

Tenergy 7.4V 5200mAh Side By Side Li-Ion Battery Pack with PCB and 20AWG Bare Leads (31005)
- 7.4V 5200mAh rechargeable li-ion battery pack
- Integrated PCB for enhanced safety
- 20AWG leads for customizable connection + strong power flow
- Size: Battery Pack
- Voltage: 7.4
- Rechargeable: Yes
- Chemistry: Li-Ion
- Capacity (mAh): 5200
- Terminal Type: Bare Leads
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Description
This Li-Ion battery pack is made of four Li-Ion 18650 batteries arranged in a flat pack style. A built in protection circuit prevents the pack from over charging/discharging. The 20AWG bare leads allow you to terminate the wires with any connector best suited for whatever you need powering on (connector not included)!
Features:- Made of 4 x 2600mAh 18650 cells
- Light weight with a high energy density - better than most other rechargeable battery chemistries
- Very low self-discharge rate
- No battery memory effect
- A built in IC prevents over-charge and over-discharging of the pack, prolonging battery life
- Perfect for bike lighting, RC cars and airplanes, robots, cameras, etc.
- Charges with a Smart Universal Battery Li-Ion battery charger
| Item | Value |
| Capacity | 5200 mAh |
| Nominal Voltage | 7.4 V |
| Fully Charged Voltage | 8.4 V |
| Discharge Cut-off Voltage | 6.0 V |
| Max Charge Voltage | 4.20 ± 0.05 V/cell |
| Internal Impedance | ≤ 70 mΩ |
| Standard Charge Current | 0.2C (1.04 A) |
| Rapid Charge Current | 1C (5.2A) |
| Standard Discharge Current | 0.2C (1.04 A) |
| Max Discharge Current | 1C (5.2 A) |
| Max Pulse Discharge Current | 2C (10.4 A) |
| Weight | 6.7 ±0.7 oz (190 ±2 g) |
| Dimensions | 2.83" x 2.76" x 0.79" (72 x 70 x 20 mm) |
| Operating Charge Temperature | 32 to 113°F (0 to 45°C) |
| Operating Discharge Temperature | -4 to 140°F (-20 to 60°C) |
| 1 Month Storage Temperature | 23 to 95°F (-5 to 35°C) |
| 6 Month Storage Temperatures | 32 to 95°F (0 to 35°C) |
| MPN | 31005 |
Item Details
| Brand | Tenergy |
| SKU | TENERGY-31005-74-LI-ION-PACK |
| Manufacturer Part Number | 31005 |
| Color | Black |
| Length | 2.835 in (72 mm) |
| QTY Per Package | 1 |
Specifications
Power Details
Unit Dimensions
| Length | 2.835 in (72 mm) |
| Width | 2.756 in (70 mm) |
| Height | 0.787 in (20 mm) |
| Weight | 6.702 oz (190 g) |
Packaging/Shipping Dimensions
| Shipping Weight | 0.43 lb |
Additional Details
| Packaging | Bulk |
| Warranty | Battery Junction Warranty |
| Return Policy | Return Policy |
Bright Buys
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- Ideal for low-drain applications that require a primary battery to provide constant power
- 10-year shelf life - stock up for emergencies!
- The best choice for consistent power, great in low-drain devices like remotes
- Safe and reliable - capable of performing in high or low temperatures
- 11-in-1 card sized tool fits in your wallet or on a keychain!
- Packed with handy tools including a screwdriver & 7 wrench settings
- Serrated saw and straight-edge knife for quick cutting jobs
- Can + bottle openers for campsite meals or end-of-shift relaxation
- Four-channels saves time by charging multiple batteries at once.
- Capable of charging multiple chemistries by automatic battery detection.
- LCD display reveals the charging progress, battery type, voltage, and charging current.
- Automatic power-off function cuts off the current when charging is complete.
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- Extremely compact and powerful EDC
- Max output of 3,000 lumens with a max throw of 229 meters
- Dual fuel and available with extender for use with a 26650
- Equipped with 4 x CREE XPG3 LEDs for maximum illumination
- Reliable lithium chemistry with a 10 year shelf life
- Regarded as one of the highest quality CR123A batteries on the market
- Used in LED flashlights, alarm systems, ranger finders and more
- Cells are lightweight, durable and ideal for long term storage
- Jacket style may vary
- 225mAh capacity drives long runtimes for watches and electronics
- CR2032 coin cells packed with 3V of power
- Convenient 6-piece retail card provides backup batteries
- Easily replaceable primary lithium cells
- Top recommended battery for Apple AirTags
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- 3,000 lumens and a 250-meter throw - fierce illumination to light up your backyard
- Multiple output modes are accessible via easy side switch operation
- Strobe, SOS, and beacon modes offer distinct signaling capability
- High-capacity battery supports the light with a maximum 227-hour runtime



