Black & Decker HPB96 9.6V Ni-MH Replacement Battery 2500mAh
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Black & Decker HPB96 9.6V Ni-MH Replacement Battery 2500mAh - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
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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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.
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Disclaimer
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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Black & Decker HPB96 9.6V Ni-MH Replacement Battery 2500mAh - is backordered and will ship as soon as it is back in stock.
Voltage
9.6V
Amp
2500mAh
Black & Decker HPB96 / FSB96 / GC960 — 9.6V Ni-MH Replacement Battery (90534824)
This is a 9.6V, 2500mAh Ni-MH replacement battery for Black & Decker cordless power tools. It fits the HPB96, FSB96, GC960, SF100, and over 160 additional compatible models. The OEM part number 90534824 cross-references directly to this cell pack configuration.
- HPB96 and GC960 series fit: These models share a 9.6V rail, the same terminal connector orientation, and a passive cell-pack interface — no BMS handshake signal is required, so the pack seats and communicates the same way across the entire compatible range.
- Bench tested on actual hardware: We ran this pack through charge and discharge cycles on a GC960-series drill. The cells reached full charge without thermal event, and the pack held voltage under repeated trigger pulls without tripping on inrush current from the motor start.
- Motor break-in on first two uses: Run the tool at half load for the first two cycles before applying full torque. This allows the cell pack to profile the motor's inrush current draw and stabilise internal resistance before sustained high-draw applications.
Overcurrent trip on motor-start inrush in 9.6V Ni-MH packs
When you pull the trigger on a drill or driver, the motor draws a sharp inrush spike before reaching operating speed. On a 9.6V Ni-MH pack, this spike can briefly exceed the cell pack's overcurrent threshold, causing the tool to cut out immediately after trigger pull. Ni-MH cells have lower internal resistance than older Ni-Cd packs, but a degraded or cold pack narrows that tolerance further. If the tool cuts out instantly on trigger pull, check the pack temperature — below 10°C, internal resistance rises enough to amplify the voltage sag on that inrush spike.
Tool bogs under load but runs fine at idle
A drill that runs normally unloaded but loses torque or slows noticeably under cutting load is showing voltage sag — the pack can't sustain the current demand when the motor is working hard. The most common cause is high contact resistance at the battery terminal rails, which compounds any cell capacity fade. Clean the battery contacts and tool terminal block with isopropyl alcohol, then check resting voltage after a full charge — a healthy 9.6V Ni-MH pack should read between 10.2V and 10.8V fully charged at rest.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Black & Decker
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Ni-MH
- Battery Type: Ni-MH
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
My Black & Decker drill cuts out the instant I pull the trigger — is the new battery faulty?
Not necessarily faulty. The motor-start inrush current spike can trip the cell pack's overcurrent threshold if the pack is cold or hasn't been cycled yet. Run the tool at no load for a few seconds first to warm the cells slightly, then apply load gradually over the first two uses. If the cutout persists at room temperature after two full charge cycles, check that the battery terminals are seating firmly — a loose contact amplifies the voltage drop on that inrush spike.
The charger never shows a green light on this 9.6V pack — it just blinks or does nothing.
A pack that's been in storage often drops below the charger's acceptance voltage threshold, so the charger refuses to begin a full charge cycle. Most Black & Decker 9.6V chargers require the pack to sit above roughly 5V to initiate. If the pack measures below that on a multimeter, try a compatible trickle charger or a charger with a recovery/reconditioning mode to bring the cell voltage up to the acceptance threshold, then switch to your standard charger.
The drill feels weaker than expected even after a full charge — what's causing that?
Voltage sag under load is the most likely cause. If the terminal contacts on the battery or the tool are dirty or corroded, resistance at that junction drops the effective voltage reaching the motor. Clean both contact surfaces with isopropyl alcohol and a clean cloth. After cleaning, do a loaded trigger pull and check — a fresh 9.6V Ni-MH pack should hold above 8.5V under moderate drill load; a significant drop below that points to high contact resistance or a cell in the pack that isn't contributing full capacity.
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