Maplin N41BX - 1 Hour Extra Fast NiMH Charger Manual

Introduction

Thank you for purchasing the Maplin 1 Hour Extra Fast Charger for Nickel Metal Hydride (NiMH) rechargeable batteries. Please read this manual carefully. It contains important operating instructions. This extra fast charger will quickly and efficiently charge all high capacity AA or AAA size NiMH batteries.

Safety

• Batteries are supplied uncharged and should be charged prior to first use.
• Charge only Nickel-Metal-Hydride (NiMH) type batteries in this charger.
• Batteries may leak or explode causing personal injury if inserted improperly, disposed of in fire, mixed with other battery types, or short circuited.

Features

• Recharges 1 to 4 high capacity AA or AAA size NiMH batteries at a time.
• High efficiency "switching" type mains AC adaptor will adjust automatically to any voltage from 100-240Vac, for international use.
• In-car DC power adaptor allows charging from a vehicle's cigarette-lighter socket.
• "Negative delta V" detection switches off charger immediately the batteries are fully charged, for safety and fast operation.
• Overcharging prevented by timer protection.
• Automatic charging current selection for size AA or AAA batteries.
• LED display for rapid charge/trickle charge/bad battery detection.
• Red LED – rapid charge; Green LED – trickle charge; Flashing Red LED – Batteries are not suitable for charging.
• High efficiency compact size & light weight.

Safety Features

• Negative delta V cut-off function
• Safety timer to prevent over charge
• Thermal cut off
• Reverse-polarity protection
• Bad battery detection

Charging Instructions

1. Insert 1 to 4 pieces of AA or AAA rechargeable NiMH batteries into the battery compartment.
2. Observe the correct polarity ( + and - ) when inserting the batteries; according to the signs in the battery compartment.
3. When using in home/office
   Connect the supplied AC adaptor's barrel plug into the DC input socket on the back of the charger. Plug the AC adaptor into any available 100-240VAC outlet. The switching power supply will adjust automatically. When using overseas a plug adaptor may be required.
   
   The supplied AC adaptor supplies 12Vdc and delivers 1.7A, and its plug fits into the charger's DC input socket. Using an adaptor that does not meet these specifications could damage the charger or the adaptor.
   When using in a vehicle
   Connect the supplied DC car adaptor's barrel plug into the DC input socket on the back of the charger. Plug the large end of the cord into the vehicle's cigarette-lighter 12V power port.
4. The status LED will glow red when the batteries are receiving charge.
5. After charging is completed, the "status" LED will change to green to indicate that the charge is completed and batteries are ready for use.
6. Once charging is completed, remove the batteries and unplug the charger as soon as it is practical. Unplug the charger when not in use.
7. Begin again at Step 1 to charge the next set of batteries.

Bad Battery Detection

When the charge process is started, the charger detects the health status of each of the batteries in the battery compartment. If any battery is unsuitable for charging, i.e. short circuit or reversed polarity, the status LED will flash. The damaged battery(s) should be properly disposed of.

Specifications

*Charge time will vary depending upon the brand, capacity and condition of batteries being charged.

Important Safety Instructions

1. Before charging, read instructions.
2. This charger is intended for use with Nickel-Metal-Hydride (NiMH) rechargeable batteries only. Attempting to charge other types of batteries may cause personal injury and damage to the charger.
3. Do not expose charger to rain or moisture. For indoor use only.
4. Remove from mains when not in use.
5. Never use an extension cord or any attachment not recommended by manufacturer, otherwise this may result in a risk of fire, electric shock or injury to persons.
6. Do not operate the charger if it has been subjected to shock or damage. Take it to a qualified engineer for repair.
7. Do not disassemble the charger. Incorrect reassembly may result in a risk of electric shock or fire.
8. Unplug the charger from outlet before attempting any maintenance of cleaning.