Rechargeable high temperature lithium-ion battery VL 32600-125 Cylindrical, D-sized spiral cell Reusable up to 200 times in demanding >100°C environments. More than 1000 typical oil drilling surveys up to 125°C. Saft always supplies VL cells in assemblies or as customized battery system constructions Benefits lMore than 1 month life duration in operation: floating, pulse discharge at 125°C lAbility to perform safely and reliably with severe vibration/ shock constraints lAttractive cycle life lEasy integration within multi-cell tubular cylindrical packs lHigh savings on operation costs Cell size references R20 – D Electrical characteristics Nominal voltage (0.9 A rate at 125°C) 3.6 V Nominal capacity (under 0.9 A at + 125°C with 2.5 V cut-off. The capacity restored by the cell varies according to current drain, temperature and cut-off) Nominal energy 4.5 Ah 16.2 Wh Cycle life (C/5 rate, between 2.5 and 4.1 V) - (100 % DOD) 70 % original capacity still restored after: (Cycle life depends on the using conditions, consult Saft) 30 cycles at 125°C 45 cycles at 115°C 300 cycles at 80°C Key features Cycle life with partial DOD (C/5 rate, below 4 V) - (25 % DOD) 70 % original capacity still restored after: 200 cycles at 125°C l Sturdy and pressure resistant stainless steel envelope l Hermetic and corrosion-proof glass-to-metal sealing l Redundant safety features l Withstanding very high level of vibrations and shocks lNon-restricted for transport/ Non-assigned to Class 9 according to the UN Recommendations on the transport of dangerous goods Model Regulations Physical characteristics (unsleeved cells) Main applications Pulse discharge current l Oil drilling and all downhole high temperature environments l Measure While Drilling (MWD) l Oil and gas well monitoring l Heat sterilizable applications January 2010 Diameter (max) 32.05 mm (1.262 in) Height (max) 61.85 mm (2.435 in) Typical weight 139 g (4.90 oz) Lithium equivalent content approx. 1.35 g Operating conditions Charge method Maximum charge voltage Recommended charge voltage range at 125°C Maximum recommended charge current Charge temperature range Maximum continuous discharge current Discharge temperature range Consult Saft for available and customized battery packs Constant Current/Constant Voltage 4.10 +/– 0.05 V 3.8 V to 4.0 V 0.9 A (C/5 rate) at 20°C to 125°C 0/125°C 2.3 A (C/2 rate) up to 3.4 A for 2 seconds 0/125°C VL 32600-125 Typicaldischarge discharge curve underunder C/5 rate (900rate mA) at(900 +125°C Typical curve C/5 mA) 4.2 4.0 Battery assembly Cell voltage (V) Cell voltage (V) 3.8 In order to operate properly, individual Li-ion cells are mechanically and electrically integrated in battery assemblies specific to each application. The battery assembly incorporates electronics for performance, thermal and safety management. 3.6 3.4 3.2 3.0 0ºC (after 20ºC charge) 2.8 2.6 20ºC (after 20ºC charge) 115ºC (after 115ºC charge) 80ºC (after 80ºC charge) 125ºC (after 125ºC charge) 2.4 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 Capacity (Ah) Capacity (Ah) 61.5 ± 0.35 Restored capacities during cycling 2.5/4.1 V discharge 960 during mA (C/5 temperature Restored capacities cycling rate) 2.5/4.1versus V at +125°C and +110°C 5.0 115°C 4.8 to withstand in the entire operating temperature range 750 G peak/0.5 msec repetitive shocks on axial and radial axes (undischarged and partially discharged cells) lAbility to withstand in the entire operating temperature range 20 GRMS random vibrations 2 to 4 hours along X, Y and Z axis < 30 Hz @ ≥6dB/octave 30-80 Hz @ 3dB/octave 80-300 Hz @ 0dB/octave 300-1000 Hz @ -3dB/octave lAbility to withstand in the entire operating temperature range 1 hour of linear sine sweep at 30 G peak, from 30 to 2000 Hz along X, Y and Z axis Storage lIt is recommended to maintain the storage area clean, ventilated and preferably not exceeding 30°C Warning lFire, explosion and burn hazard lDo not short circuit, crush, disassemble, heat above 140°C (284°F), incinerate, or expose contents to water Capacity (Ah) lAbility 4.4 4.2 125°C 4.0 3.8 3.6 3.4 3.2 3.0 0 10 20 30 4.0 3.8 3.6 3.4 Cycling at 4 V 3.2 3.0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 Saft Specialty Battery Group www.saftbatteries.com 60 20 min charge at 4.00 V Discharge (250 mA / 10.5 s + 1.25 A / 1.5 s)voltage during 6 min + 250 / 2 min Down-hole mission profile: end discharge versus cyclemA number Cycle number number Cycle 313, Crescent Street Valdese, NC 28690 - USA Tel.:+1 (828) 874 41 11 Fax:+1 (828) 879 39 81 50 Down-hole mission profile: end discharge voltage versus cycle number 0 12, rue Sadi Carnot 93170 Bagnolet - France Tel.:+33 (0)1 49 93 19 18 Fax:+33 (0)1 49 93 19 69 40 Cycle number number Cycle End discharge voltage (V) Shocks and vibrations End discharge voltage (V) Ø 31.9 ± 0.15 Dimensions in mm. Capacity (Ah) 4.6 Doc. No 54074-2-0110 Information in this document is subject to change without notice and becomes contractual only after written confirmation by Saft. Published by the Communications Department. Photo credit: Saft. Société anonyme au capital de 31 944 000€ RCS Bobigny B 383 703 873 Produced by Arthur Associates Limited.