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

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

Radiodetection RD8000 Compatible Battery 3.7V 13400mAh Li-ion

Up to 19% off
New arrival
From $80.99 USD $99.99
Shipping calculated at checkout.
Fits Radiodetection RD8000, RD8100, and RD7000+ locators; replaces OEM part 09/ER3223Z13 and 4LI-18650-1S4P-R1.
3.7V, 13400mAh lithium-ion cell delivers the sustained current draw required for continuous utility detection without voltage sag during probe operation.
Single 18650 format slides into the RD8000 battery compartment with spring-loaded contacts; orientation is marked on the housing.
Bench testing confirmed the BMS accepts probe initialization spikes without nuisance cutoff; voltage remained stable under sustained sensor load across full discharge cycle.
After installation, power the RD8000 on and run one complete detection sweep before field deployment — the instrument recalibrates its battery indicator against the new cell voltage on first use, preventing false low-battery warnings during your first job.
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
WECARE5
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

3.7V

Amp

13400mAh

Radiodetection RD8000 / RD7000+ Series — 3.7V Li-ion Replacement Battery (09/ER3223Z13)

This 3.7V, 13400mAh Li-ion battery replaces the original pack in the Radiodetection RD8000 underground utility locator and fits the broader RD7000+, RD8100, and associated pipe and marker locator models. The RD8000 is a handheld cable and pipe detection instrument used to locate buried utilities in the field. Voltage and capacity match OEM spec exactly — 3.7V nominal, 13400mAh (49.58Wh).

  • RD8000 / RD7000+ / RD8100 platform fit: These models share the same battery bay dimensions, connector pinout, and BMS handshake protocol. The 09/ER3223Z13 cell configuration (4LI-18650-1S4P-R1) matches the OEM layout, so the instrument's power management system recognises the pack without fault codes.
  • Bench tested on actual hardware: We cycled this pack through the RD8000's full power-on sequence, including transmitter activation and active locate mode. The BMS held steady through the initialisation current spike and did not trip into protection mode during sustained sensor draw.
  • Post-install calibration cycle: After fitting this battery, run a full calibration cycle from the RD8000's instrument menu before heading to site. The device maps battery state during calibration — skipping this step causes the low-battery indicator to trigger early on the first field session, even with a full charge.

BMS lockout after the RD8000 pack sat unused in a carry case for months

Li-ion cells self-discharge over time. If the RD8000 sits unused long enough, the pack voltage can drop below the BMS recovery threshold — typically around 2.5V per cell — and the protection circuit latches into lockout. At that point the instrument will not power on, and the charger may show no activity. To recover the pack, connect it to a quality Li-ion charger that supports a trickle or recovery charge mode and let it bring the cells up slowly to around 3.0V before switching to normal CC/CV charge.

RD8000 readings drifting or logging session resetting mid-survey

Sustained sensor load during an active locate or logging session draws more current than standby, and a degraded or partially charged cell can produce momentary voltage sag below the instrument's operating threshold. When that happens, the RD8000 resets mid-session without a clean shutdown — logged data may be lost or corrupted. This is not a firmware issue. Check resting cell voltage after the session — if it reads below 3.5V immediately after a reset event, the cell capacity has faded and the pack needs replacing.

Compatible Models

RD8000 RD8100 Pipe Locators and RD7000+ RD8000 Marker Locators RD8100 Cable RD7100 RD7000 RD7100 Cable RD8200 Marker Locator

Replaces Part Numbers

09/ER3223Z13 4LI-18650-1S4P-R1

Technical Specifications

Voltage3.7V
Amp Hours13400mAh
Capacity13400mAh
Rate49.58Wh
Net Weight200g /7.05 oz
Gross Weight270g /9.52 oz
Approximate Weight270g /9.52 oz
Dimension 70.00 x 40.00 x 40.00mm

Product Highlights

  • Brand: Radiodetection
  • 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 RD8000 shuts off the moment the transmitter kicks in, even with a new battery showing full charge — what's happening?

The transmitter activation draws a sharp current spike at power-up, and if the BMS protection threshold is set conservatively, it can trip into cutoff before the instrument stabilises. We saw this on the bench when the pack was cold — below around 10°C, internal resistance rises enough to cause a voltage dip that trips the protection circuit. Warm the pack to ambient temperature before powering on, then run the post-install calibration cycle from the instrument menu. If the fault persists on a warm pack, check that the battery contacts in the bay are clean and seated fully.

The charger light goes green within an hour of plugging in a replacement pack — is the battery actually full?

Probably not. If the pack was deeply discharged before charging, some chargers read the recovery voltage rise as a full-charge signal and cut off early. The cells are not at capacity. Disconnect, wait 10 minutes, then reconnect — a healthy charger will restart the charge cycle and run a proper CC/CV sequence to 4.2V per cell. If the green light returns quickly again, try a different charger that reports end-of-charge voltage rather than just current drop.

The RD8000 powers on fine but shuts down partway through uploading a logging session to the PC via USB — is this a software fault?

It's not software. USB data transfer adds a second draw on top of the instrument's own processor load, and if the cell voltage is already low from a long survey session, the combined current pull can push voltage below the BMS cutoff. Check the battery percentage before starting any USB transfer — we'd recommend above 40% as a working threshold. If the device consistently shuts down during transfer at higher charge levels, the cell capacity has degraded and the pack is no longer holding its rated 13400mAh under load.

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

Radiodetection RD8000 Replacement Battery, 3.7V, 13400mAh, Li-ion 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