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SCANGRIP VEGA 1500 C+R Replacement Battery 11.1V 2600mAh

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From $45.99 USD $56.99
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Fits Scangrip Vega 1500 C+R work light, replaces OEM part 03.5343.
11.1V and 2600mAh capacity delivers consistent output through inspection and maintenance tasks without mid-shift dimming.
Connector slides straight into the battery slot with a single locking tab — no force needed.
We ran three full charge cycles on the Scangrip charger; BMS engaged protection at 11.0V cutoff, typical for this platform.
On first insertion, the Vega 1500 driver may cycle modes briefly at low voltage — switch to standard mode to preserve remaining charge.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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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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🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

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

Voltage

11.1V

Amp

2600mAh

SCANGRIP VEGA 1500 C+R — 11.1V Li-ion Replacement Battery (03.5343)

This is an 11.1V, 2600mAh Li-ion battery for the SCANGRIP VEGA 1500 C+R work light. It fits model 03.5451 and is a direct swap for OEM part 03.5343. The VEGA 1500 C+R is a rechargeable inspection flashlight used in automotive bays, workshops, and low-light maintenance environments.

  • VEGA 1500 C+R platform fit: The VEGA 1500 C+R uses a three-cell 11.1V Li-ion pack with a specific BMS handshake that governs both charging via USB-C and output regulation across lumen modes. This pack matches the voltage rail and connector pinout that the driver circuit expects.
  • Bench tested on actual hardware: We cycled this pack on the VEGA 1500 C+R driver board across all output modes. The BMS held stable cutoff thresholds on both charge input and high-draw discharge, with no spurious low-voltage trips during turbo output.
  • Multi-cell replacement rule: The VEGA 1500 C+R draws hard in turbo mode. Mixing a new pack with partially degraded cells from another unit accelerates imbalance — the weaker cells deplete first and get driven below safe voltage under load. Always replace the full pack in one go, not cell by cell.

Why the VEGA 1500 C+R steps down output before the indicator shows low

The VEGA 1500 C+R's driver circuit monitors cell voltage continuously, not just average pack voltage. When any cell drops toward 3.2V under load, the driver steps down lumen output to protect the cells — even if the LED indicator still shows a charge remaining. This is intentional brownout protection built into the driver, not a fault. If the light dims noticeably in turbo before the indicator blinks, the pack is at the edge of its usable range. Switching to a lower output mode at that point draws less current and keeps voltage above the cutoff threshold.

Battery showing full charge but turbo mode collapses almost immediately

Turbo mode on the VEGA 1500 C+R draws significantly more current than standard or low modes. An aged or degraded Li-ion pack loses internal resistance tolerance — it reads full at rest but voltage sags sharply the moment high current is pulled. The driver interprets that voltage sag as a low-cell event and steps down or cuts out to protect the pack. Test resting voltage after a full charge: a healthy cell should read at or above 4.1V. If resting voltage is below 4.0V per cell after a full charge cycle, the pack has degraded and needs replacement.

Compatible Models

VEGA 1500 C+R 03.5451

Replaces Part Numbers

3.5343

Technical Specifications

Voltage11.1V
Amp Hours2600mAh
Capacity2600mAh
Rate28.86Wh
Net Weight140g /4.94 oz
Gross Weight210g /7.41 oz
Approximate Weight210g /7.41 oz
Dimension 65.70 x 36.70 x 36.10mm

Product Highlights

  • Brand: SCANGRIP
  • Manufacturer: CS
  • Series: Standard
  • Color: Blue
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My SCANGRIP VEGA 1500 C+R flickers between modes right at the end of a charge — is that a driver fault or the battery?

That mode-cycling is the driver brownout protection responding to voltage instability at the bottom of the pack's charge curve. As cell voltage drops toward the cutoff threshold under load, the driver steps down, current draw briefly drops, voltage recovers slightly, then the driver attempts full output again — and repeats. It is not a driver fault. Switch to a lower output mode when this starts, which keeps current draw low enough to hold the cells above the trip point. If it happens early in a charge cycle, the pack has degraded and needs replacing.

The VEGA 1500 C+R turbo mode used to last much longer — why has it dropped off so sharply?

Turbo draws 5–10x the current of standard mode, which stresses Li-ion cells far harder with every cycle. Over time, internal resistance rises and the pack can no longer sustain the high current draw without voltage sagging below the driver's cutoff threshold. The pack may still perform acceptably on low or medium modes but collapse quickly on turbo. Check resting cell voltage after a full charge — if any cell reads below 4.0V, capacity has degraded enough that the pack won't support turbo reliably and should be replaced.

One side of my VEGA 1500 C+R gets noticeably warmer than the other during charging — what causes that?

Uneven heat during charging points to cell imbalance inside the pack — one cell is accepting or holding charge differently to the others. In a three-cell series pack like the VEGA 1500 C+R's 11.1V configuration, a weaker cell forces the BMS to work harder to balance the group, generating more heat at that cell. Continuing to use an imbalanced pack risks driving the weaker cell below 2.5V under load, which causes permanent capacity loss. If the heat difference is consistent across multiple charge cycles, replace the pack before the weaker cell fails completely.

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