1. Uvod
This manual provides essential instructions for the safe and effective operation, setup, and maintenance of your NEXPEAK NC315 or NC215 15Amp Battery Charger. These chargers are designed for 12V and 24V LiFePO4 and lead-acid batteries, including AGM, GEL, SLA, and Flooded types, commonly found in cars, trucks, SUVs, motorcycles, lawnmowers, and marine applications. Please read this manual thoroughly before using the device.
2. Važne informacije o sigurnosti
Always prioritize safety when working with electrical devices and batteries. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Pročitajte sva uputstva: Before operating the charger, read all instructions and cautionary markings on the charger, the battery, and the vehicle or device using the battery.
- ventilacija: Osigurajte da je prostor za punjenje dobro prozračen. Baterije mogu proizvesti eksplozivne plinove tokom punjenja.
- Zaštita očiju i kože: Always wear eye protection and protective clothing when working with batteries. Avoid touching eyes while working near batteries.
- Izbjegavajte iskre i plamen: Ne pušite i ne dozvolite da varnice ili plamen budu u blizini akumulatora ili motora.
- Isključite napajanje: Uvijek isključite kabel za napajanje izmjeničnom strujom iz utičnice prije spajanja ili prekidanja veza s baterijom.
- Proper Voltage: Provjerite je li punjač postavljen na ispravnu jačinu zvukatage (12V ili 24V) za bateriju koja se puni.
- Oštećena oprema: Ne koristite punjač ako je pretrpio jak udarac, ako je pao ili je na drugi način oštećen.
- djeca: Keep the charger and batteries out of reach of children.
- Nepunjive baterije: Ne pokušavajte da punite nepunjive baterije.
3. Proizvod je gotovview
The NEXPEAK NC315 and NC215 battery chargers are advanced, multi-stage smart chargers designed for efficiency and safety. They feature a large LCD screen for clear visualization of charging status and multiple protection mechanisms.
3.1 Ključne karakteristike
- Svestrano punjenje: Supports 12V 15-Amp and 24V 8-Amp charging for LiFePO4 and lead-acid batteries (AGM, GEL, SLA, Flooded).
- 9-Stage Pametno punjenje: An optimized charging process for enhanced battery life and performance.
- Veliki LCD ekran: Displays real-time charging status, voltage, current, internal temperature, and charge percentage.
- Funkcija popravke pulsa: Automatski detektuje i popravlja sulfaciju i kiselinsku stratifikaciju baterije kako bi obnovio performanse.
- Višestruke zaštite: Includes smart control, temperature compensation, reverse polarity protection, cooling system, overcurrent, fireproof material, overvoltage, i zaštita od kratkog spoja.
- Trickle/Float Mode: Automatically maintains batteries after full charge, ideal for long-term storage.
- Temperaturna kompenzacija: Adjusts charging parameters based on ambient temperature for optimal charging in various climates.
3.2 Komponente punjača

Slika 1: NEXPEAK NC315 (with handle) and NC215 (compact) Battery Chargers. Both models feature a clear LCD display and robust casing.
- Glavna jedinica: The charger body containing the electronics and display.
- LCD ekran: Front panel screen showing charging information.
- Dugme za način rada: Used to select different charging modes.
- Baterija Clamps: Crveni (+) i crni (-) clampza spajanje na terminale akumulatora.
- AC kabl za napajanje: Za spajanje punjača na zidnu utičnicu.
4. Specifikacije
| Feature | Opis |
|---|---|
| Ulazni voltage | 100-240V AC, 50/60Hz |
| Output Voltage | 12V / 24V Automatsko prepoznavanje |
| Struja punjenja (12V) | 15 Amps |
| Struja punjenja (24V) | 8 Amps |
| Struja punjenja | 1.75 Amps (približno) |
| Vrste baterija | LiFePO4, Lead-Acid (AGM, GEL, SLA, Flooded) |
| Punjenje Stages | 9-Stage Pametno punjenje |
| Display | Veliki LCD ekran |
| Dužina kabla | 10 ft (approx.) |
| Zaštite | Reverse Polarity, Overcurrent, Overcharge, Short Circuit, Overvoltage, Temperature Compensation, Cooling System, Fireproof Material |
5. Podešavanje i povezivanje
Follow these steps to safely connect the battery charger to your battery.
- Pripremite bateriju: Provjerite jesu li terminali akumulatora čisti i bez korozije. Ako punite akumulator u vozilu, provjerite je li vozilo isključeno i u neutralnom/parkirnom položaju s uključenom ručnom kočnicom.
- Connect Red Clamp: Connect the RED (+) positive charger clamp na pozitivni (+) terminal baterije.
- Connect Black Clamp: Connect the BLACK (-) negative charger clamp to the negative (-) battery terminal. If connecting to a vehicle battery, connect the black clamp na šasiju vozila dalje od akumulatora i dovoda goriva.
- Povežite se na napajanje: Plug the AC power cord into a standard wall outlet. The charger will power on and begin its initial detection process.

Slika 2: Proper connection of the NEXPEAK battery charger to a lead-acid battery, showing the red clamp na pozitivnom terminalu i crnom clamp na negativnom terminalu.
6. Uputstvo za upotrebu
Nakon povezivanja, punjač će automatski detektovati napunjenost baterijetage (12V or 24V). Use the 'MODE' button to select the appropriate charging program.
6.1 Odabir načina rada

Slika 3: The charger's LCD screen displaying various charging modes, including Lead-acid/LiFePO4, Pulse Repair, Summer Mode, and Trickle Charger options.
Pritisnite MODE button to cycle through the available charging programs:
- STD (Standardno): For standard 12V/24V lead-acid batteries (Flooded, GEL, SLA, AGM).
- LiFePO4: Specifically for 12V/24V Lithium Iron Phosphate batteries.
- MOTOCIKL: A lower current charge mode suitable for smaller 12V motorcycle batteries.
- TKL (Trickle Charge): For long-term maintenance of batteries, keeping them at optimal charge.
- REPAIR (Pulse Repair): A specialized mode to desulfate and recondition old or deeply discharged lead-acid batteries. This mode cannot activate completely dead batteries.
The charger also features automatic temperature compensation, adjusting charging parameters for optimal performance in both summer and winter conditions.
6.2 9-Stage Smart Charging Process
Punjač koristi sofisticirani 9-stage charging process to ensure efficient and safe charging, maximizing battery life.

Slika 4: A visual representation of the 9-stage smart charging process, detailing each step from battery detection to monitoring.
- Detekcija baterije: Analyzes battery condition and type.
- Desulfatizacija akumulatora: Applies high-frequency pulses to break down lead sulfate crystals.
- Meki start punjenja: Gradually increases current to prevent damage to deeply discharged batteries.
- Skupno punjenje: Puni bateriju do približno 80% kapaciteta pri maksimalnoj struji.
- Apsorpcijsko punjenje: Puni bateriju do 100% kapaciteta brzinom odasing struja.
- Test baterije: Checks if the battery can hold a charge.
- Recondition Charging: Further reconditions the battery to improve performance.
- Float & Maintenance Charging: Maintains the battery at full charge with a low current.
- Monitoring Stage: Continuously monitors battery voltage and initiates charging if needed.
6.3 Informacije o LCD ekranu
The large LCD screen provides real-time feedback on the charging process.

Slika 5: The charger's LCD screen displaying key charging metrics: current (Amps), tomtage (Volts), and internal temperature (Fahrenheit).
Information displayed includes:
- Charge Current (A): The current flowing into the battery.
- Charge Voltage (V): Voltage baterije.
- Inside Temperature (°F/°C): The internal temperature of the charger, used for temperature compensation.
- Charge Percentage: An estimate of the battery's charge level.
- Indikatori načina rada: Icons for selected mode (e.g., STD, LiFePO4, Motorcycle, Trickle, Repair).
- Indikatori statusa: Icons for summer/winter mode, full charge, error warnings.
7. Održavanje
7.1 Charger Maintenance
- čišćenje: Disconnect the charger from power before cleaning. Wipe the exterior with a soft, damp tkanina. Nemojte koristiti rastvarače.
- Skladištenje: Punjač čuvajte na hladnom i suhom mjestu kada se ne koristi. Kablove držite uredno namotane.
- inspekcija: Periodically inspect the power cord, output cables, and clamps for any damage. Do not use if damaged.
7.2 Održavanje baterije
- Čišćenje terminala: Keep battery terminals clean and free of corrosion for optimal connection.
- Fluid Levels (Flooded Batteries): For flooded lead-acid batteries, check electrolyte levels regularly and top up with distilled water if necessary (before charging).
- Dugotrajno skladištenje: For batteries stored for extended periods, use the Trickle Charge mode to maintain their charge.

Slika 6: The NEXPEAK charger operating in trickle charge mode, ideal for maintaining batteries in unused vehicles such as idle cars, boats, or lawnmowers.
8. Otkrivanje problema
Ako imate problema s punjačem, pogledajte sljedeće uobičajene probleme i rješenja:
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Punjač se ne uključuje | Nema naizmjeničnog napajanja; Neispravna utičnica; Oštećen kabel za napajanje. | Check AC power connection; Try a different outlet; Inspect power cord for damage. |
| Nema aktivnosti punjenja | Incorrect battery connection; Battery too deeply discharged; Incorrect mode selected. | Osigurati clamps are securely connected to correct terminals; Battery may be beyond repair (not activated by pulse repair); Select appropriate mode. |
| Poruka o grešci na LCD-u | Reverse polarity; Short circuit; Overvoltage/Overcurrent. | Isključite i ponovo spojite clamps correctly; Check for short circuits in cables/battery; Ensure battery voltage matches charger setting. |
| Punjač se zagrijava | Normal during high current charging; Poor ventilation. | Some heat is normal. Ensure adequate ventilation around the charger. If excessively hot or smoking, disconnect immediately. |
| Pulse Repair mode not working | Baterija je potpuno prazna ili ozbiljno oštećena. | The pulse repair function cannot activate totally dead batteries. Consider battery replacement. |
9. Garancija i podrška
NEXPEAK products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the contact information provided with your purchase or visit the official NEXPEAK webSačuvajte račun kao dokaz o kupovini za reklamacije u slučaju reklamacije.





