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Mobile van jumpstart · Battery keeps going flat

Battery Keeps Going Flat in Hillmorton? Drain Testing & Van Jumpstart

New battery still going flat in Hillmorton? That is a parasitic drain or charging fault, not a bad battery. Drain testing plus van jumpstart on-site.

Buying a second battery for the same car in a year is the clearest sign the first one was never the problem. Something is either draining charge while the car sleeps, or failing to put it back while the car runs.

Commercial vans park up cold overnight in Hillmorton and refuse to start when the temperature drops. That's parasitic drain plus an ageing battery — a jumpstart on the spot beats a tow every time.

Around Hillmorton the common jobs are morning no-starts on the yard, lunch-break dead batteries at customer sites, and end-of-day flatlines after tail-lift or refrigeration use.

Usage patterns that flatten good batteries

Cars left standing on canal-side houses for a week or more between uses are the other common case in CV21.

Locally that means the streets between Hillmorton and Rugby, with access via M6 J1 and M45 and a practical radius reaching Rugby (~2 mi) and Bilton (~2 mi).

Who this page is for

Owners in Hillmorton on their second or third battery for the same vehicle.

Domestically, canal-side houses and modern estates dominate around here, which shapes how these jobs are accessed and worked.

Local reference data — Hillmorton

Local authority
Rugby Borough Council
Typical property
canal-side houses and modern estates
Reference point
East Rugby suburb on the Oxford Canal.
Page focus
Battery keeps going flat
Nearest major town
Rugby (~2 miles)
Main routes
M6 J1 · M45 · A5

How a drain is actually traced

  • Charge acceptance is tested, because a sulphated battery can read 12.6V and still hold almost no usable energy.
  • Alternator output is checked under electrical load with headlights, blower and heated screen on, not just at idle.
  • AGM and EFB stop-start vans handled correctly — no fitting a standard flooded battery in an AGM slot
  • Every van jumpstart finishes with a charging-system reading, so the same fault does not reappear next week.

Flat again?

Third battery in two years is a diagnosis problem. We measure the draw and the charging output before anything is replaced. We route in via M6 J1, roughly 2 miles out from Rugby.

Repeat flat battery questions

Q.Is a parasitic drain always an electrical fault?

No. Sometimes it is an aftermarket dashcam, tracker or alarm wired to a permanent live. Those are the easy wins and we find them first.

Q.How long does drain testing take?

Allow around an hour. Most of that is waiting for the vehicle's modules to sleep — rushing it produces a meaningless number.

Q.Could short journeys alone be the cause?

Yes, and it is more common than people expect. If that is what the readings show, the fix is a conditioning charge and a change in usage, not another battery.

Q.Do you cover Hillmorton and the CV21 area for this?

Yes. Hillmorton is inside our routine coverage from Oldbury via M6 J1, roughly 2 miles from Rugby. We cover it alongside Rugby and the surrounding streets.

Q.Can you jumpstart a large diesel van?

Yes — our packs are rated for LCVs and small trucks up to around 7.5 tonnes. A booster designed for petrol cars won't do it; ours will.

Q.What if the van battery keeps going flat every week?

That's parasitic drain — usually a dashcam, tracker or aftermarket electrics wired to permanent live. We do a milliamp draw test and identify the circuit.

Drain faults found nearby

Recent job nearby: a car in Hillmorton on its third battery in two years. Drain measured at 480mA, traced to a boot latch microswitch keeping a module awake.
Recent job nearby: a vehicle off M6 J1 flattening weekly. Alternator produced 13.1V under load — replaced the charging fault, kept the original battery.

Where we test

Working out from CV21, the practical radius for a van jumpstart takes in Rugby, Bilton, Hillmorton and Newbold-on-Avon — all within a few minutes of M6 J1.

Why this is safe to book

  • Findings are written down with the actual current draw in milliamps, so any follow-up work starts from evidence.
  • Fully insured for work on driveways, business premises and private car parks across Rugby Borough Council.

Related pages

The short version

A battery that keeps dying is telling you about the car, not about itself. Measure the sleep draw and the charging voltage in Hillmorton and the real fault usually appears within the hour. Locally this is handled alongside Rugby and Bilton, so the van is rarely far away.

Stranded with a flat battery?

Call now or send a WhatsApp — we'll confirm your quote and dispatch the nearest engineer.

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