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1-8S LiPo Battery Voltage Tester Checker — LED Display & Low Voltage Buzzer Alarm
1-8S LiPo Battery Voltage Tester Checker LED Display & Low Voltage Buzzer Alarm
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1-8S LiPo Battery Voltage Tester — LED Display & Buzzer Alarm
A compact and essential tool for RC hobbyists and DIY battery builders. This 1-8S LiPo voltage tester instantly displays individual cell voltages via LED indicators and triggers a low voltage buzzer alarm when any cell drops below the safe threshold — protecting your expensive LiPo packs from over-discharge damage.
Key Specifications
| Parameter | Value |
|---|---|
| Compatible Battery Types | LiPo, Li-Ion, LiFe, LiHV |
| Cell Count | 1S – 8S |
| Voltage Range per Cell | 2.7V – 4.5V |
| Measurement Accuracy | ±0.01V |
| Low Voltage Alarm Threshold | 3.3V (adjustable on some variants) |
| Display | LED bar graph per cell |
| Alarm | Piezo buzzer |
| Connector | JST XH 2–9 pin balance port |
| Operating Current | <30mA (self-powered from battery) |
Why Choose This Tester?
- ✅ Instant cell-by-cell readout — identify weak or unbalanced cells immediately
- ✅ Audible alarm — buzzer alerts when any cell drops below safe voltage
- ✅ Self-powered — draws power from the battery under test, no external supply needed
- ✅ Compact design — fits in RC car/drone field kit
- ✅ Wide compatibility — works with LiPo, Li-Ion, LiFe, and LiHV chemistries
Compatible With / Works With
- RC drone LiPo packs: 2S, 3S, 4S, 6S (JST XH balance connector)
- RC car battery packs: 2S–4S LiPo
- DIY 18650 Li-Ion battery packs (with JST XH balance wiring)
- LiFePO4 (LiFe) packs: 2S–8S
- Chargers: ISDT Q6 Plus, SKYRC B6AC, iCharger 308DUO
Typical Applications
- RC Drone Pre-Flight Check — verify 4S/6S LiPo cell balance before flying
- RC Car Field Use — quick 2S/3S pack check between race heats
- DIY Battery Pack Monitoring — 18650 pack cell health check
- Storage Voltage Verification — confirm cells are at 3.8V storage voltage
- Battery Sorting — identify degraded cells in used LiPo packs
FAQ
Q: Does this tester work with LiFePO4 (LiFe) batteries?
A: Yes. LiFe cells have a nominal voltage of 3.2V and max charge of 3.6V, which falls within the 2.7–4.5V measurement range. The alarm threshold may trigger earlier than for LiPo.
Q: Can I use this with a 6S LiPo that has an XT60 connector?
A: Yes, connect via the 7-pin JST XH balance connector (not the main XT60 discharge connector). The tester reads balance port only.
Q: Will the buzzer drain my battery?
A: The tester draws <30mA, which is negligible for short-term checking. Do not leave it connected for extended periods as it will slowly discharge the pack.
Package Contents
- 1× 1-8S LiPo Battery Voltage Tester with LED Display and Buzzer Alarm
- ★Product Description
- ★About us
- ★Custom cable
1-8S LiPo Battery Voltage Tester — LED Display & Buzzer Alarm
A compact and essential tool for RC hobbyists and DIY battery builders. This 1-8S LiPo voltage tester instantly displays individual cell voltages via LED indicators and triggers a low voltage buzzer alarm when any cell drops below the safe threshold — protecting your expensive LiPo packs from over-discharge damage.
Key Specifications
| Parameter | Value |
|---|---|
| Compatible Battery Types | LiPo, Li-Ion, LiFe, LiHV |
| Cell Count | 1S – 8S |
| Voltage Range per Cell | 2.7V – 4.5V |
| Measurement Accuracy | ±0.01V |
| Low Voltage Alarm Threshold | 3.3V (adjustable on some variants) |
| Display | LED bar graph per cell |
| Alarm | Piezo buzzer |
| Connector | JST XH 2–9 pin balance port |
| Operating Current | <30mA (self-powered from battery) |
Why Choose This Tester?
- ✅ Instant cell-by-cell readout — identify weak or unbalanced cells immediately
- ✅ Audible alarm — buzzer alerts when any cell drops below safe voltage
- ✅ Self-powered — draws power from the battery under test, no external supply needed
- ✅ Compact design — fits in RC car/drone field kit
- ✅ Wide compatibility — works with LiPo, Li-Ion, LiFe, and LiHV chemistries
Compatible With / Works With
- RC drone LiPo packs: 2S, 3S, 4S, 6S (JST XH balance connector)
- RC car battery packs: 2S–4S LiPo
- DIY 18650 Li-Ion battery packs (with JST XH balance wiring)
- LiFePO4 (LiFe) packs: 2S–8S
- Chargers: ISDT Q6 Plus, SKYRC B6AC, iCharger 308DUO
Typical Applications
- RC Drone Pre-Flight Check — verify 4S/6S LiPo cell balance before flying
- RC Car Field Use — quick 2S/3S pack check between race heats
- DIY Battery Pack Monitoring — 18650 pack cell health check
- Storage Voltage Verification — confirm cells are at 3.8V storage voltage
- Battery Sorting — identify degraded cells in used LiPo packs
FAQ
Q: Does this tester work with LiFePO4 (LiFe) batteries?
A: Yes. LiFe cells have a nominal voltage of 3.2V and max charge of 3.6V, which falls within the 2.7–4.5V measurement range. The alarm threshold may trigger earlier than for LiPo.
Q: Can I use this with a 6S LiPo that has an XT60 connector?
A: Yes, connect via the 7-pin JST XH balance connector (not the main XT60 discharge connector). The tester reads balance port only.
Q: Will the buzzer drain my battery?
A: The tester draws <30mA, which is negligible for short-term checking. Do not leave it connected for extended periods as it will slowly discharge the pack.
Package Contents
- 1× 1-8S LiPo Battery Voltage Tester with LED Display and Buzzer Alarm
- ♥Hear From Our Happy Customers
- ♥Verified Buyer Reviews
- ♥Trusted by Professionals and Engineers
