Car Charger with Voltage Display for Battery Health
Batteries never announce their decline — they just fail on the coldest morning. This charger watches them: an LCD voltage readout on a 360-degree rotating head, so the driver sees the charging-system trend long before the no-start. Dual USB outputs handle the phones while the display does the diagnostics.
Key Features
- Live voltage readout — the battery’s health, visible every drive
- 360-degree rotating head — the display angled to the driver
- Early-warning value — the failing alternator caught in advance
- Dual USB 5V/2.1A — diagnostics and charging, one unit
- Auto-care retail pitch — merchandised as maintenance, not accessory
Specifications — Typical Configuration (customizable per order)
- Shell: rotating-head body with LCD voltage display
- Input: DC 12–24V · Output: 5V/2.1A dual USB
- Display: LCD voltage monitor
- Certification: CE / RoHS / FCC · Warranty: 12 months
Final configuration confirmed with you before order confirmation.
Customization & Ordering
Brand for the auto-care chain, confirm the display accuracy spec, quote the shelf volume. Sampling in 5–7 days, FOB Shenzhen.












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