Keep every vehicle battery fully charged, maintained, and ready to start in any season with the JoltNapo Car Battery Trickle Charger. Stop being caught out by flat batteries after storage, cold weather, or prolonged inactivity.

Why this charger is better than a standard trickle charger

Four selectable charging modes including REPAIR – 2A trickle for small/sensitive batteries, 5A for everyday vehicles, 15A fast charge for larger batteries, plus a dedicated REPAIR pulse mode that revives sulfated, low‑voltage, and long‑idle batteries that standard chargers cannot recover.

Temperature‑adaptive smart charging – automatically adjusts charging voltage based on ambient temperature. Summer Mode above 28°C lowers voltage to protect against heat stress. Winter Mode below -10°C raises voltage to ensure complete charge in freezing conditions.

Repair mode for battery recovery – the dedicated PUL pulse repair mode applies targeted pulse charging to sulfated battery plates and deeply discharged cells. Restores lost capacity and extends battery life.

Wide battery chemistry compatibility – works with LiFePO4 lithium batteries and all lead‑acid types (AGM, GEL, SLA, Flooded, WET, EFB) across 12V and 24V systems. One charger for every vehicle in your household.

Backlit LCD with real‑time status display – shows voltage, charge percentage(20/40/60/80/100%), selected amperage, ambient temperature, and active mode. Complete picture at a glance.

Six‑layer comprehensive safety protection – covers overheating, low voltage, short circuit, reverse connection, overcurrent, and overvoltage. Safe to leave connected in float maintenance mode indefinitely.

What's included

• 1 x JoltNapo battery trickle charger

• 1 x set of battery leads (alligator clips)

• 1 x set of ring terminals

• 1 x user manual

Technical specs

• Charging modes: 2A / 5A / 15A / REPAIR (pulse)

• Compatibility: LiFePO4 + all lead‑acid (AGM, GEL, SLA, Flooded, WET, EFB)

• Voltage: 12V and 24V

• Protection: 6 layers (overheat, low voltage, short, reverse, overcurrent, overvoltage)

• Display: Backlit LCD with real‑time status

• Temperature compensation: Summer Mode (>28°C) / Winter Mode (<-10°C)

Best for

Car owners, motorcycle riders, boat owners, RV travellers, garages, or anyone who stores seasonal vehicles (classic cars, motorcycles, lawn mowers, boats) and wants every battery ready to start – without buying multiple chargers.

FAQs 

Q: What battery types is it compatible with?
A: LiFePO4 lithium and all lead‑acid types (AGM, GEL, SLA, Flooded, WET, EFB) – 12V and 24V systems.

Q: How do I select the right charging mode?
A: Press MODE button: 2A (small motorcycle/scooter), 5A (standard car), 15A (fast charge for larger batteries), REPAIR (sulfated or long‑idle batteries).

Q: Can it actually revive a completely flat or sulfated battery?
A: Yes – the dedicated REPAIR pulse mode targets sulfated plates and deeply discharged cells, breaking down sulfate crystal buildup to restore charge receptivity.

Q: Does it automatically adjust for cold weather?
A: Yes – temperature‑adaptive system detects below -10°C and switches to Winter Mode, raising voltage to overcome reduced charge receptivity.

Q: Is it safe to leave connected overnight or for extended periods?
A: Yes – float maintenance mode keeps battery at full charge without overcharging. Six‑layer protection ensures safe indefinitely extended connection.

Q: What does the LCD display show?
A: Voltage, charge percentage (20–100%), selected amperage, ambient temperature, and active mode (Winter/Summer/Repair/Float).

Q: Is reverse polarity connection protected?
A: Yes – dedicated reverse connection protection prevents current flow until leads are correctly connected.

Q: What vehicles is it suitable for?
A: Cars, SUVs, trucks, motorcycles, scooters, RVs, vans, motorboats, lawn mowers – any 12V or 24V vehicle with compatible battery chemistry.