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CHG 3512 Multiple Battery Charger Specifications
CHG 3512:
Size:
9.5” L x 7.4” W x 1.7” H (24.1 cm L x 18.8cm W x 4.3 cm H)
(charger only)
Weight: 1.2 lbs (.54 kg), excluding power supply
CHG 3512 PRO:
Size: 18” L x 14” W x 6.75” H(45.7 cm L x 35.5 cm W x 17.1 cm H)
(charger in case)
Weight: 10 lbs (4.53 kg)
Color: Black ABS
Power Supply Input: 90 - 240 VAC input
Power Supply: TFP 037 Switching AC adapter, 5 VDC - 4A output
Charging Rate: 16 Hour Charge: 140 mA
Pulse/Maintain: 140 mA
Charging Time: 16 hours nominal
Unit Capacity: 12 Units
Indicators: Individual Charging Indicators: Red LEDs. LEDs blink when batteries are charged
Warranty: 1 year (cables and power supply warrantied for 90 days)
Approvals: CE, WEEE, RoHS
Note: Charging specifications are based on Williams Sound Corp. rechargeable NiMH
battery, BAT 026 (1650 mAh).
New batteries have various charge conditions, therefore, some batteries may take less time to fully charge.
Charging batteries generates heat. The receivers, transmitters, charger, and power supply will feel warm when
charging. Do not charge batteries in a closed enclosure, such as a carry case or brief case.
To ensure full battery charging, turn off the receiver/transmitter units when recharging the batteries.
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
Troubleshooting
If no LED’s light up:
1. Check that the power supply is plugged into the AC outlet.
2. Check that the Alkaline/NiMH battery switch in the battery compartment of the receiver/trans-
mitter is set to NiMH.
3. Be sure the receiver/transmitter is facing forward in the charger (see Figure A).
Recycling Instructions

Help Williams Sound protect the environment! Please take the time to dispose of your equipment properly.

Product Recycling for Customers in the European Union:

Please do NOT dispose of your Williams Sound equipment in the household trash. Please take the equip-
ment to an electronics recycling center; OR, return the product to the factory for proper disposal.

Battery Recycling for Customers in the European Union:

Please do NOT dispose of used batteries in the household trash. Please take the batteries to a retail or
community collection point for recycling.
10/30/07