Estry

Battery for SeaLife Sea Dragon 1200 Sea Dragon 1500 Sea Dragon 2000 Sea Dragon 2100SF Sea Dragon 2500 Sea Dragon 3000 Sea Dragon Fluoro-Dual Beam SL983 SL984 SL9831

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.

$30.99 USD

~~$39.99 USD~~ $30.99 USD

Sale Sold out

Shipping calculated at checkout.

Title 3000mAh

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

This is a 3000mAh 7.4V Li-ion replacement battery for SeaLife Sea Dragon 1200, Sea Dragon 1500 and more, compatible with battery part numbers SL9831.

Battery Specifications

Type:	Li-ion
Weight:	181.0g
Dimension:	75.4439.721.2mm
Category:	Flashlight
Voltage:	7.4V
Rate:	22.20Wh

Compatible Brand

SeaLife

Compatible Model

Sea Dragon 1200
Sea Dragon 1500
Sea Dragon 2000
Sea Dragon 2100SF
Sea Dragon 2500
Sea Dragon 3000
Sea Dragon Fluoro-Dual Beam
SL983
SL984

Compatible Battery Part Number

SL9831

⚠ 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.