Tenergy TN299 Hybrid (NiMH/NiCd/Li-ion/LiFePO4) Universal Charger

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Our Price: $34.99
Item Number: 01299


TN299 Hybrid Universal Charger is Tenergys latest smart battery charger for NiMH/NiCd/Li-ion/LiFePO4 batteries. With its intelligent IC, you can charge batteries of different sizes and rechargeable battery types in any of its 4 independent charging slots ,and monitor them simultaneously. TN299 is your best choice to get your batteries charged fast and safely.

One Charger Charges All

Charges NiMH, NiCd, Li-ion and LiFePO4 rechargeable consumer battery of different sizes, eliminating the need for multiple chargers for all your batteries.

Supported Batteries:
NiMH/NiCd: AAA, AA, C, D, 9V
Li-ion/LiFePO4: 18650, 14500, 10400

Four Independent Smart Charging Slots

With its intelligent IC, you can mix different size and rechargeable battery types* in any of its 4 independent charging slots.

*Note: If either Li-ion/LiFePo4 batteries are present, manually set the Li-ion/LiFe select switch accordingly. Do not charge Li-ion/LiFePo4 batteries at the same time.

Large Backlit LCD

Large easy-to-read LCD display with backlight allows you to monitor charging status in detail anywhere, anytime, even in the dark.

Bad Battery Alert

Detects defective rechargeable batteries (Dead, incorrect, or wrongly inserted) and helps protect against accidents caused by faulty batteries and/or user error.

Advanced Safety Protection

Automatically detects battery status and selects the appropriate voltage and charge mode; stops charging when complete. Also features protection against reverse-polarity, over-charge, overheating and short-circuit to ensure total charging safety.

Product Size

Length: 6.4
Weight: 5.6
Height: 2.4"

Technical Specifications:

  • Input: 12V/1A (power adapter included)
    • Li-ion/LiFePO4 Charging Current: 800mA (1-2pcs) / 400mA (3-4pcs)
    • NiMH/NiCd Charging Current: 1A (AA/C/D) / 0.5A (AAA) / 50mA (9V)
  • Unit Dimensions: 6.4 (L) x 5.6 (D) x 2.4 (H)
  • Unit Weight: 337 g / 0.74 lb
  • Operating Temperature: 0~40°C / 32~104°F

Supported Batteries:

  • NiMH/NiCd: AAA, AA, C, D,  & 9V
  • Li-ion/LiFePO4: 18650, 14500, 10400

Package Contents:

**Compatibility Notice:
- NOT compatible with Flat Top versions of 18650, 14500, 10400 batteries.
- NOT compatible with 26650 batteries

- DO NOT charge Alkaline Batteries.
- DO NOT charge Carbon-Zinc (Heavy Duty) Batteries.
- DO NOT charge Lithium AA, Lithium CR 123A, or any other non-rechargeable lithium metal batteries.

Battery Type


Charging Time (approx)




1.25-2.8 hours


1300-2800 mAH

1.6-3.5 hours


1800-4500 mAH

2.5-5.6 hours


1800-9000 mAH

2.25-11.25 hours


150-300 mAH

3.75-7.75 hours


2000-4200 mAH

1-2 batteries: 3.1-6.6 hours
3-4 batteries: 6.2-13.0 hours

1500-3000 mAH

1-2 batteries: 2.4-4.8 hours
3-4 batteries: 4.8-9.6 hours


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