Description
Product Overview
The CellMeter-7 Digital Battery Capacity & Voltage Tester is an essential diagnostic tool for anyone working with rechargeable batteries in RC hobbies, drones, robotics, and portable electronics. This compact, multi-function device instantly checks the health and charge level of nearly any battery pack, eliminating guesswork and helping you prevent expensive battery damage.
Gone are the days of guessing when your LiPo battery is fully charged or worrying about over-discharging your flight pack. The CellMeter-7 provides a comprehensive battery health analysis at the press of a button. Simply plug your battery into the versatile balance port, and within seconds the 2.1-inch LCD screen displays: individual cell voltages, total pack voltage, remaining capacity percentage, and the critical voltage difference between the highest and lowest cells .
Whether you are an RC pilot needing to check your LiPo packs before a race, a drone enthusiast monitoring battery health, a robotics engineer testing NiMH packs, or a technician maintaining backup battery systems, the CellMeter-7 delivers accurate, reliable readings across a wide range of battery chemistries, including LiPo, LiFe, Li-ion, NiCd, and NiMH .
Key Features
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Multi-Chemistry Support: Compatible with LiPo, LiFe, Li-ion, NiCd, and NiMH batteries – one tool covers your entire workshop .
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2-7 Cell Lithium Support: Works with 2S to 7S LiPo/LiFe/Li-ion battery packs, plus 4-7 cells for NiCd/NiMH receiver packs .
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Comprehensive Display: 2.1″ LCD screen shows individual cell voltages, total voltage, highest/lowest cell, voltage differential, and remaining capacity (0-99%) .
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Built-in Balance Function: Integrated passive balancing helps equalize cell voltages, extending battery life and improving performance .
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Instant Health Assessment: Quickly identify weak or unbalanced cells before they cause equipment failure or fire hazards.
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Portable Design: Compact size (84×50×16mm) and lightweight (approx. 40g) fits easily in your pocket or field kit .
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Easy-to-Use Interface: Simple menu navigation with dedicated “Type” and “Mode” buttons for cycling through display options .
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Versatile Connectivity: JST XH/EH balance port for direct connection to lithium batteries; 3-pin receiver-style port for NiCd/NiMH pack total voltage .
Technical Specifications
| Parameter | Operating Value |
|---|---|
| Compatible Battery Types | LiPo, LiFe, Li-ion, NiCd, NiMH |
| Lithium Cell Range | 2S – 7S |
| NiCd/NiMH Cell Range | 4 – 7 cells |
| Individual Cell Voltage Range | 0.5V – 5.0V |
| Total Voltage Range | 3.3V – 24.0V |
| Remaining Capacity Display | 0% – 99% |
| Balance Function | Passive (discharge-based balancing) |
| Display Type | 2.1″ LCD Screen |
| Dimensions (L × W × H) | 84mm × 50mm × 16mm |
| Weight | Approx. 40g |
| Power Source | Powered by connected battery |
| Connector Type | JST XH/EH, 3-pin receiver servo plug |















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