaPad 100S 14IBR 80R9005KUSLenovo IdeaPad Series IdeaPad 100S 14IBR 80R90074USLenovo IdeaPad Series IdeaPad 100S 14IBR 80R900BEGELenovo IdeaPad Series IdeaPad 100S 14IBR 80R900FYUSLenovo IdeaPad Series IdeaPad 110 14IBR 80T6000VPHLenovo IdeaPad Series IdeaPad 110 14IBR 80T60020CFLenovo IdeaPad Series IdeaPad 110 14IBR 80T60021CFLenovo IdeaPad Series IdeaPad 110 80TJ002EUSLenovo IdeaPad Series IdeaPad 110-17IKB 80VK000EUSLenovo IdeaPad Series Ideapad 110-17ISKLenovo IdeaPad Series IdeaPad 120S (11 Inch)Lenovo IdeaPad Series Ideapad 120S-14IAP 81A50070CFLenovo IdeaPad Series IdeaPad 310 14”Lenovo IdeaPad Series IdeaPad 310 14ISK 80SL0039AXLenovo IdeaPad Series IdeaPad 310-15IKB 80TV00BJUSLenovo IdeaPad Series IdeaPad 320 (15 Inch)Lenovo IdeaPad Series Ideapad 320-14IKBLenovo IdeaPad Series IdeaPad 320-15ABR 80XS00B7GELenovo IdeaPad Series IdeaPad 320-15AST 80XVLenovo IdeaPad Series IdeaPad 320-15AST 80XV00H5RKLenovo IdeaPad Series IdeaPad 320-15AST 80XV00H6RKLenovo IdeaPad Series IdeaPad 320-15AST 80XV00LBMBLenovo IdeaPad Series IdeaPad 320-15AST 80XV00X6GELenovo IdeaPad Series IdeaPad 320-15IKB 80XL035UUSLenovo IdeaPad Series IdeaPad 320-15IKB 80XL035WUSLenovo IdeaPad Series IdeaPad 320-15IKB 80XL039HCFLenovo IdeaPad Series IdeaPad 320-15IKB 80XR00A7USLenovo IdeaPad Series IdeaPad 320-15IKB 80XS007DUSLenovo IdeaPad Series IdeaPad 320-15IKB 80XS007VCFLenovo IdeaPad Series IdeaPad 320-15IKB 80XS0095USLenovo IdeaPad Series IdeaPad 320-15IKB 80XV00KXUSLenovo IdeaPad Series IdeaPad 320-17IKB 80XM00CAUSLenovo IdeaPad Series IdeaPad 320S-14IKBLenovo IdeaPad Series IdeaPad 320S-14IKB 80X400EHUSLenovo IdeaPad Series IdeaPad 330 15" 81D2007GCFLenovo IdeaPad Series IdeaPad 330 17" 81DM000MUSLenovo IdeaPad Series IdeaPad 330 17" 81DM000NCFLenovo IdeaPad Series IdeaPad 330 17" 81DM000PUSLenovo IdeaPad Series Ideapad 330-15ICHLenovo IdeaPad Series IdeaPad 510 15.6" 80SVLenovo IdeaPad Series IdeaPad 510-15 80SR0054CFLenovo IdeaPad Series IdeaPad 510-15IKBLenovo IdeaPad Series IdeaPad 510-15IKB 80SV SeriesLenovo IdeaPad Series IdeaPad 510-15IKB 80SV0087GELenovo IdeaPad Series IdeaPad 510-15IKB 80SV00H1GELenovo IdeaPad Series IdeaPad 510-15ISK 80SR003HGELenovo IdeaPad Series IdeaPad 510-15ISK 80SR003JGELenovo IdeaPad Series IdeaPad 510S-13ISK 80SJ001CGELenovo IdeaPad Series IdeaPad 510S-14IKB 80UV SeriesLenovo IdeaPad Series IdeaPad 510S-14ISK 80TK SeriesLenovo IdeaPad Series IdeaPad 510s-14ISK 80TK003KGELenovo IdeaPad Series Ideapad 520 2-in-1 14Lenovo IdeaPad Series IdeaPad 520-15IKB 80YL00P7USLenovo IdeaPad Series Ideapad 520S (14 Inch)Lenovo IdeaPad Series IdeaPad 710S-13-80W3004MUSLenovo IdeaPad Series IdeaPad 710S-13ISK 80VQ001VUSLenovo IdeaPad Series IdeaPad 710S-13ISK 80W3000KUSLenovo IdeaPad Series Ideapad B50-10Lenovo IdeaPad Series IdeaPad Miix 510 12.2" 80U1Lenovo Chromebook - Lenovo 100S Chromebook-11IBYLenovo Chromebook - Lenovo 100S Chromebook-11IBY 80QN0000USLenovo Chromebook - Lenovo 100S Chromebook-11IBY 80QN0007CFLenovo Chromebook - Lenovo 100S Chromebook-11IBY 80QN0009USLenovo Chromebook - Lenovo Chromebook 100S-11IBRLenovo Chromebook - Lenovo Chromebook N22Lenovo Chromebook - Lenovo Chromebook N22 80SF0000USLenovo Chromebook - Lenovo Chromebook N22 80VH0000USLenovo Chromebook - Lenovo IdeaPad N22Lenovo Chromebook - Lenovo N22 80SF0001USLenovo Chromebook - Lenovo N22 80VH0000USLenovo Chromebook - Lenovo N22 Chromebook 11.6"Lenovo Chromebook - Lenovo N23 Chromebook 11.6" 80YSLenovo Chromebook - Lenovo N23 Chromebook 80UR0004USLenovo Chromebook - Lenovo N42 Chromebook 14" 80USLenovo Chromebook - Lenovo N42--20 80US0000USLenovo 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.
