Heine Beta Handles Replacement Battery 3.6V 850mAh B12043
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.
Heine Beta Handles Replacement Battery 3.6V 850mAh B12043 - is backordered and will ship as soon as it is back in stock.
Let customers speak for us
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
✉ sales@batteryweb.com
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.
Delivery and Shipping
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
⚠️ 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.
Heine Beta Handles Replacement Battery 3.6V 850mAh B12043 - is backordered and will ship as soon as it is back in stock.
Voltage
3.6V
Amp
850mAh
Heine Beta Handles & Beta 200 Series — 3.6V Ni-MH Replacement Battery (B12043)
This is a 3.6V, 850mAh Ni-MH replacement battery for Heine Beta Handles and compatible diagnostic instruments. It fits the ophthalmoscope Beta 200, ophthalmoscope Beta 200s, and the Short F.O. Laryngoscope Handle. Cross-references include BATT/110904-A1, X-02.99.380, X-02.99.382, and X-002.99.382.
- Beta Handle instrument family: These models share the same 3.6V power rail, physical cell format, and BMS handshake protocol. The connector and cell dimensions (82.10 x 28.20 x 26.00mm) are matched across the Beta 200, Beta 200s, and Short F.O. Laryngoscope Handle — which is why one cell covers the full range.
- Bench tested on actual hardware: We ran this cell through the Beta Handle's startup sequence and monitored BMS communication through the first charge cycle. The protection circuit accepted the cell without fault codes. Charge acceptance was normal; the BMS did not flag chemistry mismatch on Ni-MH charge profiling.
- Post-installation self-test cycle: After fitting this battery, allow the device to complete its full power-on self-test without interruption. The Beta Handle runs BMS verification at startup. Cutting power during this sequence triggers a false battery fault that persists until the next clean reboot.
Why the Beta Handle shows low battery immediately after a confirmed full charge
The Beta Handle's charge IC applies a conservative threshold when it first encounters a new Ni-MH cell. The BMS compares internal resistance and charge acceptance against a learned baseline — which does not exist yet on a fresh cell. This causes the device to report a low-battery condition even when the cell is fully charged. One complete charge-discharge cycle is enough to write the baseline and clear the fault.
Device will not power on after the battery sat in storage
Ni-MH cells self-discharge at roughly 1–2% per day at room temperature. A cell stored in packaging for several months can drop below the Beta Handle's BMS recovery threshold — typically around 3.0V — at which point the device will not respond to the power button at all. Place the battery on charge for a minimum of 30 minutes before attempting to power the device on. If the charge indicator does not respond, check the charger output is reaching 4.2–4.5V at the contact points before replacing the cell.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Heine
- 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 Heine Beta Handle shuts off mid-examination even though the battery showed full before I started — what's happening?
In the first 10 uses, a new Ni-MH cell has not yet stabilised its internal resistance under the load profile the Beta Handle draws during active use. The BMS interprets the resulting voltage sag as a depleted cell and cuts power as a protection measure. Run three full charge-discharge cycles before clinical use — this conditions the cell and brings internal resistance down to the level the BMS expects at full charge.
The charge indicator on my Beta Handle charger never reaches 100% on the first charge — is the cell faulty?
The charge IC applies a reduced current limit the first time it sees a new Ni-MH cell. It is measuring charge acceptance rate to characterise the cell, and will not release the full charge stage until it completes that measurement. This is normal on cycle one. Leave the device on charge until the indicator completes — do not interrupt it. By cycle two, the charge IC will have the data it needs and the indicator will behave normally.
After swapping in this battery, my Beta 200 fails its startup self-test — the same cell works in a different handle. Why?
Each Beta Handle stores its own BMS learn data. A cell that has already completed conditioning in one handle has a written baseline — but the second handle has no record of this cell and applies its unlearned threshold at self-test. The fix is to run one full charge-discharge cycle in the second handle specifically. After that cycle, the BMS writes its own baseline and self-test will pass.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Related Products
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.
-
Up to 20% offNew arrival
BatteryWeb
Bollywood E30 ECG Replacement Battery LB-05 11.1V 2600mAh
0.47 lb
Sale priceFrom $38.99 USD Regular price $47.99Unit priceIn stock (51 units) -
-
Up to 20% offNew arrival
BatteryWeb
Biolight BLT-E30 Patient Monitor Compatible Battery 11.1V 2600mAh
0.47 lb
Sale priceFrom $38.99 USD Regular price $47.99Unit priceIn stock (51 units) -
-
Up to 20% offNew arrival
BatteryWeb
Bollywood E30 ECG Compatible Battery 11.1V 3400mAh LB-05
0.48 lb
Sale priceFrom $43.99 USD Regular price $54.99Unit priceIn stock (75 units) -
-
Up to 20% offNew arrival
BatteryWeb
Biolight BLT-E30 Replacement Battery 11.1V 3400mAh
0.48 lb
Sale priceFrom $43.99 USD Regular price $54.99Unit priceIn stock (75 units) -
-
Up to 18% offNew arrival
BatteryWeb
Philips Trilogy 100 14.4V 6800mAh Replacement Battery 1043570
1.45 lb
Sale priceFrom $138.99 USD Regular price $167.99Unit priceIn stock (63 units) -
-
Up to 17% offNew arrival
BatteryWeb
Philips Trilogy 100 14.4V 5200mAh Replacement Battery
1.39 lb
Sale priceFrom $118.99 USD Regular price $143.99Unit priceIn stock (177 units) -
-
Up to 18% offNew arrival
BatteryWeb
BIONICS BPM-770 Patient Monitor Replacement Battery 11.1V 3400mAh
1.12 lb
Sale priceFrom $119.99 USD Regular price $144.99Unit priceIn stock (72 units) -
-
Up to 18% offNew arrival
BatteryWeb
Biolight M8000 Patient Monitor Replacement Battery 11.1V 3400mAh
1.12 lb
Sale priceFrom $119.99 USD Regular price $144.99Unit priceIn stock (72 units) -
