Estry

Battery for CS-NK4CSL BBA-07 BK-BL-4C BL-4C C4C08T C4C50T C4C60T C4C85T JB-4C MP-S-A2 6102i 6136S 6300i 7270N AGG-02 AGG-023 AGG-052 C2-05 DV-12T Disco2Go HDDV-8210 HDDV-8250 HDDV-8310 K203M MP-300 MS1701 T-100 TEL2405 TEL2408 TV2Go

Q: How do I confirm this battery fits my device?

Match your device against the Compatible Model list, or compare the part number printed on your original battery. Still unsure? Email us with your battery details or photos and we will help you confirm.

$16.00 USD

Sale Sold out

Shipping calculated at checkout.

Capacity 750mAh 550mAh

12-Month Warranty30-Day Easy ReturnsShips from US in 48hUN38.3 & ISO9001 Certified

This is a 550mAh 3.7V Li-ion replacement battery for CS-NK4CSL devices.

Battery Specifications

Type:	Li-ion
Weight:	42.0g
Dimension:	53.034.04.8mm
Category:	Mobile, SmartPhone
Voltage:	3.7V
Rate:	2.04Wh

Compatibility

Compatible Brand: CS-NK4CSL

⚠ Safety Warnings

Do not disassemble, puncture or modify the battery.
Never short-circuit the terminals or expose to heat / fire.
Do not mix with different batteries or chargers.
Recycle used batteries at designated collection points.

Why Choose Estry

✓ Grade A Cells — Premium cells with stable discharge and low self-discharge.

✓ Real Capacity — Capacity tested to match or exceed the original battery.

✓ Strict QC — Every battery passes charging/discharging and safety checks.

UN38.3 tested for safe transport. MSDS available upon request. Manufactured in an ISO9001 certified facility.

FAQ

How do I confirm this battery fits my device?

Match your device against the Compatible Model list above, or compare the part number printed on your original battery. Still unsure? Email us with your battery details or photos and we will help you confirm.

What is the warranty policy?

This battery is covered by a 12-month warranty against manufacturing defects, plus 30-day easy returns for peace of mind.

How fast will my order arrive?

In-stock orders ship from our US warehouse within 48 hours on business days.