The TT28 battery charges and maintains sealed lead-acid and all True Blue Power lithium-ion batteries. It features an alphanumeric LCD display that provides battery voltage and indications, charge/ready and fault LED indicators, and continuously monitors and charges to ensure the battery is in a quick-ready state whenever battery power is needed.
规格：
Weight:
1.1 lb (0.5 kg)
Dimensions:
4.5 x 4.5 x 2.5 in
Input Voltage:
90 VAC — 264 VAC ±10%
47 Hz – 63 HZ
1A, maximum
Input Connector:
IEC60320-C13
Battery Charge Voltage:
Lithium-ion: 28.8V, maximum
Lead-acid: 28.6V, maximum
Temperature:
-20°C to 50°C (-4°F to 122°F), operating
-28°C to 70°C (-18°F to 158°F), storage
Timing Accuracy:
±5% of normal time
Display Accuracy:
±0.2 volts
Battery Connector:
Ring Terminal
Protection and Monitoring:
over-charge and over-temperature protection
internal timer automatically monitors open-circuit voltage to determine top charge
特征：
MS-3509 compatible connector
Charges and maintains sealed lead-acid and all True Blue Power lithium-ion aircraft batteries:
TB17 (17 amp-hour)
TB40 (40 amp-hour)
TB20 (20 amp-hour)
TB44 (46 amp-hour)
TB30 (30 amp-hour)
TB60 (60 amp-hour)
Power Output: 2.5 amps charge current limit
Alphanumeric LCD display provides battery voltage and indications
Charge, Ready and Fault LED indicators
Continuously monitors and charges to maintain a quick-ready state
