Gold Member Since 2014
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Telong Energy Technology Co., Ltd.

Power Battery, Lead Acid Battery, 4V2.5ah Battery manufacturer / supplier in China, offering 4V2.5ah Rechargeable Power Battery (Lead Acid Battery), Deep Cycle Lead Acid Solar Power Battery (12V150AH), 12V26ah Power Battery for UPS and so on.

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Supplier Homepage Product 4V Lead Acid Battery 4V2.5ah Rechargeable Power Battery (Lead Acid Battery)

4V2.5ah Rechargeable Power Battery (Lead Acid Battery)

Purchase Qty.:
500-9,999 10,000+
FOB Unit Price: US $1.2 US $0.8
Purchase Qty. (Pieces) FOB Unit Price
500-9,999 US $1.2
10,000+ US $0.8
Get Latest Price
Production Capacity: 500000/Month
Transport Package: in Cartons or Carton Box Packing in Wooden Pallet
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: TL425
  • Usage: Car, UPS, Electric Power, Lighting, LED Light Electric Tool , Toy ,Emergency Light
  • Discharge Rate: High Discharge Rate
  • Electrolyte: Acid
  • Size: 50*22*100mm
  • Color: Black/ White/Grey
  • Charge (Cycle Use): 4.8~5.0V
  • Designed Life: 2 Years
  • Trademark: TELONG
  • Origin: Shenzhen China(Main Land)
  • Type: Lead-Acid Batteries
  • Nominal Voltage: 4V
  • Shape: Square Battery
  • Rechargeable: Chargeable
  • Weight: 0.26
  • Container: ABS
  • Charge (Float Use): 4.5~4.6V
  • Warranty: 1 Year
  • Specification: CE, UL, ROHS, MSDS, UN38.3
  • HS Code: 850720000
Product Description
TELONG 4V2.5ah Battery:  1). Sealed and Maintenance Free    2).  Warranty: 1 Year , changed with quality problem.   3). OEM / ODM
4). CE UL RoHS approvial     5). Used for: LED Light   Electric Toy   Emergency Lighting System.....


Nominal Voltage4 V                                                                                   
Rated capacity (20 hour rate)2.5 Ah
Dimension                 Length50mm (1.95 inches)
Width22mm (0.86inches)
Height                        100mm (3.90inches)
Weight Approx0.26Kg(0.57Ibs)

4V2.5ah Rechargeable Power Battery (Lead Acid Battery)


1).Absorbent Glass Mat(AGM) technology for efficient gas recombination of up to 99%
   and freedom from electrolyte maintenance or water adding.
2).Not restricted for air transport-complies with IATA/ICAO Special Provision A67.
3).UL-recognized component.
4).Valve Regulated Construction .Can be mounted in any orientation.
5).Computer designed lead, calcium tin alloy grid for high power density.
6).Long service life, float or cyclic applications. Maintenance-free operation.
7).Low self discharge. Long Life Design 
8).Wide Operation Temperature Range 
9).Available in flame retardant ABS material for the battery case


25'C (77'C)
20 hour rate(0.15A )2.5AH
10 hour rate(0.28A )2.3AH
5 hour rate(0.28A )2.1AH
1 hour rate(1.96A  )1.43AH
Internal ResistanceFull charged Battery at 25  'C(77'F  )35 milli-ohm
Capacity affected by Temp40'C (104F)102%
25'C (77'F)100%
0'C (32'F)85%
(-15'C )5'F65%
25'C (77'F)                                         
Capacity after 3 month storage91%
Capacity after 6 month storage82%
Capacity after 12 month storage64%
Charge Cycle  Initial Charging Current less than 0.5A
(Constant Voltage)Voltage 4.8-5.0V

FloatVoltage4.5-4.6 V                                                             


LED Light / Electric Tools / Medical equipment
Emergency Lighting / Alarm system
Electric Power Supply
DC power Supply /Emergency lighting system                                                           
Other standby or primary power supplies.


1Logo: Yours or Mine (silk printing)
2Packaging: in Carton Box Packing in Wooden Pallet
Pcs/ctn: 60pcs/ctn
Ctn size: 41*24*13.7cm
GW/NW: 15.8kg/15.6kg
3Payment terms: T/T(with 30% deposit); L/C at sight
4Date of delivery: 15-25days after receipt of the deposit
5Loading port: Shenzhen (China)
6Sample charge: FREE
4V2.5ah Rechargeable Power Battery (Lead Acid Battery)
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Mr. Tony Hu
Marketing Manager
To: Mr. Tony Hu

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