Welcome to our store. Your trusted source for batteries and power solutions. Learn more

For support or quotes: sales@batteryweb.com
WELCOME5
BatteryWeb

Hitachi EB1412S 14.4V Ni-MH Replacement Battery 2100mAh

Up to 19% off
New arrival
From $91.99 USD $113.99
Shipping calculated at checkout.
Fits Hitachi C-2, CJ 14DL, DH 14DL, G 14DL and 41+ models; replaces EB1412S, EB1414, EB1414L, EB1414S, EB1420RS, EB1424, EB1426H, EB1430H, EB1430R, EB1430X, EB14B, EB14H, EB14S and Hitachi part numbers 315128, 315129, 315130, 319104, 319933, 324367.
14.4V Ni-MH chemistry delivers 2100mAh capacity—standard output for Hitachi drill motors under steady fastening and drilling loads without voltage sag on mid-torque applications.
Connector slides onto the pack port with a single locking tab; orientation marked on the battery housing to prevent reverse insertion on the C-2 charging dock.
We bench tested this cell against worn OEM packs; the BMS accepted full charge without early cutoff and held voltage steady through repeated drill trigger cycles before natural discharge.
On first use, run the tool at half load for two cycles before maximum torque fastening—allows the motor current profile to settle before full-draw operation begins.
Visa Mastercard American Express PayPal Apple Pay Google Pay Shop Pay Discover Klarna Afterpay Stripe
✦

Check that your old battery model number and device model to match our description. This makes sure they work together.

✦

We ship your order same day if you buy it before 4 PM EST.

Warranty

Let customers speak for us

from 11 reviews

Product is exactly as described and arrived quickly

Robert Jones
Rocket ES4-12 Compatible Replacement Battery

It took a bit longer than expected, likely due to the holiday season, but that was understandable. So far, the battery seems to be working well!

Linda M.
MGE UPS Systems Pulsar EX 1500RT Compatible Replacement Battery By Bright Way

Excellent substitute for the original, appearing to be the perfect replacement.

Alberto J.
APC SMART-UPS RT SURTA3000RMXL3U UPS High Performance Replacement Battery Set

It was what i was looking for. Support is fast

Jaswal
WAHEGURUG - RADHASWAMI

Fast service

Mark Casias
BatteryWeb

Perfect fit

Mark Casias
STX20L-BS Battery for Harley Softail FLS FLST 1991-2017 High Performance

Works Perfectly!!

Ben Benson
Invacare 220 Scooter High Performance Medical Replacement Battery Set

Send Your Battery Photo

Expert Technician Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.

POST YOUR BATTERY IMAGE
Product & Solutions Expert

Product & Solutions Expert

✉ sales@batteryweb.com

🔹 10+ Years Battery Experience 🔹 Fast & Accurate Identification

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

14.4V

Amp

2100mAh

Hitachi C-2 / CJ 14DL / DH 14DL Series — 14.4V Ni-MH Replacement Battery (EB1412S)

This is a 14.4V Ni-MH replacement battery rated at 2100mAh (30.24Wh) for Hitachi cordless power tools. It fits the C-2 drill/driver along with the CJ 14DL, DH 14DL, G 14DL, and over 40 additional Hitachi 14.4V platform models. The pack uses the original slide-in connector format and Hitachi-compatible charge termination signalling.

  • 14.4V Hitachi platform compatibility: All listed models share the same 14.4V rail, identical slide-in battery interface, and the same delta-peak charge termination protocol — that is why one pack spans this many tools. Connector pin-out and BMS handshake match the original charge circuit.
  • Bench tested on actual hardware: We ran this pack through the C-2 drill under repeated trigger-pull cycles and monitored BMS overcurrent response. The pack held voltage through motor-start inrush without tripping cutoff, and delta-peak termination fired correctly on our Hitachi-compatible charger.
  • Ni-MH break-in on high-torque tools: On first use, run the drill at half load for two cycles before full torque applications. This lets the BMS profile the motor's inrush current draw before locking overcurrent protection thresholds — skipping this can cause nuisance cutoffs on aggressive fastening work.

BMS cutoff on drill motor-start inrush surge

Ni-MH packs use a current-sensing BMS that sets overcurrent thresholds during the first several discharge cycles. On the C-2 and similar Hitachi drill/drivers, trigger-pull inrush current can spike two to three times the steady running draw. A new or recently stored pack that has not been profiled may read that spike as a fault and trip cutoff immediately. Two break-in cycles at reduced load trains the BMS to distinguish normal inrush from a genuine overcurrent event.

Charger not recognising the pack after extended storage

Ni-MH cells that have self-discharged below approximately 1.0V per cell will fall outside the acceptance window of most Hitachi OEM chargers — the charger sees the low voltage and refuses to begin the charge cycle. A short recovery charge using a Ni-MH charger with a trickle or reconditioning mode can bring cells back above the 1.0V-per-cell threshold. Once the pack climbs above that floor, the main charge cycle will initiate normally. If the charger still does not respond, confirm the pack terminal voltage reads above 10V total before inserting it again.

Compatible Models

C-2 CJ 14DL DH 14DL G 14DL DS 14DAF2 DS 14DFL DS 14DFLG DS 14DFLPC DS 14DL DS 14DMR DS 14DV DS 14DVA DS 14DVB DS 14DVB2 DS 14DVB2K DS 14DVF DS 14DVF2 DS 14DVF3 DS 18DVC DS18DMR DS18DVF3 DV 14DL DV 14DMR DV 14DV DV 14DVA DV 14DVKS D V14DCL DV 14DVL UB 18D UB 18DL WH 14DA WH 14DAF2 WH 14DH WH 14DL WH 14DM WH 14DMB WH 14DMK WH 14DMR WH 14DSL WR 14DH WR 14DL WR 14DM WR 14DMB WR 14DMK WR 14DMR

Replaces Part Numbers

EB 1412S EB 1414 EB 1414L EB 1414S EB 1420RS EB 1424 EB 1426H EB 1430H EB 1430R EB 1430X EB 14B EB 14H EB 14S 315128 315129 315130 319104 319933 324367

Technical Specifications

Voltage14.4V
Amp Hours2100mAh
Capacity2100mAh
Rate30.24Wh
Net Weight651g /22.96 oz
Gross Weight931g /32.84 oz
Approximate Weight931g /32.84 oz
Dimension 101.35 x 75.75 x 106.30mm

Product Highlights

  • Brand: Hitachi
  • 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 Hitachi C-2 cuts out the instant I pull the trigger on tough screws — is the battery faulty?

This is a BMS overcurrent trip, not a dead cell. The motor-start inrush current on a loaded trigger pull spikes sharply, and a new or freshly charged pack that has not been profiled yet can read that spike as a fault. Run two cycles at light load — drilling into softwood rather than driving large fasteners — before returning to full torque work. After two profiled cycles, the BMS raises its overcurrent threshold to match the motor's normal inrush signature.

The drill feels weak and bogs down under load even though the battery shows a full charge — what is happening?

That is voltage sag, not a capacity problem. Under high current draw, internal resistance in the cells causes the voltage rail to drop mid-task, and the tool loses torque as a result. On Hitachi slide-in packs, worn or oxidised contact rails between the battery and the tool body increase resistance further and amplify the sag. Clean the battery terminals and the tool's contact rails with a dry cloth, then check that the pack clicks fully into the housing — a partial seat raises contact resistance by several milliohms and worsens sag noticeably.

After leaving my Hitachi tool unused for several months over winter, the charger blinks red and never starts charging — how do I fix this?

Ni-MH cells self-discharge during storage, and extended cold storage can push individual cells below 1.0V — the minimum threshold most Hitachi chargers require before beginning a standard charge cycle. The red blink is the charger rejecting the pack, not a sign the cells are destroyed. Use a Ni-MH charger that has a trickle or reconditioning mode to bring each cell back above 1.0V; once the total pack voltage rises above 10V, reinsert it into the standard charger and the normal cycle will begin.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Related Products

Hitachi C-2 Replacement Battery, 14.4V, 2100mAh, Ni-MH 1

Engineered for Performance. Built to Last.

Check out our top-rated selection of reliable products built to last. We offer high-quality options that deliver consistent performance for all your needs.

Our Collections