NEXPEAK NC101 12V Smart Automatic Lead-Acid Battery Charger

User Guide & Warranty

DANGER

READ AND UNDERSTAND ALL SAFETY INFORMATION BEFORE USING THIS PRODUCT. Failure to follow these safety Instructions may result in ELECTRICAL SHOCK, EXPLOSION, FIRE, which may result in a SERIOUS INJURY, DEATH, or PROPERTY DAMAGE.

• ⚡ Electrical Shock. Product is an electrical device that can shock and cause serious injury. Do not cut power cords. Do not submerge in water or get wet.
• ? Explosion. Unmonitored, incompatible, or damaged batteries can explode if used with product. Do not leave product unattended while in use. Do not attempt to jump start a damaged or frozen battery. Use product only with batteries of recommended voltage. Operate product in well ventilated areas.
• ? Fire. Product is an electrical device that emits heat and is capable of causing burns. Do not cover product. Do not smoke or use any source of electrical spark or fire when operating product. Keep product away from combustible materials.
• ?️ Eye Injury. Wear eye protection when operating product. Batteries can explode and cause flying debris. Battery acid can cause eye and skin irritation. In the case of contamination of eyes or skin, flush affected area with running clean water and contact poison control immediately.
• ? Explosive Gases. Working in the vicinity of a lead-acid is dangerous. Batteries generate explosive gases during normal battery operation. To reduce risk of battery explosion, follow all safety information instructions and those published by the battery manufacturer and manufacturer of any equipment intended to be used in the vicinity of battery. Review cautionary markings on these products and on engine.

For more information and support visit: support@nexpeaktech.com

Important Safety Warnings

• Lithium batteries are prohibited to charge, for lead-acid batteries' charging only like 12V agm batteries. Do not attempt to use the product with any other types of battery. Charging other battery chemistries may result in injuries, death or property damage.
• CAN NOT charge totally dead batteries (0V or bad cells contained). Do not charge a battery if you are unsure of the battery's specific chemistry or voltage. Test the battery and understand the battery health status before charging.
• This battery charger is made by waterproof materials but can not sustain in water or rainy environments.
• Contact us for replacement if you found the charger is abnormal or the plug and power clips are damaged or cracked.
• Stop charging if the battery is damaged or liquid overflow around your battery. Stop the charging immediately if you found the battery is overheated.
• Charging the batteries in the vehicle is not allowed if you are going to use the repairing mode, which may result in damages of car electronics.

Technical Specifications

• Model: NC101
• Input voltage AC: 120-240 VAC, 50-60Hz
• Working Voltage AC: 120-240 VAC, 50-60Hz
• Charging Current: 6A(Max)
• Ambient Temperature: -15°C to +40°C
• Type of Batteries: lead-acid
• Battery Chemistries: Gel, MF, CA, EFB, AGM,
• Dimensions (L x W x H): 14.5*8.1*6.1 CM
• Cord length: 64.8 CM
• Cooling: internal fan
• Weight: 0.41 KG

How To Use

Charging Modes Selections

NEXPEAK battery charger has six (4) modes: CAR/TRUCK, AGM/GEL, MOTORCYCLE and REPAIR. Pressed the "MODE SELECTION" button to switch the charging mode. These modes are advanced charging modes that require your full attention before selecting. It is important to understand the differences and purposes of each mode. Always check with the battery manufacturer to confirm the right charging mode for your specific battery. Do not operate the charger until you confirm the appropriate mode for your battery. Below is a brief description:

• CAR/TRUCK: Suitable for ordinary lead-acid batteries/maintenance-free batteries. ?
• AGM/GEL: Suitable for AGM/GEL/EFB batteries. ?
• MOTORCYCLE: Suitable for all kinds of motorcycles and small capacity(>2AH) lead-acid batteries. Support trickle charge in motorcycle mode. ?️
• REPAIR: For battery maintenance, increase the battery health status or activate the battery. OV or bad cells batteries are forbidden to use. ⚙️

Connecting to the Battery

Do not connect the AC power plug until all other connections are made. Identify the correct polarity of the battery terminals on the battery.

1. Connect the positive (red) battery clamp to the positive (+) battery terminal.
2. Connect the negative (black) battery clamp to the negative (-) battery terminal.
3. Connect the battery charger into a suitable electrical outlet. Do not face the battery when making this connection.
4. After the positive and negative clips are connected, the LCD screen will light up, battery charger starts to auto-detect the temperature, voltage, current and remaining capacity (Note: After the charging ended, the battery needs to be put for an hour and the remaining capacity of the battery will be shown in the below picture).
5. After the AC plug is connected, the charging process begin, the screen will keep displaying battery voltage, current and working temperature during charging.
6. If the screen is flashing “reverse connection” and display E F F also keep beeping sounds, then the clips should connect incorrectly or abnormally.
7. Select the suitable charging mode accordingly.
8. The screen will show FUL after the charging is ended, we suggest you to keep charging for 2 hours until the screen displays OFF for better battery performance.
9. When disconnecting the battery charger, disconnect in the reverse sequence, removing the negative first (or positive first for positive ground systems).

Screen Definition

The charger's LCD screen displays various information:

• Temperature display: 26.0℃
• Voltage display: 13.8v
• Current display: 6A
• Complete display: FUL
• Repair display: PUL
• Shutdown: OFF
• Reverse connection/abnormal display: E F F

The screen also includes a power display showing charge level (e.g., 100%, 80%, 60%, 40%, 20%) and icons for different modes: Winter ❄️, Summer ☀️, Recovery ⚙️, Reverse Connection ⚠️.

TEMP Compensation

• Winter: 0-10°C
• Summer: >28°C
• Normal Temperature: 10°-27°C (no icon displayed)
• During the charging process, the charger will automatically detect the environment and working temperature and automatically adjust the best charging status to protect the battery life and ensure safe charging.
• Detect the temperature and adjust every 3-5 seconds; there will be a very slight deviation but won't affect the entire charging process.

Maintain/Repair

• Connect the battery with AC plug and switch to repair mode, the screen displays "PUL" and the battery icon flashes(20-100%).
• Usually car batteries requires about 4 hours under repair mode, and 2 hours for the motorcycle batteries and wet batteries. (You could keep the battery in repair mode if the battery is not overheated until the proper Status of Health index is reached).
• It has current input into the battery during the repair mode and will charge the battery after a long time repair process.
• If you need to stop the repair process in advance, just remove the charger's clips and disconnect the power.

CAUTION: STOP repair mode immediately If the battery has serious heating or burning smell! (The main reason is due to the battery internal was vulcanized and lack of water, please replace battery asap).

Troubleshooting

• Problem: The screen does not display when the charger is connected to the battery?
• Reason: The positive and negative clips are connected incorrectly or the battery is dead.
• Solution: Check whether the clips are connected reversed, use a battery tester to see whether the battery is dead or not.
• Problem: Screen will display the voltage but don't charge the battery?
• Reason: there is no input voltage.
• Solution: Connect to a 110-220V AC socket.
• Problem: The battery can't be charged and is low current, but the screen display (FUL) indicates fully charged.
• Reason: This is caused by the battery's vulcanization and inside lack of water, low voltage or leave it unused for a long time. The internal resistance of the battery and capacity will reduce greatly, Then it will reach full voltage quickly while charging.
• Solution: Choose repair mode to reactivate the battery!
• Problem: Can't fully charged after a long time.
• Reason: battery vulcanization or lack of water also low voltage can lead to this situation, the battery will become hot while charging.
• Solution: Stop charging. Check whether the battery liquid was leaked if it's a wet battery.
• Problem: Tried charging a battery overnight for over 8 hours and no charge at all, kept blinking the battery percentage icon all night long.
• Reason: battery charger can not charge totally dead batteries(0V or bad cells contained).
• Solution: try repair function or replace this battery directly.

2 Year Hassle-Free Warranty

NEXPAEK warrants that this product will be free from defects in material and workmanship for a period of three (2) years from the date of purchase (the "Warranty Period"). For defects reported during the Warranty Period, NEXPAEK will, at its discretion, and subject to NEXPAEK's technical support analysis, either repair or replace defective products. Replacement parts and products will be new or serviceably used, comparable in function and performance to the original part and warranted for the remainder of the original Warranty Period.

NEXPAEK'S LIABILITY HEREUNDER IS EXPRESSLY LIMITED TO REPLACEMENT OR REPAIR. TO THE MAXIMUM EXTENT PERMITTED BY LAW, NEXPAEK SHALL NOT BE LIABLE TO ANY PURCHASER OF THE PRODUCT OR ANY THIRD PARTY FOR ANY SPECIAL, INDIRECT, CONSEQUENTIAL OR EXEMPLARY DAMAGES, INCLUDING, BUT NOT LIMITED.

Contact us: support@nexpeaktech.com

Web: www.nexpeaktech.com

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