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Genuine AP21D8M Laptop Battery for Acer Nitro V 15 ANV15-51 Nitro 16 AN16-51 AN515-58
Genuine AP21D8M Laptop Battery for Acer Nitro V 15 ANV15-51 Nitro 16 AN16-51 AN515-58
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This replacement battery may be used in place of the one that came with your Acer laptop. With a 54.67Wh capacity, this battery is brand new and compatible with some Acer Nitro series notebooks.
With a rated capacity of 3550 mAh, the battery has a 15.4 V specification. It has the replacement part number KT.0040G.015 and the battery model AP21D8M.
Before placing your order, be sure to verify your original battery part number and the full model of your laptop, regardless of whether you're looking for a replacement battery for an Acer Nitro 16 AN16-51, Nitro 5 AN515-58, or a different setup that is on the list.
Product Specifications
| Specification | Details |
|---|---|
| Product Name | Acer AP21D8M Laptop Battery |
| Brand | Acer |
| Battery Model | AP21D8M |
| Battery Type | Not specified |
| Voltage | 15.4V |
| Capacity | 3550mAh |
| Energy | 54.67Wh |
| Condition | Brand New |
| Compatible Part Numbers | AP21D8M, KT.0040G.015 |
Compatible Battery Part Numbers
This battery is listed as a replacement for the following part numbers:
-
AP21D8M
-
KT.0040G.015
Please compare the number printed on your original battery with these references before purchasing. The battery model is an important part of confirming compatibility.
Compatible Acer Laptop Models
The supplied compatibility list includes the following Acer laptop models:
Acer Nitro V 15 Series
-
Acer Nitro V 15 ANV15-51
Acer Nitro 5 Series
-
Acer Nitro 5 AN515-47
-
Acer Nitro 5 AN515-58
Acer Nitro 16 Series
-
Acer Nitro 16 AN16-51
-
Acer Nitro 16 AN16-51-56VT
-
Acer Nitro 16 AN16-51-74BV
-
Acer Nitro 16 AN16-51-76BS
-
Acer Nitro 16 AN16-51-78GX
Compatibility can vary between laptop configurations. Check your exact model number and original battery reference before placing an order.
Key Features
54.67Wh Battery Capacity
This AP21D8M battery has a rated capacity of 3550mAh and an energy rating of 54.67Wh. Its voltage is 15.4V.
Brand-New Condition
The battery is listed as brand new and is intended as a replacement for compatible Acer laptop models.
Compatible Replacement Part Numbers
The product is identified by AP21D8M and KT.0040G.015. These references help customers compare the replacement with their original battery.
Designed for Selected Acer Nitro Laptops
The supplied compatibility list includes Acer Nitro V 15, Nitro 5, and Nitro 16 models. Always verify the exact laptop configuration before ordering.
How to Check Compatibility
Before buying this replacement battery:
-
Find the complete model number on your Acer laptop.
-
Check the model number printed on your original battery.
-
Compare it with AP21D8M and KT.0040G.015.
-
Confirm the battery voltage, connector, and physical dimensions.
-
Contact the seller if your original battery reference is different or you are unsure about compatibility.
Do not rely on the Acer Nitro series name alone. Different laptop configurations may use different battery specifications.
This replacement battery may be used in place of the one that came with your Acer laptop. With a 54.67Wh capacity, this battery is brand new and compatible with some Acer Nitro series notebooks.
With a rated capacity of 3550 mAh, the battery has a 15.4 V specification. It has the replacement part number KT.0040G.015 and the battery model AP21D8M.
Before placing your order, be sure to verify your original battery part number and the full model of your laptop, regardless of whether you're looking for a replacement battery for an Acer Nitro 16 AN16-51, Nitro 5 AN515-58, or a different setup that is on the list.
Product Specifications
| Specification | Details |
|---|---|
| Product Name | Acer AP21D8M Laptop Battery |
| Brand | Acer |
| Battery Model | AP21D8M |
| Battery Type | Not specified |
| Voltage | 15.4V |
| Capacity | 3550mAh |
| Energy | 54.67Wh |
| Condition | Brand New |
| Compatible Part Numbers | AP21D8M, KT.0040G.015 |
Compatible Battery Part Numbers
This battery is listed as a replacement for the following part numbers:
-
AP21D8M
-
KT.0040G.015
Please compare the number printed on your original battery with these references before purchasing. The battery model is an important part of confirming compatibility.
Compatible Acer Laptop Models
The supplied compatibility list includes the following Acer laptop models:
Acer Nitro V 15 Series
-
Acer Nitro V 15 ANV15-51
Acer Nitro 5 Series
-
Acer Nitro 5 AN515-47
-
Acer Nitro 5 AN515-58
Acer Nitro 16 Series
-
Acer Nitro 16 AN16-51
-
Acer Nitro 16 AN16-51-56VT
-
Acer Nitro 16 AN16-51-74BV
-
Acer Nitro 16 AN16-51-76BS
-
Acer Nitro 16 AN16-51-78GX
Compatibility can vary between laptop configurations. Check your exact model number and original battery reference before placing an order.
Key Features
54.67Wh Battery Capacity
This AP21D8M battery has a rated capacity of 3550mAh and an energy rating of 54.67Wh. Its voltage is 15.4V.
Brand-New Condition
The battery is listed as brand new and is intended as a replacement for compatible Acer laptop models.
Compatible Replacement Part Numbers
The product is identified by AP21D8M and KT.0040G.015. These references help customers compare the replacement with their original battery.
Designed for Selected Acer Nitro Laptops
The supplied compatibility list includes Acer Nitro V 15, Nitro 5, and Nitro 16 models. Always verify the exact laptop configuration before ordering.
How to Check Compatibility
Before buying this replacement battery:
-
Find the complete model number on your Acer laptop.
-
Check the model number printed on your original battery.
-
Compare it with AP21D8M and KT.0040G.015.
-
Confirm the battery voltage, connector, and physical dimensions.
-
Contact the seller if your original battery reference is different or you are unsure about compatibility.
Do not rely on the Acer Nitro series name alone. Different laptop configurations may use different battery specifications.
| Model No | AP21D8M |
| Warranty | 1 Year |
🔋 Lithium-Ion Battery Conditioning
For optimal electrochemical performance, new lithium-ion batteries should undergo 2–3 complete charge and discharge cycles before reaching full capacity.
This stabilization phase allows the internal cell chemistry to achieve balanced ion distribution, ensuring maximum runtime, stable voltage output, and extended cycle life.
After this initial conditioning period, no further full discharge cycles are required.
🛡 Premium Warranty Protection
- 12-Month Limited Manufacturer Warranty
- Up to 30-Day Return Guarantee (Policy Based)
- Replacement for defective or misrepresented items
- Dedicated customer service response within 24 hours
🚚 Professional Shipping Standards
- Orders placed Monday–Friday are processed within 1–2 business days. Orders placed on weekends are processed the following Monday.
- Tracking information appears in your order within 1–2 business days after dispatch.
- Transit time varies by region and logistics carrier
- Please verify your shipping address before order confirmation
- Address changes are not possible once shipment is dispatched
📌 Product-Specific Notice
📩 Customer Care Commitment
We are committed to delivering professional-grade battery solutions and responsive after-sales service. If you experience any issues, please contact our support team before leaving feedback.
✓ Safety & Quality Assurance
- Built-in protection against overcharging, overheating, and short circuits.
- Shipped in compliance with IATA regulations for lithium batteries.
- Compatible with OEM chargers. No firmware modification required.
Questions about compatibility? Contact us with your device model number before ordering.
Cao Chuanping
Power Systems Consultant · 8+ years in replacement battery sourcing & evaluation · View profile →
