Manual for Junior - Troubleshooting and error codes + PDF Download

Name: Manual for Junior - Troubleshooting and error codes + PDF Download
Brand: Battery Tender

Brand: Battery Tender

Category: Battery Charger

Manual Type:

Language:

Uploaded: April 8, 2025, 1:55 p.m.

Warranty Summary

Manufacturer makes no specific claims nor guarantee or warranty.

The Battery Tender Junior is an automatic battery charger and maintainer. Key operational points include:

Automatic Operation: Connect and forget. The charger automatically switches between charging modes (bulk, absorption, maintenance).
Status Monitoring: LED indicator shows charging status (Red for charging, Green for charged).
Safety Features: Sparkproof, short circuit protection, and reverse polarity protection ensure safe operation.
Long-term Connection: Can be left connected to the battery and AC power for extended periods to maintain battery charge.

Troubleshooting and error codes

Problem	Possible Cause and Solution
Neither light turns on	No AC power. Check AC outlet and connections. For 0.75A model, ensure battery is connected.
Green light on immediately	Intermittent battery connection, defective battery, or battery already fully charged.
Charging, but green light doesn't turn on in reasonable time	Large battery, appliance drawing power, defective battery, or new battery not fully charged initially.
Red light comes on again after green light	Appliance drawing power, intermittent connection, or defective battery.

Problem	Possible Cause and Solution
Neither light turns on	No AC power. Check AC outlet and connections. For 0.75A model, ensure battery is connected.
Green light on immediately	Intermittent battery connection, defective battery, or battery already fully charged.
Charging, but green light doesn't turn on in reasonable time	Large battery, appliance drawing power, defective battery, or new battery not fully charged initially.
Red light comes on again after green light	Appliance drawing power, intermittent connection, or defective battery.