SE 1052 Battery Charger Manual

The SE 1052 is a versatile battery charger designed for charging various types of rechargeable batteries, including NiMH, NiCd, and Li-ion. It features multiple charging modes, automatic voltage detection, safety protections (overcharge, short-circuit, reverse polarity), LCD display with charging status indicators, and compatibility with common battery sizes (AA, AAA, C, D, 9V). Powered by 100-240V AC, 50/60Hz. Below are key sections for safety, features, installation, operation, and troubleshooting.

1. Features at a Glance 2. Installation & Setup 3. Specifications 4. Controls and Indicators 5. Charging Procedures 6. Safety Features 7. Maintenance & Storage 8. Regulatory Information 9. Troubleshooting

Features at a Glance

Key components: Main charging unit, LCD display, Battery slots (AA/AAA x 4, C/D x 2, 9V x 1), Power cord, Status LEDs.

Feature	Description
Automatic Battery Detection	Detects battery type and voltage automatically
Multiple Charging Modes	Standard, Fast, Trickle, and Recovery modes
LCD Display	Shows charging status, voltage, current, and time
Battery Slots	Independent channels for AA/AAA, C/D, and 9V batteries
Safety Protections	Overcharge, short-circuit, reverse polarity, and over-temperature
Power Input	100-240V AC, 50/60Hz universal input
Charging Current	Adjustable from 200mA to 1000mA
Compatibility	NiMH, NiCd, Li-ion (3.7V) batteries
Cooling Fan	Built-in fan for temperature control
Carrying Case	Included for portability (optional)

Installation & Setup

Unpack and inspect contents. Place on stable, dry surface away from heat sources.

Connect power: Plug the AC power cord into the charger and a wall outlet.
Insert batteries: Place batteries in correct slots according to polarity markings (+/-).
Power on: Press the POWER button; LCD will display welcome screen.
Select mode: Use MODE button to choose charging mode (Standard recommended for first use).

WARNING! Do not mix battery types (e.g., NiMH with Li-ion) in same charging session. Ensure correct polarity to avoid damage.

Specifications

Input Voltage: 100-240V AC, 50/60Hz.
Output Voltage: 1.2V (NiMH/NiCd), 3.7V (Li-ion), 9V (9V batteries).
Charging Current: 200mA, 500mA, 700mA, 1000mA (selectable).
Compatible Batteries: NiMH (1.2V), NiCd (1.2V), Li-ion (3.7V), 9V rechargeable.
Battery Slots: 4x AA/AAA, 2x C/D, 1x 9V.
Display: LCD with backlight.
Safety Certifications: CE, RoHS, FCC.
Operating Temperature: 0°C to 40°C (32°F to 104°F).
Dimensions: 150mm x 100mm x 50mm.
Weight: 300g (without batteries).

Controls and Indicators

Front Panel: POWER button, MODE button, DISPLAY button, Battery slots.

LCD Indicators: Charging status (Flashing/Full), Battery type icon, Voltage (V), Current (mA), Time (HH:MM), Error codes.

Charging Modes: STANDARD (default), FAST (quick charge), TRICKLE (maintenance), RECOVERY (reconditioning). Display: Press DISPLAY to cycle through voltage, current, and time. Safety: LED indicators for overcharge (red), reverse polarity (flashing red), complete (green).

Charging Procedures

Supports NiMH, NiCd, Li-ion, and 9V rechargeable batteries.

Insert batteries: Match polarity (+/-) to markings in slots.
Select mode: Press MODE to choose STANDARD, FAST, TRICKLE, or RECOVERY.
Start charging: Charging begins automatically; LCD shows progress.
Monitor: Check LCD for voltage, current, and estimated time remaining.
Complete: When fully charged, green LED lights; charger switches to trickle/maintenance.
Remove batteries: Unplug charger or remove batteries after completion.
Storage mode: Use TRICKLE mode for long-term battery maintenance.

WARNING! Do not leave batteries charging unattended for extended periods. Use only rechargeable batteries.

Safety Features

Overcharge Protection: Automatically stops charging when full. Short-Circuit Protection: Cuts off current if short detected. Reverse Polarity Protection: Prevents charging if batteries inserted incorrectly. Over-Temperature Protection: Reduces current or stops if charger overheats.

Maintenance & Storage

Unplug before cleaning. Use dry cloth only; do not use liquids. Store in cool, dry place.

CAUTION! Do not disassemble charger; no user-serviceable parts inside. Keep away from water and metal objects.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. CE: Meets European safety standards. RoHS: Free of hazardous substances. Copyright © 2025 SE Electronics; trademarks of SE Group. For support, visit www.se-electronics.com or contact 1-800-555-1052.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Charger not powering on	Power connection	Check wall outlet; ensure power cord is securely plugged in.
Battery not charging	Polarity/battery type	Check battery polarity; ensure battery is rechargeable and compatible.
Overheating	Ventilation/current	Ensure vents are clear; reduce charging current; move to cooler location.
LCD display blank	Power/backlight	Press POWER; check AC input; press DISPLAY to activate backlight.
Error code E1/E2	Reverse polarity/short circuit	Remove batteries; reinsert with correct polarity; check for damaged batteries.

Reset: Unplug charger for 30 seconds, then reconnect.

Service: 1-800-555-1052; www.se-electronics.com