trickle charge: meaning, definition, pronunciation and examples
Low-MediumTechnical/Technical-Specialist (engineering, automotive), extended figurative use can be neutral/informal
Quick answer
What does “trickle charge” mean?
A method of charging a battery slowly and continuously at a very low rate, typically to maintain a full charge or to compensate for self-discharge.
Audio
Pronunciation
Definition
Meaning and Definition
A method of charging a battery slowly and continuously at a very low rate, typically to maintain a full charge or to compensate for self-discharge.
By extension, any slow, gradual, and continuous input or supply of something, such as information, money, or people.
Dialectal Variation
British vs American Usage
Differences
No significant difference in core technical meaning or pronunciation.
Connotations
In figurative use, both varieties understand it. In technical contexts, it is universally recognized.
Frequency
Slightly more common in automotive and DIY contexts in the US, but functionally identical frequency.
Grammar
How to Use “trickle charge” in a Sentence
[battery] [is/was/needs] trickle-charged.[subject] trickle-charges [battery].[subject] is on a trickle charge.[subject] [provides/maintains] a trickle charge to [object].Vocabulary
Collocations
Examples
Examples of “trickle charge” in a Sentence
verb
British English
- I trickle-charge the tractor battery in the shed.
- The solar panel trickle-charges the leisure battery.
American English
- You should trickle-charge your motorcycle battery over winter.
- The system automatically trickle-charges when voltage drops.
adjective
British English
- It's a trickle-charge unit.
- The trickle-charge function prevents sulfation.
American English
- I bought a trickle-charge maintainer.
- Check the trickle-charge setting on the charger.
Usage
Meaning in Context
Business
Figurative: 'We need a trickle charge of new clients to sustain the pipeline.'
Academic
Technical papers on battery technology or energy storage.
Everyday
Car maintenance: 'I keep the classic car's battery on a trickle charge over the winter.'
Technical
Standard term in electrical engineering, automotive manuals, and battery datasheets.
Vocabulary
Synonyms of “trickle charge”
Strong
Neutral
Weak
Vocabulary
Antonyms of “trickle charge”
Watch out
Common Mistakes When Using “trickle charge”
- Incorrect: 'trickle-charge the device' (for modern phones/computers where this terminology isn't standard).
- Confusing 'trickle charge' with 'fast charge'.
FAQ
Frequently Asked Questions
No. It is safe for lead-acid and Ni-Cd batteries but can damage modern lithium-ion batteries if not specifically designed for it. Always check the manufacturer's instructions.
They are very similar and often used interchangeably. Technically, a float charge maintains a constant voltage after full charge, while a trickle charge provides a constant, very low current. Both aim to maintain a full charge.
Yes, it's increasingly used to describe any slow, steady, and continuous input, e.g., 'a trickle charge of donations' or 'information trickle-charged into the system'.
Indefinitely, if using a modern smart trickle charger/maintainer. Old-fashioned, simple trickle chargers could overcharge and should be monitored.
A method of charging a battery slowly and continuously at a very low rate, typically to maintain a full charge or to compensate for self-discharge.
Trickle charge is usually technical/technical-specialist (engineering, automotive), extended figurative use can be neutral/informal in register.
Trickle charge: in British English it is pronounced /ˌtrɪkl̩ ˈtʃɑːdʒ/, and in American English it is pronounced /ˌtrɪk(ə)l ˈtʃɑrdʒ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Trickle-down economics”
- “Trickle-down effect (loosely related conceptually)”
Learning
Memory Aids
Mnemonic
Imagine a thin, slow TRICKLE of water constantly dripping into a bucket (the battery) to keep it full, rather than a powerful hose (fast charge).
Conceptual Metaphor
ELECTRICAL CHARGE IS A FLUID. A FAST CHARGE IS A FLUID GUSH. A TRICKLE CHARGE IS A SLOW DRIP/CONTINUOUS FLOW.
Practice
Quiz
What is the primary purpose of a trickle charge?