4545165-3S 5000mAh 11.4V Li-ion replacement battery for GPD Win Max handheld gaming PC, front view showing battery label and 3-cell connector

4545165-3S 5000mAh 11.4V Li-ion Replacement Battery for GPD Win Max (57Wh 3-Cell)

$58.88

🔘 4545165-3S 5000mAh 11.4V | 🔋 3‑Cell Li-ion | 📱 Compatible with GPD Win Max Handheld Gaming PC

8 in stock

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Warranty Period90 days from delivery15-30 days from order confirmation
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🔋 90-day warranty is the industry standard for replacement batteries. Batteries naturally lose capacity over time — this normal wear is not covered. Warranty applies to manufacturing defects only.

📦 Shipping Cost & Delivery Time (Economy Shipping from China)

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Description

✅ Condition: Brand New – Never used, factory‑tested quality

✅ CE / RoHS / UN38.3 Certified – Meets international safety standards

✅ Built‑in Overcharge / Over‑discharge / Short Circuit Protection

✅ 500+ Cycle Life – Grade A cells for long‑term durability

✅ 90‑Day Warranty from delivery – Longer coverage than major platforms

✅ Ships in 3‑7 days with tracking

🛡️ Shipping Protection Available at Checkout

✅ PayPal Buyer Protection included

✅ 100% Compatibility Guarantee – If it doesn’t fit, we’ll refund you. No questions asked.

⚠️ Low Stock Alert: Only 8 left in stock. Order now to avoid waiting.

Battery model: 4545165-3S (compatible with OEM GPD Win Max battery)
Capacity: 5000mAh / 57Wh (three 5000mAh/3.8V cells in series — total capacity 5000mAh, not 15000mAh)
Rated voltage: 11.4V (3.8V × 3 cells in series)
Charge limit voltage: 13.05V (4.35V × 3)
Battery type: Li-ion / Li-Polymer (3‑cell series design)
Compatible with: GPD Win Max (2020 release, 8-inch IPS display, Intel Core i5-1035G7 processor, 16GB LPDDR4X RAM, 57Wh battery, 65W USB‑C PD charging)
Replaces OEM part number: 4545165-3S
Package include: 1 x battery
Restore the original battery life of your GPD Win Max handheld gaming PC with this 4545165-3S 5000mAh replacement battery. The GPD Win Max was released in 2020, featuring an 8-inch IPS display, Intel Core i5-1035G7 processor (15-25W TDP), Intel Iris Plus Graphics, 16GB LPDDR4X RAM, 512GB/1TB M.2 SSD, Thunderbolt 3, Wi-Fi 6, Bluetooth 5.0, and a 65W USB‑C PD power adapter. This Li-ion battery uses a 3‑cell series design — three 5000mAh/3.8V cells connected in series to achieve a combined output of 11.4V, delivering the factory‑rated 57Wh total energy for extended Windows‑based gaming sessions. For reference, third‑party retailers sell this battery for approximately $45 to $95.
Built with Grade A Li-ion cells and multi‑layer safety protection against overcharge, over‑discharge, short circuit, and overcurrent. CE, RoHS, and UN38.3 certified for safe transport and use. With a cycle life of 500+ full charge cycles, this replacement battery is designed for long‑term durability. The GPD Win Max supports 65W USB‑C PD fast charging — a full charge takes approximately 2 hours using a 65W PD‑certified charger. The battery is user‑replaceable — the device has a screw‑secured back cover, allowing for DIY replacement without soldering. According to GPD specifications, the 57Wh battery provides approximately 3 hours of heavy gaming or 6‑8 hours of mixed usage.
Compatibility Note: Please power down your device and check your original battery label before ordering. This battery is compatible with GPD Win Max (original 2020 model) only — NOT compatible with Win Max 2, Win Max 2 2023, Win Max 2 2024, or Win Max 3. The device has no official IP water resistance rating, so water seal maintenance is not a concern after replacement.
Battery Care Tips: Avoid full discharge — keep battery level above 20%. Do not expose to high temperatures or direct sunlight. New batteries require 3-5 full charge cycles to reach optimal capacity. For best 65W PD fast charging performance, use a certified USB-C charger that supports Power Delivery (65W or higher recommended). If you don’t use the device for a long time, store it at approximately 40%-60% charge in a cool, dry place and recharge to storage level every 3 months. If you notice swelling or overheating, stop use immediately and dispose of properly at a designated battery recycling center.

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Frequently Asked Questions

The 4545165-3S battery for GPD Win Max is compatible with the GPD Win Max original 2020 model only. The GPD Win Max features an 8-inch IPS display (1280×800 resolution), Intel Core i5-1035G7 processor (15-25W TDP, 4 cores/8 threads), Intel Iris Plus Graphics, 16GB LPDDR4X RAM, 512GB or 1TB M.2 SSD, Thunderbolt 3, Wi-Fi 6, Bluetooth 5.0, and includes a 65W USB-C PD charger in the box. The original battery capacity is 5000mAh / 57Wh (three 5000mAh/3.8V cells connected in series to achieve 11.4V output). This 4545165-3S Li-ion replacement battery for GPD Win Max delivers the factory-rated 57Wh total energy. Important: This battery is NOT compatible with GPD Win Max 2, Win Max 2 2023, Win Max 2 2024, or Win Max 3 (which use different battery models such as AEC634789-4S1P 15.4V). If your GPD Win Max battery replacement is needed because the device drains quickly or won't hold a charge, this is the correct battery. Please verify your device model and check the battery model 4545165-3S printed on your existing battery before purchasing.

The 4545165-3S 5000mAh 11.4V battery has a typical capacity of 5000mAh (57Wh) and a pack output voltage of 11.4V. It is a 3‑cell Li-ion battery — three 5000mAh/3.8V single cells connected in series (11.4V = 3.8V × 3). Single‑cell charge limit voltage is 4.35V (pack max 13.05V). This 4545165-3S Li-ion battery is built with Grade A cells and is CE, RoHS, and UN38.3 certified. The GPD Win Max supports 65W USB-C Power Delivery (PD) fast charging — using a certified 65W PD charger, the 57Wh battery can be fully charged in approximately 2 hours. According to official GPD specifications, the original 57Wh battery provides up to 3 hours of heavy gaming (at 25W TDP) or 6-8 hours of mixed usage (web browsing, video playback). The device ships with a 65W Gallium Nitride (GaN) power adapter in the box. With a cycle life of 500+ full charge cycles, this 4545165-3S replacement battery is designed for long-term durability. For best results, always use a certified USB-C PD charger (65W or higher recommended).

Installing the 4545165-3S battery in GPD Win Max is user‑replaceable. First, turn off the device and disconnect the charger. Remove the screws on the back cover using a Phillips screwdriver (there are typically 8-10 screws on the bottom case). Gently lift the back cover — it is not glued, but there may be mild adhesive strips. The battery is connected via a small 3-pin or 4-pin connector on the motherboard. Locate the battery connector and disconnect it by gently pulling upward (do not pull on the wires). The battery is held in place with mild adhesive. Insert the new 4545165-3S battery, ensure the connector is fully seated, replace the back cover, and tighten the screws. The device has no official IP water resistance rating, so no special sealing is required. Always dispose of old batteries properly at a designated battery recycling center. For calibration, fully charge the device for 2 hours before first use, then use it until it shuts off due to low battery, and finally charge uninterrupted to 100%.

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