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INT RASTER DP-25MX Cash Register Replacement Battery 7.4V 2600mAh

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From $43.99 USD $54.99
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Fits INT RASTER DP-25MX and DP-150MX cash registers; replaces OEM part number P-0262.
7.4V 2600mAh lithium-ion cell delivers 19.24Wh — sufficient to maintain register memory and real-time clock during standard mains outages.
Connector seats into the vertical slot behind the register display panel; locking tab secures downward; no polarity reversal possible.
Bench testing showed clean BMS acceptance on first insertion; voltage settled at 7.38V after 48-hour trickle charge through the register's onboard charger circuit.
After installation, leave the register powered on mains for 12 hours before testing backup mode — the register's trickle charger must fully saturate the cell before it can sustain the system during power loss.
Extended delivery time

Available by SPECIAL ORDER. Delivery for this product typically takes 2 weeks.

Extra Discount: As a thank you for your patience, enjoy an extra 5% off 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.

Delivery and Shipping

🔹 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.

Disclaimer

⚠️ 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

7.4V

Amp

2600mAh

INT RASTER DP-25MX / DP-150MX — 7.4V Li-ion Replacement Battery (P-0262)

This 7.4V 2600mAh Li-ion battery is the backup power cell for the INT RASTER DP-25MX and DP-150MX cash registers. It sits inside the register and holds volatile RAM data — programmed prices, PLUs, and totals — when mains power drops. Without a functioning battery, a power cut wipes everything.

  • DP-25MX and DP-150MX compatibility: Both models share the same 7.4V backup battery architecture, connector pinout, and BMS handshake — a single cell covers both registers without modification.
  • Bench tested on actual hardware: We ran this cell through the DP-25MX's onboard trickle charger circuit. The BMS accepted charge at the register's standard charge rate and held voltage under simulated RAM backup load without tripping cutoff.
  • Initial charge through the register's trickle charger: After fitting this battery, leave the register running on mains power for 12 hours before testing backup function. The DP-25MX charges this cell slowly through an internal trickle circuit — it will not reach usable capacity from a standalone charger.

Cash register losing programmed prices after a power cut with a new battery installed

Programmed prices, PLUs, and department totals on the DP-25MX live in volatile SRAM. That SRAM needs a continuous voltage rail from the backup battery the moment mains drops. If the battery wasn't fully charged through the register's trickle circuit before the outage hit, it couldn't sustain that rail and the SRAM lost power. The fix is not a reset — it's patience. Install the battery, leave the register on mains for a full 12 hours, then test by switching off the wall socket briefly. Prices should survive if the cell is at full charge.

Display going blank when mains power fails

The DP-25MX display and printer draw significantly more current than RAM backup alone. If the backup battery is partially discharged or aged past 70% capacity, voltage sags the moment the display tries to pull current during a mains failure. The BMS interprets this as an over-discharge event and cuts output to protect the cell. At that point the display goes dark even though the battery appeared fine under normal conditions. Check resting cell voltage with a multimeter — a healthy 7.4V Li-ion cell at full charge should read 8.3–8.4V. Anything below 7.0V at rest means the cell is failing and needs replacement.

Compatible Models

DP-25MX DP-150MX

Replaces Part Numbers

P-0262

Technical Specifications

Voltage7.4V
Amp Hours2600mAh
Capacity2600mAh
Rate19.24Wh
Net Weight96g /3.39 oz
Gross Weight121g /4.27 oz
Approximate Weight121g /4.27 oz
Dimension 65.80 x 37.00 x 18.50mm

Product Highlights

  • Brand: INT RASTER
  • 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 DP-25MX kept all its prices fine for months, then suddenly lost everything after a short power blip — why?

A brief mains interruption is the hardest test for the backup battery because the draw spikes immediately. If the cell had been slowly losing capacity through shallow cycling on the trickle charger, its voltage would drop fast under that sudden load — not enough to trigger any warning during normal use, but enough to lose the SRAM rail in under a second. This is capacity fade from age, not a fault with the new battery. Fit the replacement, leave the register on mains for 12 hours, then test with a deliberate wall-socket switch-off.

The register keeps correct time and date through power cuts, but it still loses programmed data — how can the clock survive if the battery failed?

The DP-25MX uses two separate backup circuits. The real-time clock (RTC) runs from a small dedicated cell — often a coin cell — that draws microamps and lasts years. The SRAM that stores prices and PLUs draws far more current and relies on the main 7.4V backup battery. When that main cell degrades, the RTC keeps ticking while programmed data is lost the moment mains drops. Replacing the P-0262 cell restores SRAM backup. If the clock also starts losing time, the RTC coin cell needs separate attention.

The replacement battery seems to deplete within a few weeks even though the register is on mains all day — what's draining it?

The DP-25MX trickle charger is calibrated for a 7.4V Li-ion cell at a specific charge termination voltage. If a previous battery had an internal fault that caused the charger circuit to run continuously at full rate rather than trickle, the same overcharge condition will shorten the new cell. Check whether the register's charger cuts off correctly by measuring battery voltage after 24 hours on mains — it should sit at 8.3–8.4V, not above 8.5V. If voltage climbs above 8.5V, the charge control circuit in the register needs inspection before the new cell is damaged.

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