Accurately Adapts to Dell Inspiron Series: Designed for Dell Inspiron N4010/N5010/14R/15R and other classic models, compatible with part numbers 312-1201 and 312-0234, plug-and-play without driver, perfect replacement for the original battery. Long Life and Stable Output: 56Wh/5200mAh high-capacity configuration, supporting 6-8 hours of continuous use, with upgraded core technology, compared with the old battery life increased by 25%, to meet the needs of daily office, audio-visual entertainment. Multiple Safety Protection System: Built-in intelligent chip monitors voltage/current in real time, effectively preventing over-charging, over-discharging, overheating and short-circuiting, and passes CE/FCC/RoHS international safety certification, running at low and stable temperatures to protect the safety of equipment. High-Quality and Durable Battery Cell: A-grade lithium-ion polymer battery cell is selected, which has been tested by 500+ charge/discharge cycles, with less than 20% capacity degradation, stable and fluctuation-free output, and is compatible with both original and third-party chargers for reliable performance in long-term use. Worry-Free After-Sales Protection: 12 months long warranty + 30 days no reason to return or exchange, professional customer service 724 hours online to answer questions, before purchasing, you can confirm the suitability of the model comparison table in the “product description” to avoid the risk of wrong purchase. Reliable Power Upgrade for Dell Inspiron N4010/N5010 Series Revitalize your laptop with the GBLGBD N4010 replacement battery, engineered to deliver consistent power and durability for Dell Inspiron users who need reliable performance on the go. Core Compatible Models Perfectly compatible with the following models and part numbers: Dell Inspiron N3010 N3010D N3110 N4010 N4010D N4011 N4040 N4050 N5010 N5010D N5011 N5020 N5030 N5040 N5050 N5110 N7010 N7011 N7110 13R 14R 15R 17R 3420 3520 M501 M5010 M5011 M5020 M5030 M5040 M5110; Vostro 1440 1450 1540 1550 3450 3550 3555 3750 Replacement Part Numbers: 04YRJH 06P6PN 07XFJJ 312-0233 312-0234 312-1205 383CW 451-11510 4T7JN 965Y7 9T48V 9TCXN FMHC1O FMHC10 JIKND J4XDH O4YRJH O6P6PN O7XFJJ TKV2V W7H3N WT2P4 YXVK2 (Please confirm model number and part number via the label on the bottom of the unit or on Dell's website before purchasing) Performance and Safety Benefits Powerful power: 10.8V voltage with 56Wh (5200mAh) capacity, support multitasking, HD video playback and other load scenarios, a single charge to meet the full day of light use. Intelligent protection: Built-in over-charging/over-discharging protection circuitry, automatic power-off when the battery temperature exceeds 60?, and fireproof case design, all-round protection for the safety of devices and users. Long-lasting and durable: After strict aging test, it supports 500+ full charge/discharge cycles, with a life span of 2-3 years under normal use, and the performance degradation is much lower than the industry average. Installation and Usage Guidelines Easy Installation: Power off your laptop, remove the old battery (usually located on the bottom of the device), align the connector and insert the new battery until the tab locks, no setup required. First use: It is recommended to charge the battery to 100% for the first time to activate the battery activity, please keep the battery at 20%-80% for long term storage to avoid over-discharging and affecting the life of the battery. Applicable scenarios: Ideal battery life solution for students' classroom, business trips, family entertainment and other scenarios, say goodbye to frequent plug-in troubles. Packing List: 1 N4010 laptop battery 1 User manual Warranty: We promise 12 months warranty service, if the battery has substandard capacity, compatibility problems or manufacturing defects, you can contact customer service at any time for a free replacement or full refund. Choose us to put lasting power into your laptop!