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why it only takes a minute to recharge a car battery when you need a jump start but phone batteries and lap top batteries take hours.

Mark Sterling
Mark Sterling
Research Editor · Mar 17, 2026 · Updated Apr 13, 2026

you only need enough charge to turn the motor over for a jump. then the alternator kicks in and charges the battery the rest of the way while the motor is running. edit: i knew it draws charge from the other vehicle, but doesn't it also charge your battery a small amount also.

76
Words

1 min
Read Time

#214
of 500 in Technology

+1%
vs Category Avg

The Short Answer

you only need enough charge to turn the motor over for a jump. then the alternator kicks in and charges the battery the rest of the way while the motor is running. edit: i knew it draws charge from the other vehicle, but doesn't it also charge your battery a small amount also. i usually let it sit connected up for a moment before trying to turn the car over whenever i jumped in the past

Analysis

Key Concepts: Charge, turn, motor

This explanation focuses on charge, turn, motor and spans 76 words across 4 sentences. The depth is typical for Technology questions (category average: 75 words), striking a balance between accessibility and completeness.

What This Answer Covers

The explanation opens with: “you only need enough charge to turn the motor over for a jump.” It then elaborates by presenting a contrasting perspective, ultimately building toward a complete picture across 4 connected points.

How This Compares in Technology

Ranked #214 of 500 Technology questions by answer depth (top 44%). This falls in the detailed tier — above average depth. The explanation goes beyond surface-level but keeps things accessible.

Frequently Asked Questions

Is there a simple explanation for why why it only takes a minute to recharge a car battery when you need a jump start but phone batteries and lap top batteries take hours.?

you only need enough charge to turn the motor over for a jump. then the alternator kicks in and charges the battery the rest of the way while the motor is running. edit: i knew it draws charge from the other vehicle, but doesn't it also charge your…

How detailed is this explanation compared to similar Technology questions?

This is an above-average answer at 76 words, ranked #214 of 500 Technology questions by depth. The key concepts covered are charge, turn, motor.

What approach does this answer take to explain why it only takes a minute to recharge a car battery when yo?

The explanation uses contrasting perspectives across 76 words. It is categorized under Technology and addresses the question through 1 analytical lens.