Acer AP18C8K 50.29Wh Replacement Laptop Battery
The Acer AP18C8K replacement laptop battery provides a highly dependable, long-lasting power upgrade to seamlessly restore portable runtime for your Acer Aspire V5-571 and compatible Acer laptop series. Moreover, its proven Lithium-Polymer cell arrangement and stable 11.25V / 11.4V output design deliver smooth energy delivery to keep your device running continuously during essential daily work, web browsing, or studying. Consequently, this high-performance compatible internal battery serves as an economical, highly cost-effective power replacement to eliminate unexpected system shutdowns and dead battery issues. Therefore, you can safely work on the move again immediately after an easy internal panel installation without worrying about continuous charger connection. Furthermore, integrated circuit protection controls and thermal safeguards are natively built-in to prevent overheating and ensure maximum battery lifespan safety.
■ Technical Specifications
| Battery Model Series | Acer AP18C8K / AP18C4K Series |
| Battery Type & Form Factor | Rechargeable Lithium-Polymer (Li-Poly) Internal Replacement |
| Total Capacity | 50.29 Wh (4343 mAh / 4471 mAh Standard Power Output) |
| Output Voltage | 11.25V / 11.4V Compatible Standard |
| Safety Architecture | Built-in Overcharge, Over-discharge & Thermal Protection Safeguards |
| Warranty Protection | El Hassan Quality Guarantee |
■ Confirmed Laptop Compatibility
- • Acer Aspire V5-571, V5-571G, V5-571P Series
- • Acer Aspire 5 A514-52, A514-52G, A515-54, A515-54G Series
- • Acer Swift 3 SF314-57, SF314-57G, SF314-58, SF314-58G Series
- • Acer Spin 3 SP314-54, SP314-54N Series
- • Compatible Part Numbers: AP18C8K, AP18C4K, 3ICP5/82/83, KT.0030G.020, KT0030G020
Battery Care Tip: For optimal battery calibration, charge your new replacement battery to 100% before first use, then discharge it to around 15% across the first 3 full cycles.

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