Estry

Battery for Sony NWZ-A720 NWZ-A728 NWZ-820 NWZ-A726 NWZ-A826 NWZ-A828 NWZ-A829 NWZ-A729BLK NWZ-S738 NWZ-S738FBNC NWZ-S738F 1-756-702-11 LIS1374HNPA 8315A32402 1-756-702-12 8917A44167

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.

$18.99 USD

~~$0.00 USD~~ $18.99 USD

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Shipping calculated at checkout.

Title 750mAh

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

This is a 650mAh 3.7V Li-Polymer replacement battery for Sony NWZ-A720, NWZ-A728 and more, compatible with battery part numbers 1-756-702-11, LIS1374HNPA, 8315A32402 and more.

Battery Specifications

Type:	Li-Polymer
Weight:	39.0g
Dimension:	51.7234.633.52mm
Category:	Media Player
Voltage:	3.7V
Rate:	2.41Wh

Compatible Brand

Sony

Compatible Model

NWZ-A720
NWZ-A728
NWZ-820
NWZ-A726
NWZ-A826
NWZ-A828
NWZ-A829
NWZ-A729BLK
NWZ-S738
NWZ-S738FBNC
NWZ-S738F

Compatible Battery Part Number

1-756-702-11
LIS1374HNPA
8315A32402
1-756-702-12
8917A44167

⚠ 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.