1. Introduzione
This manual provides essential instructions for the safe and effective operation of your CRAFTSMAN CMXCESM258 12A Car Battery Charger and Maintainer. This device is a 4-in-1 solution designed to charge, maintain, test, and recondition 6V and 12V batteries. It is compatible with various battery types including standard, AGM, lithium (LiFePO4), and deep-cycle batteries found in power sport vehicles, automobiles, and marine applications.

Immagine 1.1: anteriore view of the CRAFTSMAN CMXCESM258 battery charger.
2. Importanti istruzioni di sicurezza
AVVERTIMENTO: Read all instructions carefully before using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury. Save these instructions for future reference.
2.1 Precauzioni generali di sicurezza
- Quando si lavora con le batterie, indossare sempre occhiali protettivi e indumenti protettivi.
- Assicurare una ventilazione adeguata durante la ricarica delle batterie per evitare l'accumulo di gas esplosivi.
- Non fumare e non lasciare scintille o fiamme libere nelle vicinanze della batteria o del caricabatterie.
- Non caricare mai una batteria congelata.
- Tenere il caricabatterie lontano da acqua, pioggia o umidità eccessiva.
- Non utilizzare il caricabatterie se ha subito un forte colpo, è caduto o è stato danneggiato in altro modo.
- Questo prodotto contiene sostanze chimiche note allo Stato della California come causa di cancro e malformazioni congenite o altri danni all'apparato riproduttivo.
2.2 Sicurezza elettrica
- Ensure the AC power cord is in good condition and not damaged.
- Collegare il caricabatterie a una presa adeguatamente messa a terra.
- Scollegare l'alimentazione CA prima di effettuare o interrompere i collegamenti alla batteria.
3. Contenuto della confezione
Verificare che tutti gli articoli siano presenti nel pacco:
- (1) CRAFTSMAN CMXCESM258 Fully Automatic Battery Charger and Maintainer
- (1) Manuale d'uso
4. Caratteristiche del prodotto
The CRAFTSMAN CMXCESM258 offers a range of features for comprehensive battery care:
- Dispositivo 4 in 1: Charges, maintains, tests, and reconditions batteries.
- Immediate Charging Power: Delivers 12-amp 12V charging, 3-amp 12V charging and maintaining, and 2-amp 6V charging and maintaining.
- Smart Trickle Charge: Maintains 6V and 12V batteries safely over time without overcharging.
- Ampia compatibilità: Works with gas and diesel vehicles, 6V and 12V batteries, including standard, AGM, lithium (LiFePO4), and deep-cycle battery types.
- Battery Reconditioning: Helps extend battery life and improve performance with an advanced desulfation mode.
- Built-In Battery Tester: Quickly checks battery health for easy diagnostics.
- Protezione da inversione di polarità: Prevents damage to your battery and vehicle if clamps are accidentally reversed.
- Alimentazione CA: This unit, with a 6-foot power cord and booster cables, must be plugged in during use.

Image 4.1: Key components of the CRAFTSMAN CMXCESM258 battery charger.

Image 4.2: The charger features reverse polarity protection to prevent damage from incorrect connections.

Image 4.3: Compatibility chart detailing supported vehicle types and battery functions.
5. Impostazione
Before connecting the charger, ensure the vehicle is turned off and in a well-ventilated area. Follow these steps for initial setup:
- Identify the battery terminals (positive and negative).
- Ensure the charger's AC power cord is unplugged from the electrical outlet.
- Collegare il rosso (positivo) clamp al polo positivo (+) della batteria.
- Collegare il nero (negativo) clamp to the negative (-) battery terminal. For vehicles, connect the negative clamp su una parte metallica non verniciata del telaio del veicolo, lontano dalla batteria e dal tubo del carburante.
- Plug the charger's AC power cord into a standard 120V AC electrical outlet.

Image 5.1: Quick start guide for connecting and operating the charger.

Image 5.2: The charger requires a standard AC power connection for operation.
6. Istruzioni per l'uso
Once connected and powered, the charger will automatically detect the battery voltage. Follow these steps to begin charging:
- Seleziona il tipo di batteria: Use the 'Battery Type' button on the charger's control panel to select the appropriate battery chemistry (Standard, AGM, Lithium, Deep Cycle).
- Seleziona la tariffa di addebito: Use the 'Rate Selection' button to choose the desired charging amperage (e.g., 12A for fast charge, 3A for maintenance, 2A for 6V).
- Inizia a caricare: Press the 'Start/Stop' button to initiate the charging process. The display will show charging status and battery voltage.
- Monitorare i progressi: The charger's display and LED indicators will show the charging progress.
- Termina la ricarica: Once charging is complete, the charger will automatically switch to maintenance mode or indicate full charge.
- Disconnetti: First, press the 'Start/Stop' button to stop charging. Then, unplug the AC power cord from the outlet. Finally, disconnect the negative (black) clamp, seguito dal positivo (rosso) clamp dalla batteria.

Image 6.1: The charger in use within an engine bay, demonstrating practical application.

Image 6.2: The charger with its color-coded clamps connected, illustrating proper setup.
7. Manutenzione
Regular maintenance ensures the longevity and optimal performance of your battery charger:
- Pulizia: Pulisci il caricabatterie casincon un panno morbido e asciutto. Non utilizzare solventi o detergenti abrasivi.
- Cavo e Clamp Ispezione: Periodically inspect the AC power cord, battery cables, and clampper eventuali segni di danneggiamento, sfilacciamento o corrosione. Sostituire se necessario.
- Magazzinaggio: Store the charger in a clean, dry, and cool place when not in use. Ensure cables are neatly coiled and not kinked.
8. Risoluzione Dei Problemi
If you encounter issues with your CRAFTSMAN CMXCESM258, refer to the following common problems and solutions:
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Il caricabatterie non si accende | No AC power; Faulty outlet; Damaged cord | Check AC outlet; Inspect power cord; Try a different outlet. |
| Il caricabatterie non carica la batteria | Incorrect battery connection; Battery is severely discharged or faulty; Incorrect mode selected | Ensure correct polarity; Test battery health; Select appropriate battery type and charge rate. |
| Messaggio di errore sul display | Reverse polarity; Short circuit; Internal fault | Controllare clamp connections; Disconnect and reconnect; If error persists, contact customer support. |
| Il caricabatterie si riscalda durante il funzionamento | Normal operation; Overload | Slight warmth is normal. Ensure adequate ventilation. If excessively hot, disconnect and allow to cool. |
If troubleshooting steps do not resolve the issue, contact CRAFTSMAN customer support.
9. Specifiche
Detailed technical specifications for the CRAFTSMAN CMXCESM258:
- Marca:
- ARTIGIANO
- Numero modello:
- CMXCESM258
- Dimensioni del prodotto:
- 12"P x 16"L x 5"A
- Peso dell'articolo:
- 3.4 libbre
- Volume di uscitatage:
- 12 Volt
- Ingresso volumetage:
- 12 Volt
- Valutazione attuale (Ampetà):
- 12 Amps
- Dispositivi compatibili:
- Standard, AGM, Lithium (LiFePO4), Deep Cycle batteries for Gas and Diesel Vehicles
- Tipo di connettore:
- Clamp
- Certificazioni:
- UL, FCC
- Produttore:
- Schumacher elettrico
- Codice UPC:
- 026666302586

Image 9.1: Physical dimensions and weight of the CRAFTSMAN CMXCESM258.
10. Garanzia e supporto
The CRAFTSMAN CMXCESM258 Battery Charger and Maintainer is backed by a 1-year limited warranty. This warranty covers defects in material and workmanship. Proof of purchase is required for warranty claims. The warranty is not transferable. For detailed warranty information, please refer to the official CRAFTSMAN websito.
For technical assistance, troubleshooting, or warranty claims, please contact CRAFTSMAN customer support through their official channels.

Image 10.1: Information regarding the 1-year limited warranty.