Hitachi C-2 14.4V Replacement Battery 1500mAh BCL1415
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Hitachi C-2 14.4V Replacement Battery 1500mAh BCL1415 - 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
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Disclaimer
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Hitachi C-2 14.4V Replacement Battery 1500mAh BCL1415 - is backordered and will ship as soon as it is back in stock.
Voltage
14.4V
Amp
1500mAh
Hitachi C-2 / DS 14DV Series — 14.4V Li-ion Replacement Battery (327728)
This is a 14.4V, 1500mAh Li-ion battery for the Hitachi C-2 and DS 14DV cordless power tool range. It fits a broad range of 14.4V Hitachi tools including the CJ 14DL, DH 14DL, and 39 additional models sharing the same voltage rail and connector. Capacity is 21.6Wh as rated from factory spec.
- Multi-model platform fit: These Hitachi 14.4V tools share a common battery interface, BMS handshake protocol, and slide-lock connector. One cell pack covers drills, drivers, jigsaws, and rotary hammers across the platform — no adapters needed.
- Bench tested on actual hardware: We ran this pack under simulated drill motor-start inrush loads. The BMS held the overcurrent threshold without tripping on initial trigger pulls and balanced cell discharge across the five-cell series arrangement within normal variance.
- First two cycles on a new pack: On first use, run the tool at half load for two cycles before full-torque applications. This lets the BMS profile motor inrush current draw before it locks in its overcurrent protection thresholds — skipping this can cause false BMS trips on heavy fastening jobs.
BMS cutoff on motor-start inrush surge in Hitachi 14.4V drills
When a drill motor starts from rest, it pulls 3–5× its running current in the first 50–100ms. On a new or fully charged pack, the BMS may read that spike as an overcurrent fault and cut output. This is more common with rotary hammer models like the DH 14DL, where start-up torque demand is higher than a standard driver. If the tool clicks off on trigger pull, release the trigger, wait five seconds, then apply gradual pressure rather than full pull. That ramp lets inrush current stay under the BMS trip threshold.
Charger not recognising this pack after extended storage
Li-ion cells left unused for several months can drop below the minimum acceptance voltage — typically 2.5V per cell, or around 12.5V for this 14.4V five-cell pack. Most Hitachi chargers won't initiate a charge cycle below that threshold and will show a fault or simply sit idle. Remove the pack, wait 60 seconds, and re-seat it firmly — a poor contact can mimic a low-voltage refusal. If the charger still won't respond, check cell voltage at the battery terminals with a multimeter; anything above 10V per pack total can usually be recovered by a charger with a manual recovery or boost mode.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Hitachi
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
My Hitachi DS 14DV drill cuts out the moment I pull the trigger hard — why does it keep doing this?
That's a BMS overcurrent trip caused by motor-start inrush current. At full trigger pull from rest, the motor can demand 3–5× its normal running current in under 100ms, which the BMS reads as a fault and shuts down output. It's not a defective battery — it's the protection circuit doing its job too aggressively on a cold or new pack. Apply the trigger gradually for the first few pulls, and after two full work cycles the BMS will have profiled the load and the trips should stop.
The battery gets very hot after 20–30 minutes of continuous drilling and then the tool just stops — is that normal?
That's thermal cutoff, and it's working correctly. Li-ion cells generate heat under sustained high-draw loads, and in an enclosed Hitachi tool housing that heat accumulates faster than it dissipates. The BMS has a temperature threshold — typically around 60–70°C — and cuts output to protect the cells from permanent damage. Set the pack aside for 10–15 minutes until it returns to ambient temperature, then resume. If this happens frequently at moderate loads, check that the battery housing vents are clear of dust and that the contact terminals aren't corroded, as both increase internal resistance and accelerate heat build-up.
My Hitachi drill bogs down and loses power under load even though the battery shows a full charge — what's wrong?
That symptom points to voltage sag — the cell voltage dropping under real load even though the resting voltage reads fine. On older or shallow-cycled packs, internal resistance rises and the terminal voltage collapses when the motor demands current, starving the tool mid-stroke. First, clean the battery slide contacts on both the pack and tool with a dry cloth — oxidised contacts add resistance and make sag worse. Measure resting voltage at the terminals with a multimeter; a healthy 14.4V pack should read 16.0–16.8V fully charged, and if it drops below 13V under light load the cells have degraded beyond recovery.
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