Inspiron 15 3520 Setup and Specifications

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Battery

The following table lists the battery specifications of your Inspiron 15 3520.

Table 1. Battery specifications
The following table provides the detailed battery specifications of Inspiron 15 3520.
Description		Option one	Option two
Battery type		3-cell, 41 Wh lithium-polymer	4-cell, 54 Wh lithium-polymer
Battery voltage		11.25 VDC	15.0 VDC
Battery weight (maximum)		0.19 kg (0.41 lb)	0.24 kg (0.55 lb)
Battery dimensions:
	Height	206.40 mm (8.12 in.)	271.90 mm (10.70 in.)
	Width	82.00 mm (3.22 in.)	82.00 mm (3.22 in.)
	Depth	5.75 mm (0.22 in.)	5.75 mm (0.22 in.)
Temperature range:
	Operating	When charging battery: Initiate charging: 0°C to 45°C (32°F to 113°F) Upper limit for charging (maximum): 50°C (122°F) When discharging battery: Normal discharging: 0°C to 60°C (32°F to 140°F) Over temperature protection (maximum): 70°C (158°F) NOTE: The battery does not allow discharge past this temperature.	When charging battery: Initiate charging: 0°C to 45°C (32°F to 113°F) Upper limit for charging (maximum): 50°C (122°F) When discharging battery: Normal discharging: 0°C to 60°C (32°F to 140°F) Over temperature protection (maximum): 70°C (158°F) NOTE: The battery does not allow discharge past this temperature.
	Storage	-20°C to 60°C (-4°F to 140°F)	-20°C to 60°C (-4°F to 140°F)
Battery operating time		Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions.	Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions.
Battery charging time (approximate) NOTE:You can control the charging time, duration, start and end time, and so on, using the settings on the MyDell application (Power option). For more information about MyDell application, search in the Knowledge Base Resource at Dell Support Site.		Standard Charge/Predominately AC User Charge Method: 0 - 15°C maximum allowable charge time from 0 to 100% RSOC is 4 hours 16 - 50°C maximum allowable charge time from 0 to 100% RSOC is 3 hours Express Charge Method: 0 - 15°C maximum allowable charge time from 0 to 100% RSOC is 4 hours 16 - 45°C normal express charge 46 - 50°C maximum allowable charge time from 0 to 80% RSOC is 1 hours charge time from 0 to 100% RSOC is 2 hours Express Charge Boost Charge Method (Fast Charge for Initial 35%): 16 - 45°C target charge time from 0 to 35% RSOC is 20 mins for Accelerated Charge	Standard Charge/Predominately AC User Charge Method: 0 - 15°C maximum allowable charge time from 0 to 100% RSOC is 4 hours 16 - 50°C maximum allowable charge time from 0 to 100% RSOC is 3 hours Express Charge Method: 0 - 15°C maximum allowable charge time from 0 to 100% RSOC is 4 hours 16 - 45°C normal express charge 46 - 50°C maximum allowable charge time from 0 to 80% RSOC is 1 hours charge time from 0 to 100% RSOC is 2 hours Express Charge Boost Charge Method (Fast Charge for Initial 35%): 16 - 45°C target charge time from 0 to 35% RSOC is 20 mins for Accelerated Charge
Coin-cell battery		NA	NA
CAUTION:Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components. CAUTION:Dell Technologies recommends that you charge the battery regularly for optimal power consumption.