Fastrax Etronix Battery Doctor LiPo Balancer & Meter
Brand: Fastrax
Part No: ET0500
In Stock: Usually ships same day
Finance options available at checkout.
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Description
The Fastrax Etronix Battery Doctor Precision LiPo Discharger, Balancer, Voltage and Balance Meter (ET0500) is a compact, multi‑function tool for Li‑Po and Li‑Fe packs. It precisely measures pack and individual cell voltages, balances cells before, after or during charging, and can discharge packs to a preset voltage for storage. Monitoring each cell helps identify abnormal or failing cells and maintain battery health.
Key Functions
- Measure overall pack voltage and view each cell individually
- Balance cells before, after, or during the charging process
- Discharge packs to a set voltage to prepare for storage
- Aid in identifying abnormal or failing cells during use
Spec Check
- Measurable battery type and amount: Li‑Polymer / Li‑Fe 2–6 cell (standard voltage 7.4V–22.2V using divided voltage connector)
- Balance voltage setting range (lower limit): 2.0V–3.9V (pre‑setting value 3.2V)
- Receiver battery voltage testing: 1.2V–8.5V DC (not limited to battery type; requires external power 7.4–11.1V Li‑Polymer / Li‑Fe; use JST balance connector)
- Discharge voltage setting range (lower limit): 3.0V–4.2V (pre‑setting value 3.9V)
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Etronix Battery Doctor Precision LiPo Discharger, Balancer, Voltage And Balance Meter Manuals & Guides
How-To Guides & Articles
Specifications
The Etronix Battery Doctor Balance/Discharger is designed for Li-Po and Li-Fe batteries. It can measure battery voltage precisely and balance each cells' voltage of a battery pack or discharge batteries in preparation for storage.
You can observe each cells' voltage in the battery pack individually. This helps identify abnormal or failing cells during the charging or discharging process.
The balance function can be executed before or after the battery has been charged. It also can be done during the battery charging process, helping to ensure that the battery pack remains in excellent condition.
Spec Check
- Measurable battery type and amount: Li-Polymer / Li-Fe 2-6 cell (standard voltage 7.4V - 22.2V using divided voltage connector)
- Balance voltage setting range (lower limit): 2.0V - 3.9V (pre setting value 3.2V)
- Receiverbattery voltage testing: 1.2V - 8.5V DC (Not limited to battery type, but requires external power 7.4 - 11.1V Li-Polymer / Li-Fe (use JST balance connector)
- Discharge voltage setting range (lower limit): 3.0V - 4.2V (pre-setting value 3.9V)
Key Info:
- Brand: Fastrax
- Part No: ET0500
- Barcode: 5055323920578
Additional Categories:
Delivery & Returns
Standard Shipping
£3.95 to most of the UK
Express Shipping
£6.95 to most of the UK
Worldwide Shipping
Available at checkout
Customer Reviews
No specific product reviews yet, why not write one?Questions & Answers
This is for Li-po and Li-fe batteries, it will give a read out on the Li-ion but it may not be accurate.
For more in depth queries, please contact us.





















