A healthy battery drained flat by lights or a boot open overnight normally recovers fully — it doesn't need replacing, it needs a proper jumpstart and a decent drive after.
We load-test on the spot so you know whether the battery came back to full spec, and only recommend replacement if it genuinely didn't.
From call to key-turn
- 1
Call
Talk to a real engineer, not a call centre. Fixed price on the phone.
- 2
Route
We tell you our ETA and route via the fastest corridor — no vague windows.
- 3
Test & fit
On your driveway, in a car park, at the roadside — same process, honest result.
- 4
Recycle & warranty
Old battery taken away, warranty registered, all in one visit.
Key facts — Lights left on
- Typical drain
- 5–10A from headlights left on, ~1A from an interior lamp
- Full flat
- Reached in 2–8 hours depending on the light
- Recovery
- Usually 100% if battery was healthy beforehand
- What we do
- Jumpstart, load test, advise on drive time to restore charge
What we actually see on these jobs
- One accidental flat won't ruin a good battery — repeated ones might.
- If the battery load-tests low after the jump, it was already tired and the incident just finished it off.
- We can quickly identify which door / boot switch is jammed if it wasn't just the lights.
Who calls us for this
Distracted drivers back from a big shop, kids-in-the-car parents, and anyone who left an interior lamp glowing overnight.
Lights left on — specific questions
Q.Do I need a new battery after leaving my lights on?
Usually no — a healthy battery recovers fully after a jumpstart and a 20-minute drive. We'll load-test to confirm.
Q.How long do I need to drive after the jumpstart?
About 20–30 minutes at motorway speeds is ideal; short town-driving alone won't fully recharge from empty.
Q.What if my boot light keeps draining the battery?
We can diagnose which switch is stuck at your location — usually a jammed boot or door latch on older cars.
General questions
Q.Are you open 24/7?
Yes — genuine 24/7, including nights, weekends and bank holidays, at the same price as daytime. No unsociable-hours surcharge.
Q.What warranty comes with a new battery?
Tier-1 batteries with 2–4 year warranty depending on chemistry (standard flooded, EFB or AGM). Warranty is transferable and registered on the day.
Q.How quickly can you get to me?
Typically 45–60 minutes across the West Midlands from our Oldbury base — faster off-peak and at night when the roads are empty.
Related guides
In short
It's almost never a battery replacement — it's a jumpstart and honest advice. We do both, day or night.