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

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Regular Price: $44.99
Sale Price: $34.99
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Item Number: 01299

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TN299 Hybrid Universal Charger is Tenergy’s 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 non-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

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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