CTEK 40-658 NXT 5 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V
Product details
| Management number | 212831222 | Release Date | 2026/04/12 | List Price | $49.63 | Model Number | 212831222 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- All-in-one 12 V charger: Supports lead-acid (WET, MF, Ca/Ca, AGM, EFB, GEL) and lithium-ion (LiFePO₄) batteries from approx. 1.2 Ah up to 160 Ah.
- “Connect & Forget” convenience: Fully automatic operation — simply connect, select the mode, and let it manage the rest; great for cars, motorcycles, seasonal storage and more.
- Safe, user-friendly design: Spark-free operation, reverse polarity protection, compact robust housing (IP65 rated), and included Connect U-terminal for a permanent battery mount.
- Revives & reconditions exhausted batteries: Built-in desulphation and “Recond” modes recover deeply discharged or sulphated lead-acid batteries — extending battery life and performance.
- Automatic temperature compensation: Smart temperature sensors adjust the charging voltage for extreme hot or cold conditions (-4 °F/ -20 °C to +122 °F/ +50 °C) for optimal results.
- *Recondition your battery once per year and after deep discharge to maximize lifetime and capacity.
| Brand | CTEK |
|---|---|
| Color | Black |
| Amperage | 4.3 Amps |
| Manufacturer | CTEK |
| Model Number | 40-658 |
| Input Voltage | 120 Volts |
| Current Rating | 4.3 Amps |
| Output Voltage | 12 Volts (DC) |
| Mfr Part Number | 40-658 |
| Number of Ports | 1 |
| Specification Met | CE, FCC, UL |
| Warranty Description | LIMITED WARRANTY |
| Item Dimensions D x W x H | 5.91"D x 11.02"W x 2.36"H |
| Connector Type Used on Cable | U-terminal |
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