Estry

Battery for IBM 571F 572F 5739 5778 5781 5782 5799 5800 590 45906 5908 iSeries pSeries xSeries 42R3965 74Y5665 42R3969

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.

$41.99 USD

~~$0.00 USD~~ $41.99 USD

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Title 3600mAh

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

This is a 3600mAh 3.7V Li-Polymer replacement battery for IBM 571F, 572F and more, compatible with battery part numbers 42R3965, 74Y5665, 42R3969.

Battery Specifications

Type:	Li-Polymer
Weight:	175.0g
Dimension:	122.9669.5410.84mm
Category:	RAID Controller
Voltage:	3.7V
Rate:	13.32Wh

Compatible Brand

IBM

Compatible Model

571F
572F
5739
5778
5781
5782
5799
5800
590
45906
5908
iSeries
pSeries
xSeries

Compatible Battery Part Number

42R3965
74Y5665
42R3969

⚠ 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.