Mobile van jumpstart · Battery keeps going flat
Repeat Flat Batteries — Oldbury van jumpstart & Diagnosis
Flat again in Oldbury? We measure quiescent current and alternator output before selling anyone another battery. Mobile Van Jumpstart, 24/7.
A healthy vehicle should draw around 20–50 milliamps once everything has gone to sleep. A faulty module, an aftermarket alarm or a stuck relay can pull ten times that, which flattens a good battery in two or three days.
A dead Transit, Sprinter, Vivaro or Crafter on a B68 driveway usually isn't a garage job. A proper mobile jumpstart with a 2000A+ pack gets you running in minutes without a recovery truck.
We cover the B68, B69 area regularly for trade customers running Ford Transits, Mercedes Sprinters, VW Transporters, Vauxhall Vivaros, Renault Trafics and Peugeot Boxers.
Drain faults found nearby
Recent job nearby: a car in Oldbury 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 M5 J2 flattening weekly. Alternator produced 13.1V under load — replaced the charging fault, kept the original battery.
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.
- Battery voltage and cold-cranking amps measured with a proper Midtronics-style tester, not a cheap voltmeter
- Van Jumpstart work here is judged against the vehicle's own specification rather than a generic pass mark.
Usage patterns that flatten good batteries
We see this pattern often with cars used for short journeys around Oldbury — a 10-minute trip never replaces the charge that starting consumed, so the battery slowly sinks regardless of health.
Locally that means Oldbury itself plus the neighbourhoods that feed into it, with access via M5 J2 and A4123 and a practical radius reaching Langley (~1 mi) and Warley (~1 mi).
Repeat flat battery questions
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.
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 Oldbury and the B68 area for this?
Yes. Oldbury is inside our routine coverage from Oldbury via M5 J2, roughly 6 miles from Birmingham. We also cover the surrounding neighbourhoods on the same run.
Q.Do I need to register a new van battery to the ECU?
On Sprinters, Crafters, T6 Transporters and newer Custom Transits — yes. We carry the OBD tool and code it as part of the fit.
Who this page is for
Owners in Oldbury on their second or third battery for the same vehicle.
Domestically, canal-side terraces and trading-estate units dominate around here, which shapes how these jobs are accessed and worked.
Local reference data — Oldbury
- Typical property
- canal-side terraces and trading-estate units
- Local authority
- Sandwell Metropolitan Borough Council
- Reference point
- Sandwell Council House
- County
- West Midlands
- Nearest major town
- Birmingham (~6 miles)
- Area type
- Town / district hub
Where we test
As a district hub, Oldbury is covered alongside its surrounding neighbourhoods, so a battery keeps going flat call from any of them routes to the same engineer.
Why this is safe to book
- We will not sell a battery to a car whose battery is not the fault.
- Fully insured for work on driveways, business premises and private car parks across Sandwell Metropolitan Borough Council.
Related pages
- Fleet & Business Jumpstart — battery keeps going flat in Oldbury
- 24/7 Emergency Jumpstart — battery keeps going flat in Oldbury
- Stranded in a car park — van jumpstart in Oldbury
- Taxi and private hire — van jumpstart in Oldbury
- Same-hour response — van jumpstart in Oldbury
- Battery keeps going flat in Langley (~1 mi)
- Battery keeps going flat in Warley (~1 mi)
- Battery keeps going flat in Rowley Regis (~2 mi)
- Battery keeps going flat in Langley
- Van Jumpstart in Oldbury — main page
- All jumpstart services in Oldbury
Stop buying batteries. Find the drain.
Proper quiescent current testing in Oldbury, with the offending circuit identified rather than guessed. Van Jumpstart covers canal-side terraces and trading-estate units and trade vehicles alike, all from the same van.
The short version
Repeat failures are solved with a meter, not a parts catalogue. Find the drain, fix the cause, and the next battery lasts its full life. For van jumpstart specifically, that means alternator output tested at idle and at 2000 rpm before we leave, so we know the recharge will actually work
Stranded with a flat battery?
Call now or send a WhatsApp — we'll confirm your quote and dispatch the nearest engineer.