CS-HY9910BX Battery – Dolphin 99EX 99EX-BTEC 99EXhc 99GX 99EX-BTEC-1 99EX-BTES-1 Replacement
CS-HY9910BX Battery Replacement
Premium replacement battery for Dolphin 99EX 99EX-BTEC 99EXhc 99GX 99EX-BTEC-1 99EX-BTES-1. 6800mAh 3.7V Li-ion — engineered to original specifications and certified for safe transport.
| Model No. | CS-HY9910BX |
|---|---|
| Fits | Dolphin 99EX 99EX-BTEC 99EXhc 99GX 99EX-BTEC-1 99EX-BTES-1 |
| Capacity | 6800mAh |
| Voltage | 3.7V |
| Energy | 25.2Wh |
| Chemistry | Li-ion |
| Dimensions | 78.40 x 45.10 x 22.30 mm |
| Weight | 108g |
| OEM Part No. | 99EX-BTEC-1, 99EX-BTES-1 |
Compatible Devices
- 99EX
- 99GX
- 99EXhc
- 99EX-BTEC
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$37.99per unit · free US shipping
Buy Now — $37.99
Full Spec Sheet
- Volume discounts from 10 pcs (up to 10% off)
- UN 38.3 certified + MSDS/SDS provided
- Free US shipping on every order
- B2B invoicing & wholesale support
FAQ
Is this battery compatible with my device?
The CS-HY9910BX is a replacement battery for Dolphin 99EX 99EX-BTEC 99EXhc 99GX 99EX-BTEC-1 99EX-BTES-1. See the compatible device list above for verified fits. Match your original battery's model or OEM part number before ordering.
What certifications does this battery have?
All Estry batteries ship with UN 38.3 transport certification and MSDS/SDS documentation, required for compliant air and ground shipping.
Do you offer wholesale pricing?
Yes — volume discounts apply automatically: 5% off at 10+, 6% at 20+, 8% at 50+, and 10% at 100+ pieces. US shipping is free on every order.