Rack UPS is rated in watts per cell at 15-min, not Ah. If your UPS says "21W/cell min", fit at least WP21W-12.

Yes, but you lose the peak premium. For low prolonged use, standard WP is more efficient.

WP WATT Series

LONG WP Watt Series batteries: high-rate 12V AGM optimised for fast discharge in rack UPS. 21W-150W per cell. Effective 5-40 Ah depending on rate.

Vs standard WP, delivers 30-50% more peak watts for 5-15 minutes — ideal for peak loads and data centers.

There are 7 products.

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Showing 1-7 of 7 item(s)

LONG

Stationary battery Long WP1236W 12V 9Ah AGM

12V

9Ah

AGM

151 × 65 × 102 mm

4,76(50)

€18.54 VAT incl.

TO BUY

LONG

Long WP1251W stationary UPS battery 12V 12Ah AGM

12V

12Ah

AGM

151 × 98 × 98 mm

TO BUY

LONG

Long WP1236WT stationary UPS battery 12V 9Ah AGM

12V

9Ah

AGM

151 × 65 × 106 mm

TO BUY

LONG

Long WP7-12(28W)T stationary UPS battery 12V 7Ah AGM

12V

7Ah

AGM

151 × 65 × 106 mm

TO BUY

LONG

Long WP7-12(28W) stationary UPS battery 12V 7Ah AGM

12V

7Ah

AGM

151 × 65 × 102 mm

4,78(20)

€21.19 VAT incl.

TO BUY

LONG

Long WP1224W stationary UPS battery 12V 6Ah AGM

12V

6Ah

AGM

151 × 51 × 101 mm

TO BUY

LONG

Long WP1213W stationary UPS battery 12V 3Ah AGM

12V

3.3Ah

AGM

134 × 67 × 65.5 mm

4,76(23)

TO BUY

LONG WP Watt — high-rate AGM

Watt range turns standard WP into a fast-discharge battery: thinner, more numerous plates, more active surface per volume unit. Spec is watts per cell at 15-min: WP21W = 21 W/cell for 15 min.

Code	W/cell 15min	Eq. Ah	Application
WP21W-12	21	5	1U rack small UPS
WP50W-12	50	9	SMB rack UPS
WP90W-12	90	17	Server UPS
WP150W-12	150	40	Data center UPS

Compatible UPS

APC Smart-UPS RT, SRT
Eaton 9SX, 9PX rack
Riello Sentinel Tower

Watt or Ah?: Rack UPS is rated in watts per cell at 15-min, not Ah. If your UPS says "21W/cell min", fit at least WP21W-12.
Use in non-rack UPS?: Yes, but you lose the peak premium. For low prolonged use, standard WP is more efficient.

LONG WP Watt catalogue curated by our technical team. 10,798 Trustpilot reviews · 4.4/5. 24h mainland delivery, free 14-day returns.

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