Model Number:AP16A4K Use:Notebook Type:Battery Pack, lithium, Rechargeable Battery Compatible Brand:For Acer Voltage:11.25V Capacity:42Wh/3770mAhReplacement Part Numbers: (Ctrl + F for fast search your laptop part numbers) AP16A4K KT.00304.007,KT.00304.003 Compatible with models: (Ctrl + F for fast search your laptop model) Aspire ONE CLOUDBOOK 11 AO1-132 series AO1-132-C0QL,AO1-132-C129,AO1-132-C1T4,AO1-132-C3FQ,AO1-132-C3T3 Swift 1 SF113-31-P57A, Swift 1 SF113-31-P0N9, Swift 1 SF113-31-P42V, Swift 1 SF113-31-P2XU, SWIFT 1 SF113-31-C7ZJ, Swift 1 SF113-31-P63H, Swift 1 SF113-31-P13P, Swift 1 SF113-31-P5WW etc. 1. Safe and reliable 2. Class A battery 3. More charging cycles 4. Durable performance 5. Efficient capacity, long-lasting work 6. Intelligent protection board: (new upgrade to ensure battery safety) Overheat protection, overcurrent protection, overvoltage protection, overcharge protection, overdischarge protection, short circuit protectionQ: What products your company specialize in? A: We specialize in laptop adapter, USB charger, wall charger, and laptop battery. Q: Can you provide Sample ? A: Yes, Sample can sent as your request. Q: Whether to provide customized design? A: Yes, modified and customer design is available. Q: What's your payment terms? A: Standard terms: T/T in advance and Western Union; Paypal. Please note: We are not responsible for any custom duty or import tax. Our price does not include taxes VAT, or other hidden charges. Q: What's the warranty service do you offer? A: We offer 12 months warranty for all our products. Q: How do you ensure product quality of your products? A: Strict QC with 6 steps testing from raw material purchase to finished product. Q: How do you ship the order normally? A: For large qty order, ship the goods by sea ; For small qty order, by air or express. We supply optional express for you, including DHL, FEDEX, UPS, TNT and so on.1 Do not modify or disassemble. 2 Do not burn or expose to overheating, which may lead to exposure. 3 Do not expose the battery to water or other wet / damp substances. 4 Avoid puncturing, bumping, squeezing or abusing the battery. 5 If you don't use it for a long time, please don't forget to remove the battery from the device. 6 Keep the original battery pack away from metal objects, such as necklaces or hairpins, to avoid short circuit of terminals.