Tecmate ‎TM-251 download instruction manual pdf Safe for long-term battery maintenance. Shock Spring C=0.359N/mm. In Stock. Shock Spring C=0.359N/mm. ARRMA - ARA330821. Write a Review. $6.99. RC Club points earned on this item shown at checkout Optima Charger OptiMate 7 Select, TM251, 9-step 12V 10A Sealed Battery Saving Charger Tecmate Pro OptiMATE 7 Select, the 'PRO choice' performance charger that will get the full potential out of your high performance 12V spiral cell / sealed starter or deep cycle high batteries and with steady power option when diagnosing / troubleshooting - The performance vehicle owner’s choice! Select 14. 4V or 14. 7V to match the specified charge voltage for your 12V battery, then connect to battery and the charger does the rest. OptiMATE 7 SELECT, TM-251, 9-step 12V 10A sealed battey saving chage & maintaine OptiMATE 7 Select, the 'PO choice' pefomance chage that will get the full potential out of you high pefomance 12V spial cell / sealed state o deep cycle high batteies and with steady powe option when diagnosing / toubleshooting - The pefomance... SAFE: No risk of overcharging. The world’s most advanced SELECTABLE battery charger for starter/deep cycle batteries, including Odyssey & Optima! Saves 'dead flat' sulphated batteries from as low as 0. 5V - The most advanced recovery program! Program Steps - STEP 1: Selection STEP 2: Low Volt Start (0. 5V). OptiMate 7 Select comes with a POWER SUPPLY mode for vehicle memory settings & more! Ampmatic charge control adjusts current to match battery size - Small battery gets less, large battery gets more! Automatic shut-down if short-circuited or battery disconnected. 3-year limited replacement .