Description

Absima Greenhorn Vol.2 LiPo 2S 7,4V-50C 7000 HC (XT90/T-Plug)

4140019

GREENHORN LINEV2 - Absimas LiPo-Series

Absima Greenhorn LiPo batteries were developed for RC racing. Our batteries have to undergo numerous tests before delivery to ensure that criteria such as capacity, voltage and internal resistance meet our high-quality standards.

LiPo 2S Battery Specs:

• Cell technology: LiPo (Lithium Polymer)
• Voltage: 2S / 7.4V
• Capacity: 7000mAh
• Discharge rate: 50C
• Watt-hours: 51.8 Wh
• Charge rate: up to 3C (1C charge recommended)
• Case Type: Hardcase
• Application: RC Car

LiPo Battery Connectors and Wires:

• Power connector: XT90 (T-plug adapter included)
• Power wire gauge: 12 AWG silicone wire
• Power wire length: 100mm
• Balance connector: JST - XH - 2S
• Balance wire gauge: 24 AWG silicon wire

Battery Dimensions:

• Length: 138mm
• Width: 47mm
• Height: 25mm
• Weight : 330g ± 20g

LiPo Battery Usage and Charging Guide

LiPo (Lithium Polymer) batteries offer outstanding power density and performance but require careful handling to ensure safety and longevity. This guide covers the key best practices for using, charging, and maintaining LiPo batteries safely.

1. General Safety Precautions

• Never leave a charging battery unattended.
• Always use a charger specifically designed for LiPo batteries.
• Charge on a fire-resistant surface or inside a LiPo safety bag.
• Do not puncture, crush, or physically damage the battery.
• Avoid overheating, swelling, or exposing the battery to fire or water.

2. Charging Instructions

• Charging Mode
  Always use "LiPo Balance Charge" mode.
  This ensures all cells are charged evenly.
• Charge Rate
  Recommended rate is 1C
  Example: 4000mAh battery → 1C = 4.0A charge current

Faster charging (2C–3C) is only safe if specifically approved by the manufacturer.

Typical Charging Limits

• 1S = 3.7V / max 4.2V
• 2S = 7.4V / max 8.4V
• 3S = 11.1V / max 12.6V
• 4S = 14.8V / max 16.8V

Never exceed the maximum voltage per cell!

3. Usage and Discharging

Never allow voltage to drop below 3.2V per cell during use.
Recommended operating range: 3.7V to 4.2V per cell

Most ESCs (Electronic Speed Controllers) include Low Voltage Cutoff (LVC) – make sure it’s enabled.

Deep discharge (under 3.0V/cell) can permanently damage the battery.

4. Storage and Safety

Storage Voltage

• If not used for more than a day, store at 3.7–3.85V per cell.
• Use the "Storage" function on your charger if available.

Storage Conditions

• Store in a cool, dry, and ventilated environment (ideal: 10–20°C).
• Avoid direct sunlight, extreme heat, or freezing conditions.

5. Battery Life and Maintenance

Average life span: 150–300 cycles (depending on usage).

Do not charge, use, or store swollen, damaged, or deeply discharged packs.

Allow the pack to fully cool down before charging after use.

6. Common Mistakes to Avoid

7. Emergency Handling

If a battery swells, overheats, or emits smoke:

• Move it to a safe area immediately (preferably in a metal box or LiPo-safe container).
• Do not touch with bare hands.
• Do not dispose in household trash.
• If necessary, use sand or a dry chemical extinguisher to suppress fire.