TB44 - Battery True Blue Power - Free user manual and instructions
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| Brand | True Blue Power |
| Model | TB44 |
| Product Type | Lithium-ion Battery |
| Nominal Voltage | 14.4 V |
| Capacity | 44 Ah |
| Energy | 633.6 Wh |
| Dimensions (L x W x H) | 7.9 x 5.5 x 6.7 inches |
| Weight | 10.6 lbs (4.8 kg) |
| Chemistry | Lithium Iron Phosphate (LiFePO4) |
| Cycle Life | Over 2000 cycles at 80% DOD |
| Built-in BMS | Battery Management System for protection |
| Operating Temperature Range | -20°C to 60°C |
| Charge Method | Constant current / constant voltage (CC/CV) |
| Max Charge Current | 20 A |
| Max Discharge Current | 100 A |
| Terminal Type | MS-style connectors |
| Certifications | FAA TSO-C179, MIL-STD-810 |
| Installation Orientation | Any orientation |
| Maintenance | No periodic maintenance required |
| Warranty | 2 years |
| Application | Aircraft auxiliary power, emergency systems |
Frequently Asked Questions - TB44 True Blue Power
How do I charge the TB44 battery?
Use a compatible LiFePO4 charger with CC/CV profile. Connect to the MS-style terminals. Do not exceed 20 A charge current.
What is the expected lifespan of the TB44?
The TB44 offers over 2000 cycles at 80% depth of discharge, equivalent to many years of service under normal use.
Can I use the TB44 in extreme temperatures?
Yes, it operates from -20°C to 60°C. Charging below 0°C is not recommended; discharge is safe down to -20°C.
Is it safe to install the battery in any orientation?
Yes, the TB44 can be mounted in any orientation without leakage or performance issues due to its sealed lithium construction.
What type of charger is recommended?
Use a smart charger designed for LiFePO4 batteries with a constant current/constant voltage (CC/CV) algorithm and 14.4 V nominal.
How should I store the TB44 battery?
Store at 50% state of charge in a cool, dry place (15-25°C). Recharge every 6 months to maintain health.
Can the TB44 be used as a starter battery?
It is designed for auxiliary power and emergency systems, not engine starting. Check your aircraft's requirements.
What does the built-in BMS protect against?
The Battery Management System protects against overcharge, over-discharge, short circuit, overcurrent, and temperature extremes.
Are there any specific disposal instructions?
Recycle at a qualified lithium battery recycling facility. Do not incinerate or dispose in household waste.
Does the TB44 come with a mounting kit?
Mounting hardware is not included. Use appropriate brackets for your installation, ensuring secure attachment.
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