1 / 4Kastar 2.4V 1000mAh Battery for Sony WH-RF4000 Wireless Headset Sony BP-HP800-11
Brand: Kastar
Lowest of 2 offers — see all below
In stock
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- Ships from
- US
- Format
- Buy It Now
Sold by
kastarusa1
418,804 feedback · 99.9 positive
Specifications
- Type
- 1 Battery
- Compatible Model
- For Sony WH-RF4000 Wireless Headset Sony BP-HP800-11
- Compatible Brand
- for Sony
- Model
- BP-HP800-11
- Voltage
- 2.4V
- Capacity
- 1000mAh
- Color
- White
- Chemical Composition
- Ni-MH
- Bundle Listing
- Yes
- To Fit
- Cordless Phone
- MPN
- MH-RF4000-2
- Brand
- Kastar
- Country/Region of Manufacture
- China
About this product
Package Includes: Please check the selection and selection picture. Please choose carefully. Product Description: Do not spend too much time and money on frequent brands with low quality replacement. With our longer run time & protection features, your cycle life will also be improved because you get quality product fo…Read full descriptionShow less
- Package Includes:
Please check the selection and selection picture. Please choose carefully.
- Product Description:
Do not spend too much time and money on frequent brands with low quality replacement. With our longer run time & protection features, your cycle life will also be improved because you get quality product for your headphone.
1. High Capacity:
No longer to worry about the endurance of the batteries, Kastar high capacity battery will provide ultra strong power for your headphone to performance well and operate longer.
2. Battery Specification:
Battery Type: Ni-MH; Battery Voltage: 2.4V; Battery Capacity: 1000mAh.
Battery Dimensions: 1.8" x 0.9" x 0.45" (46.00 x 23.00 x 11.3mm)
3. Safety Assurance:
Kastar add mix-protection additive to the cathode of batteries, protect the material from degradation in the progress of charge and discharge, extend lifespan up to 1200 cycles.
4. Low self-discharge:
Embedded seal structure expand the space of crystal lattice, make more room for hydrogen, so Kastar batteries will holds power longer than others.
5. Environmental Protection:
Ni-MH eco-friendly cell, doesn't contain Hg/Cd/Pb, makes no pollution to the environment, and using DBCK steel shell which can protect the battery against explosion due to overpressure.
- Compatible with:
1. Compatible with the following Sony battery models:
Sony BP-HP550-1 BPHP5501
Sony BP-HP550-11 BPHP55011
Sony BP-HP800-11
2. Compatible with the following Sony headphone models:
Sony MDR-IF245RK MDRIF245RK
Sony MDR-RF4000 MDRRF4000
Sony MDR-RF4000K MDRRF4000K
Sony MDR-RF4000RK MDRRF4000RK
Sony MDR-RF4000-1 MDRRF40001
Sony MDR-RF810 MDRRF810
Sony MDR-RF810RK MDRRF810RK
Sony MDR-RF840 MDRRF840
Sony MDR-RF840RK MDRRF840RK
Sony MDR-RF840RJ MDRRF840RJ
Sony MDR-RF850 MDRRF850
Sony MDR-RF850RK MDRRF850RK
Sony MDR-RF860 MDRRF860
Sony MDR-RF860RK MDRRF860RK
Sony MDR-RF925 MDRRF925
Sony MDR-RF925RK MDRRF925RK
Sony MDR-RF970 MDRRF970
Sony MDR-RF970RK…
Description written by a seller of this product on eBay. Store, shipping, payment and contact text has been removed. Check each offer for that seller's own terms.
Compare offers
2 listings from 1 seller. Prices update periodically.
- Lowest price
- $7.99
- Highest price
- $16.99
- Offers
- 2from 1 seller
- Lowest total
- $7.99
- price + stated shipping
| Seller | Condition | Ships from | Price | Shipping | Delivery & returns | Total | |
|---|---|---|---|---|---|---|---|
kastarusa1 via eBay 99.9% positive · 418,804 ratings Highly rated seller | New | United States | $7.99Lowest price | Free | Est. Oct 28 – Nov 3 | $7.99 | View Deal |
kastarusa1 via eBay 99.9% positive · 418,804 ratings Highly rated seller | New | United States | $16.99 | Free | Est. Oct 28 – Nov 3 | $16.99 | View Deal |
Seller ratings are the feedback eBay reports for each seller. "Highly rated" means at least 98% positive from at least 100 ratings. Total = price + shipping, shown only when the listing states its shipping cost.
Price history
Lowest price available each day, tracked since Oct 7, 2026 (22 days).
- Current lowest
- $7.99
- Previous price
- No change yet
- Lowest recorded
- $7.99
- Highest recorded
- $7.99
- Trend
- → Stable
- since Oct 7
The lowest price for all conditions has not changed in this period, so there is no trend to chart yet.
History is built only from prices this site observed, starting the day tracking began; nothing is estimated or back-filled. Each point is the lowest price among the offers available that day. Shipping, duties and taxes are not included.
