1. Compatible  rechargeable battery BT-65Q  for Topcon GPT-7501,GPT-7502,GPT-7503,GPT-7505;

2.  Temprature : 10-40 Centigrade;

3.  Battery type : LI-ION ;

4.  Voltage : 7.4V Capacity : 5200mah;

5.Our batteries are manufactured with top quality cells using the most up-to-date technology to ensure a long lasting charge with no memory effect;

6.Our batteries are brand new,they are not original and they are 100% OEM compatible

7.Works and charges the same as the original battery;

8.All of our batteries are featured with stable circuit protection,over charging protection,over heat protection and short circuit protection;

9.Comes with 12 months manufacturer warranty;

10.  abundant inventory ;

11.  bulk purchase , favorable prices;

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