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Dranetz 117009-G1 DBPX108 Replacement Battery 7.2V 3000mAh

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From $50.99 USD $62.99
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Fits Dranetz DBPX108, DBPG106, DBPV500, DBPV10 power quality analyzers; replaces OEM part 117009-G1 and BP-PX5.
7.2V 3000mAh Ni-MH chemistry delivers consistent voltage under sustained sensor load during field surveys and harmonics measurements.
Connector slides straight into the battery slot on the rear panel; positive terminal faces upward with no locking tab.
Bench testing showed stable voltage delivery across full discharge cycle with no BMS dropout during probe initialization or data logging.
After installing, run the full calibration cycle through the instrument menu before field deployment — the analyzer maps battery state during calibration and skipping this causes premature low-battery warnings on the first measurement session.
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

7.2V

Amp

3000mAh

Dranetz DBPX108 / DBPG106 Series — 7.2V Ni-MH Replacement Battery (117009-G1)

This is a 7.2V 3000mAh Ni-MH replacement battery for the Dranetz DBPX108, DBPG106, DBPV500, and DBPV10 power quality analyzers. It carries OEM part numbers 117009-G1 and BP-PX5. These are portable field instruments used by electricians and engineers to log voltage, harmonics, and power quality on live electrical systems.

  • DBPX108 / DBPG106 platform fit: These models share the same 7.2V battery rail, physical form factor, and connector pinout. The BMS handshake protocol is identical across the range, so one cell configuration covers the full platform without firmware conflicts.
  • Bench tested on actual hardware: We cycled this pack through the DBPX108 under sustained logging load with active probe channels. The BMS held charge delivery stable across the full session without a mid-measurement cutoff event.
  • Calibration cycle before first field deployment: After fitting this pack, run a full calibration cycle through the instrument's menu before taking it to site. The DBPX108 maps battery state during that routine — skip it and the instrument will throw premature low-battery warnings partway through your first measurement session.

DBPX108 shutting down mid-measurement with no warning

When multiple probe channels initialise simultaneously, the current spike at startup can exceed the BMS protection threshold on a weakened or partially discharged cell. The BMS interprets this as an overload event and cuts the pack before the instrument logs a low-voltage warning. This is not a firmware fault — it is the protection circuit doing its job on a cell that can no longer absorb the transient. A fresh pack at full charge handles the startup spike without tripping. Charge to full before any multi-channel session.

DBPX108 not recognising a new pack after long storage

Ni-MH cells self-discharge during storage. If the pack voltage drops below roughly 5.5V, the BMS enters sleep mode and the instrument will not power on or show a charge state at all. The pack is not dead — it needs a recovery charge. Place it in a Ni-MH compatible charger and run a trickle charge at 100mA for 30–60 minutes to wake the BMS before attempting a normal charge cycle. Once voltage recovers above 6V, standard charging resumes normally.

Compatible Models

DBPX108 DBPG106 DBPV500 DBPV10 DBPVFLEX DBMP1

Replaces Part Numbers

117009-G1 BP-PX5

Technical Specifications

Voltage7.2V
Amp Hours3000mAh
Capacity3000mAh
Rate21.6Wh
Net Weight337g /11.89 oz
Gross Weight407g /14.36 oz
Approximate Weight407g /14.36 oz
Dimension 87.00 x 68.20 x 23.20 mm

Product Highlights

  • Brand: Dranetz
  • Manufacturer: CS
  • Series: Standard
  • Color: Blue
  • Product Type: Ni-MH
  • Battery Type: Ni-MH
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My DBPX108 powers on fine but shuts off the moment I start a USB data transfer to my laptop — is this the battery?

Yes. USB data transfer adds a combined draw on top of the active measurement circuit, and an aged or low cell cannot sustain that load without a voltage dropout triggering the BMS cutoff. We saw this exact behaviour on the bench with a partially depleted pack — the instrument killed power before the transfer completed. Charge the pack fully before any transfer session, and confirm the cell voltage reads above 7.0V on a multimeter before connecting USB.

The battery percentage on the DBPX108 display jumps around or reads full at startup then drops sharply — what causes that?

The DBPX108's charge indicator recalibrates its voltage thresholds against the cell it sees at boot. A new Ni-MH pack has a slightly different resting voltage curve than the depleted original, so the display reads inaccurately until the instrument completes a full charge-discharge mapping cycle. Run the calibration routine in the instrument menu after fitting this pack, then do one full charge followed by a complete field session. After that cycle, the percentage display will track correctly.

Readings on my DBPX108 reset or drift mid-logging session even though the battery showed adequate charge before I started — what's happening?

This is a voltage dropout under sustained sensor load, not a capacity issue. During a continuous logging session, the cell voltage sags under load even when resting voltage looked acceptable. If the sag crosses the instrument's low-voltage threshold, the DBPX108 resets its active measurement session to protect data integrity. Check resting cell voltage — it should be at or above 7.2V before you start a long log. If the pack reads above 7.2V at rest but still sags under load, the cells have degraded and need replacement.

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