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iPowerUS Professional Li-Polymer 9V 520mAh V.3 Rechargeable Battery Model IP9V-520

Availability: In stock

£16.50 inc VAT £13.75 ex VAT
  • Buy 12 at £16.25 (£13.54 ex VAT) each  save 2%
  • Buy 24 at £15.95 (£13.29 ex VAT) each  save 4%


These extremely high capacity rechargeable Li-Polymer 9V batteries from iPowerUS are designed for use in professional equipment and not ordinary household items. Commomly used in radio mics, wireless monitoring systems, transmitters and receivers. Used throughout the TV, film and music industries these rechargeable lithium polymer 9V batteries offer a huge 520mAh capacity and a safe and stable power supply. The iPowerUS Li-Polymer 9V 520mAh batteries have proved very popular over the water in the United States and Canada, now they are available here in the UK from Approved iPowerUS UK Distributors. 

We sell these IP9V-520 iPower US batteries in multiples of 4 and with every 4 batteries you buy, you will receive a free battery holder / caddy for safe storgae and transportation.

Please note this battery can ONLY be charged using the iPowerUS FC-9V4LN battery charger with the dual mode switched to the Li-ion / Li-Polymer setting. You can buy this charger here.


Nominal capacity - 520mAh
Minimum capacity - 500mAh
Nominal voltage - 8.4V ~ 6.5V (Working voltage - 8.4V-6.5V)
Discharge end voltage - 6.5V
Charging voltage - 8.4V ± 0.05V
Nominal discharging current - up to 500mA
Over protect protect - 1.50~2.5A
Over voltage protect - 8.50V ± 0.05V 
Low voltage protect - 6.5V (+0.2V/-0.4V)
Internal resistance - ≤ 450mΩ
Storage temperature (centigrade) - 0~40 degree
Charge temperature - 0~40 degree
Discharge temperature -  -10~45 degree
Charge/Discharge cycle life (100 times/3 month) - >65% (>325mAh) 
Dimensions - 25.5 x 16.4 x 47.5mm 


Additional Information

Pack Size 1
Voltage 9V
Capacity 700mAh
Chemistry Li-Polymer
Rechargeable? Yes
Suitable For High Drain
Pre-charged? No